天津市2025届九年级上学期第一次月考英语试卷(含答案)

这是一份天津市2025届九年级上学期第一次月考英语试卷(含答案)，共15页。试卷主要包含了单选题，阅读理解，完形填空，短文填空题，翻译题，写作题等内容，欢迎下载使用。

一、单选题
1．We are ging t have _____picnic at _____tp f the hill tmrrw.
A.the;anB.a;theC.an;the D.a;/
2．I was very _____t hear the _____news that I wn first prize.
A.excited;exciting B.exciting;excited
C.excite;excitedD.exciting;excite
3．Jack was brn in 2004 and he ____in his hme twn since then.
A.livesB.has livedC.was livingD.will live
4．—I dn’t think we students shuld use mblie phnes at schl.
—________.They really have a bad influence n ur study.
A.I agree with yu.B. Nt at all.
C.N peblem.D.It’s my pleasure.
5．—Oh, it’s 9 pm.I have t g nw.
—It’s raining heavily utside. Yu’d better wait _____the rain stps.
A.afterB.untilC.sinceD.while
6．It was time fr supper. Mum asked me t _____fr dinner.
A.lay the tableB.be angryC.be wrriedD.take a vacatin
7．When I went t say gdbye t Anna, she ____the pian.
A.is playingB.playsC.was playingD.played
8．I was ding the kichen at that time______I didn’t hear it.
A.but B.sC.becauseD.r
9．Once, the dctr wrked fr sixty-nine hurs withut stpping and managed ____ver a hundred lives.
A.t savingB. savingC.saveD.t save
10．_____,China in the Classics is a gd TV prgramme beacuse I can learn a lt frm it.
A.At firstB.In the futureC.In my pininD.As a result
11．In the wrld____peple like playing ftball.
A. millin fB.millins fC.tw millins fD.tw millins
12．—Culd yu tell me ________?
—It’s abut 6,300 kilmetres lng.
A. hw wide is the Changjiang RiverB. hw wide the Changjiang River is
C. hw lng is the Changjiang RiverD. hw lng the Changjiang River is
13．There are many big trees n ____sides f the streets.
A.allB.neitherC.eachD.bth
14．It’s _____lunchtime.Let’s g t that new restaurant.
A.hardlyB.nearlyC.reallyD.especially
15．My cusin______ his wn cmpany at the age f 25. He is successful.
A.treatedB.failedC.repairedD.fund
二、阅读理解
The Great Wall f China，the lngest wall in the wrld,runs acrss Nrth China like a huge dragn. It winds its way frm west t east, acrss deserts, ver muntains,thrugh valleys,till at last it reaches the sea.
The Great Wall has a histry f ver twenty centuries. Peple in China called it“The Ten-thusand-li Great Wal1”. Actually it is mre than 21,000 kilmetres lng,6-7 metres high and 4-5 metres wide. In mst places it is wide enugh fr five hrses r ten men t walk side by side alng the tp.
It was very difficult t build such a great wall ver the wild and distant cuntry withut any mdern machines. Peple used their hands t wrk day by day. Many peple had t wrk n the wall far away frmn their hmes. They lifted earth in baskets, passed bricks frm hand t hand and dragged heavy stnes with rpes ver their shulders.Their living cnditins were terrible. Thusands f men died and were buried under the wall.
After the Peple's Republic f China was funded, the gvernment repaired parts f the Great Wall. On bth sides f it new cities appeared, and deserts became grasslands r frests. The ld Great Wall tk n a new lk.
Tday the Great Wall has becme a place f interest nt nly t the Chinese peple,but als t the peple frm all ver the wrld. Many f them have cme t knw the famus Chinese saying,"He wh des nt reach the Great Wall is nt a true man."
16．The Great Wall f China is like a huge dragn because _________.
A.it is ne f the greatest wnders f the wrld
B. it runs acrss the whle parts f China
C.it is the lngest wall in the wrld and runs acrss Nrth China
D.peple built it accrding t the frm f a dragn
17．Peple f China began t build the Great Wall abut _________ years ag.
A.twentyB.tw hundredC.tw thusandD.tw millin
18．Which f the fllwing is NOT true accrding t the passage?
A.The Great Wall is mre than 21,000 kil-metres lng.
B.The Great Wall is wide fr ten hrses t walkside by side alng the tp.
C.The Great Wal is 6-7 metres high and 4-5metres wide.
D.The Great Wall is called "The Ten-thusand-li Great Wall".
19．Which f the fllwing is the right rder accrding t Paragraph 3?
a.Peple wrked by hand.
b.Thusands f men died.
c. There were n mdern machines.
d.Peple's living cnditins were bad.
A.c,a,d,bB.b,a,c,dC.b,c,d,aD.a,c,d,b
20．What d we knw abut the Great Wall tday?
A.The gvernment repaired all parts f the Great Wall.
B. New deserts appeared n bth sides f the Great Wall.
C. N ne can reach the Great Wall withut mdern machines.
D.The ld Great Wall tk n a new lk and tday the Great Wall has becme a place f interest.
Cinyee Chiu，an artist frm Taiwan, China, is always happy t try smething new. Her amazing wrks wn lts f prizes．Amng them “24 Slar Terms（节气）”is the mst ppular.
Ancient Chinese divided（分开）a year int 24 parts accrding t the changes f the weather.It's the 24 slar terms. But nt everyne knws them well. Cinyee Chiu put the 24 slar terms in pictures t help peple understand them better.
Cinyee turned each slar term int an animal. But these animals are nt just animals.Yu can als find seasnal fruits, vegetables r beautiful flwers n them.
When spring cmes, water gets warm and fish start t swim arund. S Cinyee chse fish as a symbl f Beginning f Spring. Als, she drew spring vegetables，Chinese chives（韭菜）n the back f the fish.
White Dew faIls n abut September 8th.It shws the beginning f the cl autumn.There are clurful leaves and cler nights at this time f year. As the temperature falls,white dew（露珠）is ften seen n the grass and trees at night. Fr White Dew, Cinyee chse a raccn（浣熊）-a small animal with thick hair.She drew white spts（小圆点）n the raccn t shw dew. And she used the dragn fruit t shw the clurs in autumn.
The yung artist really gave the ancient Chinese culture a new lk.
21．The writer gave _________ examples t shw Cinyee's “24 Slar Terms"?
A.fiveB.fur C.three D.tw
22．Why did Cinyee Chiu put the 24 slar terms in pictures?
A. T win lts f prizes.
B. T draw mre animals.
C.T make herself famus.
D.T help peple understand them better.
23．Accrding t the passage, we can't see _________ in Cinyee's Beginning f Spring.
A.a birdB.a fish
C.Chinese chivesD.spring vegetables
24．Frm paragraph 5,we knw that _________.
A.a raccn likes fish
B. Cinyee used white spts t shw dew
C. White Dew shws the end f the autumn
D.Beginning f Spring falls n abut December 8th
25．The writer mainly wants t talk abut _________.
A.why Cinyee made herself knwn
B. wh divided a year int 24 parts
C.hw Cinyee shwed the 24 slar terms
D.what Beginning f Spring and White Dew mean
Peng Shilu was brn in a family f heres in Haifeng, Guangdng in 1925. When he was less than five years ld, his parents died. The yung by was taken care f and prtected by the pr, and he mved between different families and lived a difficult life. The peple's kindness influenced him deeply at his early age.
In 1940, Peng Shilu was taken t Chngqing. Later, with the help f the CPC(中国共产党), he went t study in Yan'an. In 1951, he went abrad t learn chemical engineering. When he cmpleted his studies, he gt an excellent grade.
In 1956, Peng Shilu was asked, "Are yu willing t change yur research field?"
"Of curse, as lng as the mtherland has a need!"
With the strng belief(信念), Peng Shilu began t study nuclear pwer(核能) at nce. In the early 1960s, China's develpment f nuclear submarines(核潜艇) was almst a "blank". Peng Shilu and ther scientists were learning, explring and practicing. In 1970, China's first nuclear submarine was built. In 1974, China became the fifth cuntry in the wrld t have a nuclear submarine.
Peng Shilu wrked very hard. He spent all his life n nuclear pwer. "I have nly dne tw things in my life. One is t build nuclear submarines and the ther is t build nuclear pwer statins," said Peng Shilu.
He died n March 22, 2021, at the age f 96. As a pineer in nuclear pwer, he is remembered by the peple and the cuntry. On March 3, 2022, he was named "Tuching China's Figure f the Year 2021".
26． What influenced Peng Shilu deeply at his early age?
A. The scientists' spirit.B. The peple's kindness.C. The teachers' wrds.
27． Why did Peng Shilu change his research field?
A. The new field was easier.
B. He wanted t be famus.
C. The mtherland had a need.
28． When was China's first nuclear submarine built?
A. In 1970.B. In 1956.C. In 1940.
29． Which f the fllwing best describes Peng Shilu?
A. Hnest and plite.B. Humrus and strict.C. Hardwrking and selfless.
30． What's the best title fr the text?
A.A Pineer in Nuclear Pwer
B. A Suggestin fr Further Study
C. A Study n the Histry f the CPC
“May we all be blessed with lngevity. Thugh miles apart,we are still able t share the beauty f the mn tgether（但愿人长久，千里共婵娟），”wrte Su Shi，a pet during the Sng Dynasty, in his well-knwn pem t his yunger brther Su Zhe.
The mn is ften at its brightest n the 15th day f the eighth mnth f the lunar calendar.On this day,peple celebrate the Mid-Autumn Festival. It has been enjying great ppularity all ver the cuntry.
In ancient China,that day was a harvest （收获）festival because crps（庄稼）were harvested during that perid. It was a time fr relaxatin and celebratin.
Just like Thanksgiving in Western cuntries,families als try t get tgether fr the Mid-Autumn Festival in China. UJsually, n matter hw far away r hw busy they are, peple will try t return hme fr the celebratin.
The Mid-Autumn Festival has its wn special fd just as ther traditinal Chinese hlidays. Peple eat mn cakes with fillings,such as sugar and eggs. The rund shape f the mn cake makes it lk like the full mn.The full mn and mn cakes stand fr family reunin（团聚）.
With the beautiful mn up in the sky,peple sit tgether, enjy the full mn,eat mn cakes and fruit, share the stries,and express the best wishes fr the family members and friends wh live far.
31．In Paragraph One, the pem that Su Shi wrte is fr _________.
32．In ancient China,the Mid-Autumn Festival was a _________ festival.
33．Families all try t get tgether fr _________ in China and _________ in Western cuntries.
34．Bth the full mn and mn cakes stand fr _________.
35．On the Mid-Autumn Festival, peple usually enjy the full mn when it is _________ in the sky.
三、完形填空
Munt Tai is a very imprtant muntain in eastern China. It is lcated in the nrth f Tai'an City in Shandng Prvince. It is famus fr its 1 beauty.
Mre than tw mnths ag, I climbed Munt Tai t see the sunrise with a few friends.The sunrise f Munt Tai is ne f its fur 2 .We had a great 3 there.
We 4 t start at 11 pm s that we culd reach the Suth Gate t Heaven arund 3 am,abut tw hurs befre the sunrise. When we arrived, the weather became very cld. 5 it was still dark, we fund that we were nt alne n the tp f the muntain. Munt Tai is very 6 with Chinese turists! At nearly 4 am, a thick fg cvered the tp f the muntain.Abut an hur later, luckily enugh, the thick fg began t 7 .
Then the sun began t make its way int the sky.The first rays（光线）f the sun appeared.They 8 frm gray t white, frm white t yellw, frm yellw t range,frm range t purple, and finally frm purple t red. During this time,we all 9 silent. The bright red mrning sun was rising. It gave ff millins f glden rays, strng and shining. Ww, what a wnderful 10 !
36．A.man-madeB.ancientC.naturalD.natinal
37．A.wndersB.canynsC.streamsD.seasns
38．A.habitB.pininC.timeD.friend
39．A.rememberedB.beganC.cntinuedD.decided
40．A.BecauseB.ThughC.AfterD.If
41．A.ppularB.angryC.busyD.careful
42．A.fallB.riseC.clearD.set
43．A.madeB.tkC.putD.turned
44．A.leftB.keptC.gaveD.liked
45．A.sightB.medalC.excuseD.shape
四、短文填空题
46．The Mga Grttes（莫高窟）lie in Dunhuang, Gansu Prvince. They are made up f 735 grttes. Every year hundreds f thusands f ①t_________ frm all ver the wrld visit them.
Last mnth,I was ②l_________ t take a jurney there.Befre entering the grtt area,I ③w_________ tw 20-minute mvies at the visitr's centre.One f them was abut the cnstructin（建造）histry f the Mga Grttes and the ④ _________ prvided a 3D intrductin t sme imprtant grttes. Then I fllwed the guide t visit the dark grttes. It was ⑤l_________ pening a hidden bx with valuable things when the guide pened ne f the ld grttes. The guide ⑥t _________ us the stries f the past frm the statues（雕像）t wall paintings. These stries were fresh and interesting fr me.
Sme wall paintings shw musicians ⑦p _________ pipa and sme shw dancers dancing at was tuched（被感动）deeply by the great artwrks f ⑧a _________ Chinese.The huge statues ⑨s _________ lk slemn（庄严的），althugh sme f their faces have turned black,and sme have lst an arm r tw because f natural weathering（风化）.
It was a wnderful travelling ⑩e _________.I hpe t g there again sme day.
五、翻译题
47．事情进展不顺利时，他鼓励我不要放弃。
When things aren't ging well, he encu-rages me nt t _________.
48．当我出差的时候，你能帮我照顾一下我的猫吗？
Can yu help me _________ my cat while I am n business?
49．不要吵！宝宝已经睡着了。
Dn't make nise! The baby has already _________.
50．Bb于1995年毕业，从那以后他就住在伦敦。
Bb left schl in 1995,and _________ he has lived in Lndn.
51．飞机突然向下倾斜，人们变得担心起来。
The plane _________,and peple became wrried.
六、写作题
52．白鹤滩水电站对实现“西电东送”具有深远意义。你校某英语公众号近期开展以该水电站为主题的征稿活动。假如你是王丽，对此活动很感兴趣。请你根据以下提示内容用英语写一篇短文介绍该水电站，然后积极投稿。
提示：（1）位于中国西南部，水电站的左边是四川省，右边是云南省。
（2）可以发电和防洪。
（3）最大坝高289米，比三峡大坝高108米，是世界第二大水电站。
（4）建于2017年，2021年6月28日开始发电。
参考词汇：Baihetan Hydrpwer Statin 白鹤滩水电站 prevent flding 防洪
要求：（1）语句通顺、意思连贯、语法正确。
（2）包含所有提示要点，可适当发挥。
（3）词数100左右。
【写作指导】
1．人称：第三人称it
2．时态：一般过去时和一般现在时
3．亮点词句：ne f the greatest man-made wnders，in＋the＋方位名词＋f...，nt nly prduce electricity,but als prevent flding,the secnd largest..., millins f...
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
参考答案
1．答案：B
解析：考查冠词辨析。have a picnic野餐，at the tp f在……顶部，均为固定短语。故选B。
2．答案：A
解析： excited 和 exciting均为形容词,前者意为“激动的,兴奋的”,常用于说明人的状态,后者意为“令人激动的,激动人心的”,常用于修饰或说明事物。第一个空格前主语为I(我),应用excited;第二个空格处修饰后面的news(消息)，应用exciting作定语。句意:听到我赢得了一等奖的这个激动人心的消息,我很激动。故选A。
3．答案：B
解析：句意:杰克出生于2004年,从那时起他就一直住在家乡。根据sincethen可知,用现在完成时。
4．答案：A
解析：可用情景交际法解答本题。句意:“我认为学生在学校里不应该用手机。”“我同意你的看法。手机确实对我们的学习有不好的影响。”I agree with yu 意为“我同意你的看法”,符合语境。故选A。
5．答案：B
解析：
6．答案：A
解析：句意:晚餐时间到了。妈妈让我摆放餐桌。lay the table摆放餐桌;be angry 生气;be wrried 担心;take a vacatin度假。根据句意可知,选A.
7．答案：C
解析：根据句中的时间状语从句为When I went t say gdbye t Anna"当我去给安娜说再见时"可知主句的谓语动词强调的是在过去某个时间正在进行和发生的动作，故判断为过去进行时，其结构为was/were+现在分词，根据主语是she，故搭配was，play的现在分词为playing，故填was playing，故选C
8．答案：B
解析：
9．答案：D
解析：考查非谓语动词。句意:有一次,这位医生连续工作了六十九个小时,挽救了一百多条生命。manage t d sth.意为“设法做成某事”,强调结果，后接动词不定式;save意为“拯救”,动词。故选D。
10．答案：C
解析：at first“起初,首先”;in the future“在将来”;in my pinin“在我看来”;as a result“结果”。句意:我认为《典籍里的中国》是一个好的电视节目,因为我能从里面学到很多。故选C。
11．答案：B
解析：考查数次的用法，hundred/thusand /millin/billin均是这一类用法，其前没有具体数字时，应为hundreds/thusands/millins/billins +f，当前有具体数字时，应为数字+hundred/thusand /millin/billin+名词，即使前面数字超过了1，hundred/thusand /millin/billin仍旧用单数．所以B选项是正确的
12．答案：D
解析：考查宾语从句。宾语从句的语序为陈述句语序,排除A、C选项;又根据答语“它大约6300千米长”可知问句询问的是长度,排除B选项。故选D。
13．答案：D
解析：句意:街道两旁有许多高大的树木。all三者或三者以上全都;neither两者都不;each 每个;bth两者都。根据sides f the street可知,此处表示街道的两旁,用bth。
14．答案：B
解析：句意:将近午饭时间了。我们去那家新开的餐厅吧。hardly几乎不;nearly将近,几乎;really事实上;especially 尤其。根据Let's g t that new restaurant.可知,要去餐厅说明马上到午饭时间了。
15．答案：D
解析：treat 对待;fail 失败;repair 修理;fund创建,创办。根据“他是成功的”可知,我表哥在他25岁时创办了自己的公司。故选D。
16．答案：C
解析：细节理解题。题干意为:中国长城像一条巨龙是因为。根据第一段第一句“The Great Wall f China，the lngest wall in the wrld,runs acrss nrth China like a huge dragn.”可知,长城是世界上最长的城墙,像一条巨龙一样横贯华北。故选C。
17．答案：C
解析：细节理解题。题干意为:中国人民大约是在年前修建了长城。根据第二段第一句“The Great Wall has a histry f ver twenty centuries.”可知，长城已经有2000多年的历史了。故选C。
18．答案：B
解析：细节理解题。题干意为:根据文章,下列哪一项是不正确的?根据第二段第四句“In mst places it is wide enugh fr five hrses r ten men t walk side by side alng the tp.”可知,在长城上的大多数地方,它的宽度足以让五匹马或十个人并排走。故选B。
19．答案：A
解析：细节理解题。题干意为:根据文章第三段,下列哪一项是正确的排序?根据第三段第一、二句“It was very difficult t build such a great wall ver wild and distant cuntry withut any mdern machines. Peple used their hands t wrk day by day.”可知,没有现代机器,在荒无人烟、遥远偏僻的土地上建造这样一座巨大的城墙是非常困难的。劳动人民靠他们的双手日复一日地工作着。根据第三段第五、六句“Their living cnditins were terrible. Thusands f men died and were buried under the wall.”可知,他们的生活条件很艰苦,成千上万的人死去，被埋葬在城墙之下。综上,A项是正确的排序。故选A。
20．答案：D
解析：细节理解题。题干意为:对于今天的长城我们了解什么?根据第四段最后一句“The ld Great Wall tk n a new lk”及第五段第一句“Tday the Great Wall has becme a place f interest nt nly t the Chinese peple, but als t the peple frm all ver the wrld.”可知,如今长城已经焕然一新，成了一处名胜古迹。故选D。
21．答案：D
解析：细节理解题。根据第四段“S Cinyee chse fish as a symbl f Beginning f Spring.”和第五段“White Dew falls n abut September 8th. It shws the beginning f the cl autumn”可知，作者例举了“立春”和“白露”两个例子来展示Cinyee的“二十四节气”，故选D。
22．答案：D
解析：细节理解题。根据“Cinyee Chiu put the 24 slar terms in pictures t help peple understand them better.”可知，把二十四节气画成图片，是为了帮助人们更好地理解它们。故选D。
23．答案：A
解析：细节理解题。根据“S Cinyee chse fish as a symbl f Beginning f Spring. Als, she drew spring vegetables, Chinese chives (韭菜) n the back f the fish."可知，Cinyee选择鱼作为立春的象征。她还在鱼背上画上了春天的蔬菜韭菜，所以看不到鸟，故选A。
24．答案：B
解析：细节理解题。根据第五段“She drew white spts (小圆点) n the raccn t shw dew.”可知，Cinyee 在浣熊身上画了白色的斑点来展示露水。故选B。
25．答案：C
解析：主旨大意题。阅读短文可知，作者主要谈论的是 Cinyee 如何用画来展示24个节气的。故选C。
26．答案：B
解析：细节理解题。根据第一段的最后一句"The peple's kindness influenced him deeply at his early age"可知,B项符合题意。
27．答案：C
解析：细节理解题。根据第三段和第四段的内容可知,彭士禄改变自己的研究领域是因为祖国有需要。故选C。
28．答案：A
解析：细节理解题。根据题干中的"China's first nuclear submarine"及"built"可定位到第五段中的"In 1970, Chinas first nuclear submarine was built"。故选A。
29．答案：C
解析：推理判断题。通读全文,尤其是倒数第二段的前两句"Peng Shilu wrked very hard. He spent all his life n nuclear pwer"可知,彭士禄在自己的岗位上兢兢业业,将自己的一生贡献给了祖国的核潜艇事业。由此可推知,他是一个既勤奋又无私的人。故选C。
30．答案：A
解析：标题归纳题。通读全文,尤其是最后一段的第二句可知,本文主要介绍了中国第一艘核潜艇的设计师彭士禄的故事。故A项最适合作本文的标题。
31．答案： his yunger brther SuZhe
解析：
32．答案：harvest
解析：
33．答案：the Mid-Autumn Festival,Thanksgiving
解析：
34．答案：family reunin
解析：
35．答案：up
解析：
36．答案：C
解析：man-made人造的;ancient古老的;natural自然的;natinal国家的。由上文“Munt Tai is a very imprtant muntain in eastern China.”可知,泰山是中国东部一座非常重要的山,它以其美丽的自然景色而闻名,故选 C。
37．答案：A
解析：wnder奇观,奇迹;canyn峡谷;stream 溪流;seasn 季节。由本句主语The sunrise f Munt Tai可知,泰山日出是其四大奇观之一,故选A。
38．答案：C
解析：由下文“Ww, what a wnderful!”可知,作者在爬山时玩得很快乐,have a gd time“玩得快乐”为固定短语,故选C。
39．答案：D
解析：remember记住;begin开始;cntinue继续;decide 决定。由 we culd reach the Suth Gate t Heaven arund 3am可知,作者他们决定在晚上11点出发,这样就可以在凌晨3点左右，也就是日出前大约两个小时到达南天门,故选D。
40．答案：B
解析：because 因为;thugh尽管;after在……以后;if如果。由句意“虽然天还很黑,但是我们发现山顶上并不是只有我们”可知,前后句为让步关系,thugh引导让步状语从句,故选B。
41．答案：A
解析：ppular受欢迎的;angry生气的;busy忙碌的;careful仔细的。由with Chinese turists及we fund that we were nt alne n the tp f the muntain可知,泰山深受中国游客欢迎,故选A。
42．答案：C
解析：fall 落下;rise升起;clear(烟、雾等)消散,散去;set设置。由 luckily enugh及“Then the sun began t make its way int the sky.”可知,幸运的是,大约一个小时后,浓雾开始消散,故选C。
43．答案：D
解析：make使;take带走;put放;turn变成。由frm gray t white可知,光线从灰色变成了白色,故选D。
44．答案：B
解析：由 silent可知,大家在观赏期间都保持安静,故选B。
45．答案：A
解析：sight景象;medal奖牌;excuse借口;shape形状。由上句“It gave ff millins f glden rays, strng and shining.”可知,太阳散发出数百万道金色的光芒,强烈而闪耀,所以景象很壮观,故选A。
46．答案：①turists②lucky③watched④ther⑤like⑥tld⑦playing⑧ancient⑨still⑩experience
解析：
47．答案：give up
解析：固定搭配give up放弃，encurage sb t d sth鼓励某人做某事。故填:give up。
48．答案：lk after
解析：本句是can引导的一般疑问句，can后面跟动词原形，根据题意，需要翻译的部分是照顾，lk after意为照顾，故答案为lk after。
49．答案：fallen asleep
解析：根据题干知:本句为现在完成时态，空缺处缺少"睡着了"，翻译为fall asleep。fall的过去分词形式fallen.故答案为:fallen asleep.
50．答案：since then
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51．答案：fell away
解析：fall away突然向下倾斜，根据and the peple became wrried可知用一般过去时.故答案是fell away.
52．答案：
Baihetan Hydrpwer Statin is in the suthwest f China. It is ne f the greatest man-made wnders in the wrld. T its left is Sichuan Prvince and t its right is Yunnan Prvince. It can nt nly prduce electricity, but als help t prevent flding. Baihetan Hydrpwer Statin is 289 metres high. It is 108 metres higher than the Three Grges Dam. It is the secnd largest hydrpwer statin in the wrld. Peple began t build the statin in 2017. It started t prduce electricity n 28th June 2021. In the future, it will prduce electricity fr millins f peple in China.
解析：