仁爱科普版九年级上册Topic 1 Pollution has causes too many problems.精品达标测试

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Sectin A
【学习目标】
By the end f the lessn, students shuld be able t:
1.掌握本课的重点词汇和短语，巩固一般过去时和现在完成时的用法和区别。
Wrds and phrases: bee, butterfly, mess, shame, several, pllute, waste, villager, destry, cut dwn, gdness, pur, see sb./sth. d sth., see sb./sth. ding sth., cut dwn, my gdness
Sentences: What a shame! / What a mess!
The flwers and grass have gne!
What has happened here?
There be sth./sb. ding sth.
There are several factries puring waste water int the stream.
Everything has changed.
Grammar: differences between Simple Past and Present Perfect tense.
2.能够用一般过去时和现在完成时描述过去和现在的变化。
正确使用there be sth./sb. ding sth.来表达“有某人/物正在做某事”。
Difficult pints：
正确使用there be sth./sb. ding sth.来表达“有某人/物正在做某事” 。
区别使用短语see sb./ sth. d sth.和 see sb. / sth. ding sth.。
能正确地以口头和书面形式区别使用一般过去时和现在完成时。
【预习导学】
必备单词、短语和句子
1________________n.蜜蜂
2________________n.蝴蝶；蝶泳
3________________n.肮脏，杂乱；困境
4________________n.羞耻，羞愧=pity
5________________det.&prn.几个，数个= a few
6________________v.倒出；倾泻；不断流出
7________________adj.废弃的n.废料v.浪费
8________________n.村民，乡下人
9________________v.破坏，毁坏
10________________砍倒
11________________v.污染
12________________n.天哪；啊呀
13.bear t d sth. /bear ding sth___________________________
14.__________________________和…几乎一样差
15.___________________________据报道…
16.several hundred / thusand / millin / billin _________________________
17.pur … int…_____________________________
18.Yu culd see bees and butterflies dancing.________________________________
19.The flwers and grass have gne.___________________________________
20.What’s wrse, the factry makes t much nise.____________________________
21.There are several chemical factries puring waste water int the stream.___________________________
22.Everything has changed.______________________________
答案：
1been.蜜蜂
2butterflyn.蝴蝶；蝶泳
3messn.肮脏，杂乱；困境
4shamen.羞耻，羞愧=pity
5severaldet.&prn.几个，数个= a few
6purv.倒出；倾泻；不断流出
7wasteadj.废弃的n.废料v.浪费
8villagern.村民，乡下人
9destryv.破坏，毁坏
10cut dwn砍倒
11pllutev.污染
12gdnessn.天哪；啊呀
13.bear t d sth. /bear ding sth忍受做某事
14.n better than和…几乎一样差
15.It’s reprted that…据报道…
16.several hundred / thusand / millin / billin 几百/千/百万/十亿
17.pur … int…把…倒入…
18.Yu culd see bees and butterflies dancing.你可以看到蜜蜂蝴蝶在飞舞。
19.The flwers and grass have gne.花和草不见了。
20.What’s wrse, the factry makes t much nise.更为糟糕的是，工厂发出太多的噪音。
21.There are several chemical factries puring waste water int the stream.有几家化工厂往小溪排放废水。
22.Everything has changed.一切都改变了。
【探究提升】
1. The flwers and grass have gne!
g在此处是不及物动词，意为“不复存在，不见了，丢失，失窃”
eg. My new bike has gne. I can’t find it. 我的新自行车不见了，我找不到它了。
2. It smells terrible.
系动词的分类
(1)表示状态的系动词
be; feel; smell; sund; taste; seem; appear; lk; keep; remain; stay; stand
(2) 表示转变或结果的系动词
becme; turn; grw; fall; get; g; cme
3. Lk, there are several chemical factries puring waste water int the stream.
(1) There be + sth./sb. ding sth. 为固定句型，意为“有某人或某物正在做某事”
(2) puring ... int把…倒入
(3) waste adj. 废弃的，无用的
n. 浪费，废弃物
v. 浪费
【体系构建】
Unit 2 Saving the Earth
Tpic 1 Pllutin has caused t many prblems.
Sectin A
1. pur…int… 把……倒入……
e.g. Please pur the sugar int a cup.
2. see sb. ding：看见某人正在做某事
3. There be sb. / sth. ding sth. ：有某人或某物正在做什么
4. … have / has gne. ……消失了。(=…have / has disappeared.)
5. What has happened? 发生了什么事？
6. Everything has changed. 一切都已经改变。
【强化训练】
一、用所给单词适当形式填空
1．The air (pllute) is very serius.
2．Oh, my gd! The kids are making great nise in the rm and utside it (pur).
3．Everything has (change) in their city.
4．It’s very (shame) f him t shw ff.
5．The teacher said that we were （waste）time.
6．My key has (g).
7．Oh, my （gd）. I can hardly believe my eyes.
8．The enemy bmbs caused death and (destry) lts f huses.
9．Bees and are attracted by the beautiful flwers in the garden. (butterfly)
10．Dn’t (waste) time. Yu shuld wrk hard at yur lessns.
二、单项选择
11．When the huse is n fire, it is very imprtant t ________ befre yu call fr help.
A．calm dwnB．cut dwnC．write dwnD．fall dwn
12．I’m very lucky because my hbby has brught me ________ and success.
A．trustB．shameC．trubleD．pleasure
13．— Can I take my mbile phne t schl, mm? I prmise I will turn if ff in class.
— _______! It is nt allwed. Yu knw the schl rules, Betty.
A．N wayB．Here it isC．That’s a shameD．It’s amazing
14．With the develpment f science, machines are invented t test whether a man is telling the _______.
A．truthB．messC．trustD．/
15．The next thing he saw was smke________ frm behind the huse.
A．rseB．risingC．t riseD．risen
16．—Dn’t ________ water. We must save every drp f it.
—Srry, I wn’t d it again.
A．wasteB．thrwC．playD．leave
17．—I’m srry I can’t g shpping with yu. I am ill.
—________
A．What a mess!B．What a shame!
C．What a pity!D．B and C
18．Lk! There are sme bys ________ n the playgrund.
A．play ftballB．are playing ftball
C．playing ftballD．plays ftball
19．—When I passed the park, I saw sme students ________ rubbish in it.
—We shuld learn frm them t d smething fr ur envirnment.
A．pick upB．picks upC．picking upD．t pick up
20．—What are yu lking fr, Michael?
—My cusin’s MP3 player. It ________ right here just nw and nw it’s ________!
A．has been; gneB．was; gneC．was; gingD．is; ging
三、完形填空
根据短文内容，从A、B、C、D四个选项中选择一个最佳答案。
There are deserts(沙漠) all ver the wrld. They can be fund in Africa, China, Suth America, and Nrth America. In sme places, deserts are grwing. This is a serius prblem 21 deserts destry(摧毁) farms and land where animals live. When peple cannt grw fd r find animals t eat, they have t leave 22 hmes.
Smetimes, nature can cause deserts t spread. Wind can mve sand away frm the desert and nt 23 land. When there is n rain 24 a lng time, plants die and deserts grw.
Humans can als cause deserts t grw. And it 25 in many way. One way is when peple cause t much air 26 , it can make an area htter. Htter weather can reduce the amunt f rain as well. T many peple in ne area can als 27 the land.
Besides,having many animals can be harmful t the land. When large animals like cws walk n the earth t much, they turn it int dust(灰尘). The wind 28 blws the dust away. Trees help hld water in the grund. When peple cut dwn t many 29 , less water stay in the grund, and the earth is destryed.
All f these things can speed up desserts. T stp deserts frm grwing, peple must 30 ways t treat the land better.
21．A．becauseB．ifC．thughD．when
22．A．herB．hisC．urD．their
23．A．awfulB．usefulC．carefulD．harmful
24．A．fB．frC．inD．with
25．A．arrivesB．meansC．happensD．takes
26．A．pllutinB．psitinC．ppulatinD．prject
27．A．valueB．changeC．getD．create
28．A．badlyB．busilyC．easilyD．certainly
29．A．flwersB．smkeC．treesD．rivers
30．A．deal withB．wrry abutC．lk likeD．think f
四、阅读理解
A
The earth is abut 4,600 millin years ld. Mdern man has lived n the earth fr nly 35,000 years, but during that time, we have changed ur planet in many ways. Many f the things that we have dne are gd, but mre are nt gd fr the earth.
Water Pllutin
A lt f peple, birds and fish die each day because f water pllutin. Factries have plluted the land and the water. As a result, many rivers and lakes are nw dead.
Air Pllutin
In big cities, factries, as well as cars, trucks and buses are the main causes f air pllutin. Many peple in cities nw have serius health prblems. Fr example, Mexic city used t be a beautiful sunny capital, but tday it is always cvered by thick brwn cluds.
Sil Pllutin
In rder t have a gd harvest, mst f the farmers use chemicals t much in their fields. That’s bad fr the sil. But this kind f pllutin is difficult t stp.
Hpe Fr The Future
These prblems are very serius fr ur future, s all f us shuld d smething t imprve ur envirnment. If we can stp pllutin, ur planet will becme mre and mre beautiful and ur health will be better. Let’s be greener peple!
根据短文内容，选择正确答案。
31．_____ have made the earth change a lt.
A．Human beingsB．Animals
C．PlantsD．Peple in ther planets
32．There are _____ kinds f pllutin in this passage.
A．twB．threeC．furD．five
33．_____ is a big prblem nw.
A．Pllutin.B．Ppulatin.C．EducatinD．Medical treatment
34．Which sentence is NOT true accrding t the passage?
A．Mst f the things that we have dne are gd fr ur planet.
B．We must stp the factries frm puring waste water int the rivers and lakes.
C．Because f water pllutin, many rivers and lakes are nw dead.
D．Water pllutin is very serius nwadays.
35．Which sentence is TRUE?
A．Thugh Mexic city is always cvered by thick brwn cluds, it’s still a beautiful sunny capital.
B．Air pllutin can make peple sick.
C．Nw fewer farmers use chemicals in the fields.
D．Factries, cars, trucks and buses are the main causes f sil pllutin.
B
Is the whale the wrld's largest fish? N. It lks like a fish, but it is really a mammal（哺乳动物）. Then what's the wrld's largest fish? It's the whale shark（鲸鲨）.
Althugh the whale shark is ur biggest fish and lives in many ceans（海洋）arund the wrld, few peple have ever heard f it. Scientists have nt been studying whale sharks fr very lng. Much mre needs t be learned abut them.
A whale shark is smetimes called a “gentle giant（温柔的巨人）”. It likes t be alne and desn't care a bit abut divers r humans. The biggest whale shark weighed 24,250 punds and was nearly 40 feet lng. This makes it heavier and lnger than a schl bus.
Inside its huge muth are great numbers f very small teeth. T cunt all f them, yu'll need t d sme math. The whale shark's teeth are arranged in rws. There are between eleven and thirteen rws n each jaw（颚）and arund three hundred teeth in each rw.
Hwever, the whale shark rarely uses its teeth. It des nt chew r bite its fd. Large amunts f water are pulled int its muth and then pushed ut thrugh its gills（鳃）.
Fr a few mnths every year, a grup f whale sharks cmes t Ningal Reef, ff Western Australia. This gives scientists a wnderful chance t study the large fish. Whale sharks d live in ther ceans f the wrld, but n ne knws their ppulatin. It is pssible that ur biggest fish may need prtecting. It is ne f the reasns why scientists cntinue t learn all they can abut these gentle giants.
根据材料内容选择最佳答案。
36．Little is knwn abut whale sharks because scientists____________.
A．are nt interested in learning abut themB．find them t difficult t catch
C．d nt knw the best places t find themD．have studied them fr a shrt time
37．Which sentence can tell us that whale sharks are gentle?
A．They have large muths.B．They leave divers alne.
C．They have small eyes.D．They live in many ceans.
38．Hw des the writer help us knw what the whale shark's muth lks like?
A．By giving reasns.B．By describing clrs.
C．By cmparing sizes.D．By using numbers.
39．The fifth paragraph is mainly abut____________.
A．hw a whale shark eatsB．what a whale shark eats
C．hw different fish use their gillsD．what's inside a whale shark's muth
40．Which f the fllwing is the best title fr the article?
A．Gentle GiantsB．The Diary f a Sailr
C．The Largest AnimalD．My Life n the Sea
五、短文选词填空
用方框内所给单词的适当形式完成短文填空。
A cuple (夫妇) have travelled arund the wrld in 297 days—withut 41 any planes. Tm Fewins and Lara Lckwd 42 78 buses, 61 trains, 34 cars, 18 bats, 6 bicycles, and even 1 elephant. They wanted t prve (证明) that turists can still be well travelled withut damaging the 43 . They aimed t prduce 44 than 3,000 kg f carbn dixide (二氧化碳), cmpared 45 six times that amunt if they had gne by plane.
They spent ten mnths 46 44,609 miles thrugh 18 cuntries n land and sea. The cuple’s wrld tur began in June 2008 with a tw-hur bus jurney t Lndn frm their hme in Oxfrdshire. They tk the train t Eurstar, Brussels and then caught a bus t Hamburg 47 ging t Cpenhagen. The cuple even 48 n an elephant fr 15 miles 49 the Chinese part f the Mekng River (湄公河).
The cuple hped t write a bk based (以……为基础) n their jurney t teach ther travelers hw t travel 50 damaging the envirnment.
六、补全对话
根据下面对话的情境，在每个空白处填入一个适当的语句，使对话意思完整。
A: 51 I called yu, but yu weren’t in yur ffice.
B: I’ve been t a paper factry near here.
A: What did yu d there?
B: I fund that the factry was puring waste water int the river near it. 52 Lts f fish have died.
A: 53
B: D yu think “Greener China” can d anything?
A: Yes, f curse. 54
B: Gd idea! 55
参考答案：
1．pllutin
【详解】句意：空气污染非常严重。此处应填名词作主语，pllute“污染”，动词，其名词形式为pllutin“污染”，不可数名词，故填pllutin。
2．is puring
【详解】句意：哦，我的天啊！孩子们在房间里大声吵闹，外面正下着倾盆大雨。根据“The kids are making great nise in the rm”以及所给单词提示可知，句子的时态是现在进行时，其谓语动词构成是“be+动词-ing”形式，主语是“it”，因此be动词用is，pur变为“puring”。故填is puring。
3．changed
【详解】句意：他们城市的一切都变了。空前有has，此处动词用过去分词，构成现在完成时的结构，故填changed。
4．shameful
【详解】句意：他炫耀自己是很可耻的。空处作表语，应用形容词形式，故填shameful。
5．wasting
【详解】句意：老师说我们在浪费时间。根据were可知动词应用现在分词修饰构成过去进行时，故填wasting。
6．gne
【详解】句意：我的钥匙不见了。g是动词，根据“My key has”可知句子是现在完成时，动词用过去分词，故填gne。
7．gdness
【详解】句意：天哪。我简直不敢相信我的眼睛。gd是形容词，my是形容词性物主代词，应修饰名词，gd的名词为gdness“善良，上帝”，故填gdness。
8．destryed
【详解】句意：敌人的炸弹造成死亡，摧毁了许多房屋。根据“caused”可知用一般过去时，destry的过去式为destryed。故填destryed。
9．butterflies
【详解】句意：花园里美丽的花朵吸引了蜜蜂和蝴蝶。根据Bees可知空处用名词复数。butterfly名词，“蝴蝶”，butterflies复数形式。 故填butterflies。
10．waste
【详解】句意：不要浪费时间。你应该努力学习功课。本固是祈使句的否定式，“Dn’t”后面接动词原形。动词waste“浪费”。故填waste。
11．A
【详解】句意：当房子着火了，在你求救之前保持冷静是很重要的。
考查动词短语辨析。calm dwn冷静下来；cut dwn砍倒；write dwn写下；fall dwn跌倒。根据“it is very imprtant t … befre yu call fr help”可知，求救之前先保持冷静，故选A。
12．D
【详解】句意：我很幸运，因为我的爱好给我带来了快乐和成功。
考查名词辨析。trust信任；shame羞愧；truble麻烦；pleasure快乐。根据“my hbby has brught success”可知爱好应该是给自己带来快乐，故选D。
13．A
【详解】句意：——妈妈，我可以把手机带到学校去吗？我保证上课时我会把它关机。——不行！这是不被允许的。贝蒂，你知道学校的纪律的。
考查交际用语。N way不行；Here it is给你；That’s a shame真遗憾；It’s amazing太神奇了。根据“It is nt allwed.”可知，学校规定不能带手机，因此应作否定回答N way“不行，没门儿”。故选A。
14．A
【详解】句意：随着科学的发展，机器被发明了出来，用来测试一个人是否在说真话。
考查名词辨析。truth真相；mess混乱；trust信任。tell the truth“说真话”，为固定短语，符合语境。故选A。
15．B
【详解】句意：他看到的下一个东西是从房子后面升起的烟。
考查非谓语动词。rise上升，此处作后置定语，修饰名词smke，被修饰词smke与rise之间是主动关系，因此用现在分词作定语。故选B。
16．A
【详解】句意：——不要浪费水。我们必须节约每一滴水。——对不起，我不会再那么做了。
考查动词辨析。waste浪费；thrw扔；play玩；leave离开。根据“We must save every drp f it.”可知此处指不浪费水资源。故选A。
17．D
【详解】句意：——很抱歉我不能和你一起去购物。我病了。——多么可惜。
考查情景交际。What a mess乱七八糟；What a shame/What a pity!多么可惜。根据“I’m srry I can’t g shpping with yu”可知，听到对方无法一起去购物而感到惋惜，故选D。
18．C
【详解】句意：看！操场上有一些男孩在踢足球。
考查非谓语动词。play ftball踢足球，此处作后置定语，修饰名词bys，被修饰词bys与play ftball之间是主动关系，因此用现在分词。故选C。
19．C
【详解】句意：——当我经过公园的时候，我看见一些学生正在里面捡垃圾。——我们应该向他们学习为我们的环境做点事情。
考查非谓语动词。pick up捡起，动词原形；picks up动词三单；picking up动词现在分词；t pick up动词不定式。“see sb d sth”表示“看见某人做某事”，强调结果；“see sb ding sth”表示“看见某人正在做某事”，强调过程。根据句子语境“When I passed the park…”可知此处强调“正在捡垃圾”，因此用“picking up”，作宾语补足语。故选C。
20．B
【详解】句意：——你在找什么，迈克尔？——我表哥的MP3，它刚才还在这，现在不见了。
考查时态。根据“just nw”可知第一空应用一般过去时态，故填was。根据“nw”可知，它已经丢了，表示对现在的影响，应用现在完成时，空前已经有“has”，第二空应填过去分词gne。故选B。
21．A 22．D 23．B 24．B 25．C 26．A 27．B 28．C 29．C 30．D
【导语】本文主要介绍了沙漠化的问题。
21．句意：这是一个严重的问题，因为沙漠破坏了农场和动物居住的土地。
because因为；if如果；thugh尽管；when当……时候。前后是因果关系，前果后因，故选A。
22．句意：当人们不能种植粮食或找不到动物吃时，他们不得不离开家园。
her她的；his他的；ur我们的；their他们的。此处是指人们的家园，应用their，故选D。
23．句意：风可以把沙子从沙漠吹到有用的土地上。
awful糟糕的；useful有用的；careful认真的；harmful有害的。根据“Smetimes, nature can cause deserts t spread”可知大自然会导致沙漠的蔓延，风可以把沙子从沙漠吹到有用的土地上，慢慢地有用的土地也会变成沙漠，故选B。
24．句意：当长时间不下雨时，植物死亡，沙漠生长。
f……的；fr为了；in在……里面；with和。根据“a lng time”可知此处是“fr+时间段”的结构，故选B。
25．句意：它发生在很多方面。
arrives到达；means意思是；happens发生；takes拿。根据“Humans can als cause deserts t grw.”可知此处是指人类导致沙漠生长发生的情况，故选C。
26．句意：一种方式是，当人们造成过多的空气污染时，它会使一个地区变得更热。
pllutin污染；psitin位置；ppulatin人口；prject项目。根据“peple cause t much air”可知是指空气污染，故选A。
27．句意：一个地区的人太多也会改变土地。
value重视；change改变；get得到；create创造。根据“T many peple in ne area can land.”可知人口过多也会改变土地，故选B。
28．句意：风很容易把灰尘吹走。
badly坏地；busily忙碌地；easily容易地；certainly确定地。根据“The the dust away. ”可知灰尘很轻，所以风可以轻易将其吹走，故选C。
29．句意：当人们砍伐太多的树木时，留在地下的水就少了，地球就被破坏了。
flwers花；smke烟；trees树；rivers河。根据“When peple cut dwn t many ”可知是指砍伐树木，故选C。
30．句意：为了阻止沙漠的发展，人们必须想办法更好地对待土地。
deal with处理；wrry abut担心；lk like看起来像；think f想出。根据“peple t treat the land better.”可知是指想出更好的办法对待土地，阻止沙漠化，故选D。
31．A 32．B 33．A 34．A 35．B
【分析】本文讲述了水污染，空气污染，土壤污染对地球的伤害和对未来的希望。
31．考查细节理解。根据第1段第2句Mdern man has lived n the earth fr nly 35,000 years, but during that time, we have changed ur planet in many ways.（现代人在地球上只生活了35000年，但在这期间，我们在许多方面改变了我们的星球。）可知人类已经使地球改变许多；故选A。
32．考查细节理解。通读全文可知本文讲述了三种污染（第2段至第4段）：水污染，空气污染和土壤污染。故选B。
33．考查主旨理解。本文主要讲述污染的危害，可知污染是现在是个大问题。A.污染B.人口C.教育D.医疗。故选A。
34．考查推理判断。A. Mst f the things that we have dne are gd fr ur planet. 我们所做的大多数事情对我们的星球都有好处。根据第1段最后一句Many f the things that we have dne are gd, but mre are nt gd fr the earth.（我们所做的许多事是好的，但更多的是对地球不好的。）可知A错误；故选A。
35．考查推理判断。B. Air pllutin can make peple sick. 空气污染会使人生病。根据第3段中In big cities, factries, as well as cars, trucks and buses are the main causes f air pllutin. Many peple in cities nw have serius health prblems.（在大城市，工厂以及汽车、卡车和公共汽车是造成空气污染的主要原因。现在许多城市的人都有严重的健康问题。）可知“空气污染会使人生病。”故B正确，选B。
【点睛】初中阅读理解一般考查学生的细节理解能力、主旨理解能力和推理判断能力。做阅读理解题，首先要准确理解题意，然后根据题意和短文内容选出正确的答案。（1）考查细节理解能力，此类型题较简单，学生准确理解题意后，直接到文中找出答案。例如，第1和2题；（2）考查主旨理解。通读全文，概括主要内容，根据主要内容，选出正确答案。例如，第3小题；3）考查推理判断能力，此类题型较难，学生要准确理解题意后，在文中找出相关的内容做出合理的推断。例如，第4和5小题。
36．D 37．B 38．D 39．A 40．A
【分析】本文主要介绍了海洋中的鲸鲨，科学家研究的时间并不长，因此所知道的内容也不多，鲸鲨有时被称为“温和的巨人”。它喜欢独处，一点也不在乎潜水员和人类。
36．细节理解题。根据文章内容“Scientists have nt been studying whale sharks fr very lng.”科学家们研究鲸鲨的时间不长。可知，研究时间短是知道的少的原因，故选D。
37．细节理解题。根据文章内容“It likes t be alne and desn't care a bit abut divers r humans.”它喜欢独处，一点也不在乎潜水员和人类。故选B。
38．推理判断题。根据文章内容“…d sme math. The whale shark's teeth are arranged in rws. There are between eleven and thirteen rws n each jaw（颚）and arund three hundred teeth in each rw. ”可知，作者通过数字，向我们展示了鲸鲨的牙齿，故选D。
39．段落大意题。根据文章内容“Hwever, the whale shark rarely uses its teeth.”可知，本段主要讲述鲸鲨不用它的牙齿吃东西，而用它的鳃，故选A。
40．最佳标题题。本文主要介绍了鲸鲨这一庞然大物，人们称它为温柔的巨人，故选A。
41．taking 42．used 43．envirnment 44．less 45．with 46．traveling/travelling 47．befre 48．rde 49．thrugh 50．withut
【导语】本文主要讲述了一对夫妇环游世界，整个旅行中他们没有乘飞机，他们想要证明旅行者在没有破坏环境的情况下，仍然可以很好地旅行。
41．句意：一对夫妇在297天内环游世界，没有乘坐任何飞机。根据“any planes”以及所给词可知此处指乘飞机，take planes“乘飞机”，介词后加动名词。故填taking。
42．句意：汤姆·费温和劳拉·洛克伍德使用了78辆公共汽车、61列火车、34辆汽车、18艘船、6辆自行车，甚至还有一头大象。根据“78 buses, 61 trains, 34 cars, 18 bats, 6 bicycles, and even 1 elephant”以及所给词可知他们使用了这么多种交通工具，use“使用”，句子用一般过去时，动词用过去式。故填used。
43．句意：他们想证明游客在不破坏环境的情况下仍然可以畅游。根据“withut damaging the ”以及所给词可知是不破坏环境，envirnment“环境”。故填envirnment。
44．句意：他们的目标是产生少于3000公斤的二氧化碳，而如果乘飞机的话，产生的二氧化碳是这个数字的6倍。根据“than 3,000 kg f carbn dixide”以及所给词可知是少于3000公斤的二氧化碳，less than“少于”。故填less。
45．句意：他们的目标是产生少于3000公斤的二氧化碳，而如果乘飞机的话，产生的二氧化碳是这个数字的6倍。根据“cmpared...”以及所给词可知此处指“和……比较”，即cmpare with。故填with。
46．句意：他们花了十个月的时间，在18个国家的陆地和海上旅行了44609英里。根据“44,609 miles”以及所给词可知是旅行了这么远的距离，travel“旅行”，spend time ding sth.“花费时间做某事”。故填traveling/travelling。
47．句意：他们乘火车去布鲁塞尔的欧洲之星，然后乘公共汽车去汉堡，然后再去哥本哈根。根据“then caught a bus t t Cpenhagen”以及所给词可知他们在去哥本哈根之前，去了汉堡，befre“在……之前”。故填befre。
48．句意：这对夫妇甚至骑着大象穿越了湄公河中国段15英里。根据“n an elephant”以及所给词可知是骑着大象，ride“骑”，句子用一般过去时，动词用过去式。故填rde。
49．句意：这对夫妇甚至骑着大象穿越了湄公河中国段15英里。根据“the Chinese part f the Mekng River”以及所给词可知是穿过了湄公河中国段，thrugh“通过”。故填thrugh。
50．句意：这对夫妇希望根据他们的旅程写一本书，教其他旅行者如何在不破坏环境的情况下旅行。根据“hw t the envirnment.”以及所给词可知在没有破坏环境的情况下进行旅行，withut“没有”。故填withut。
51．Where have yu been?
52．The river has becme very dirty.
53．That’s terrible!
54．We can write a reprt abut it t the TV statin and newspapers.
55．Businessmen are afraid f newspapers and TV statin.
【导语】本文是两人就河水污染展开的对话。
51．根据“I’ve been t a paper factry near here.”可知问句询问某人去哪里了，时态是现在完成时。Where引导特殊疑问句。故填Where have yu been?
52．根据“I fund that the factry was puring waste water int the river near it.”可知此处应该描述河被污染的情景，可以表达为“河已经变得非常脏了”，表达过去对现在的影响，用现在完成时，dirty表示“脏的”。故填The river has becme very dirty.
53．根据“Lts f fish have died.”可知此处应该对上述情况发表自己的看法。可以表达为“那太糟了”。故填That’s terrible!
54．根据“D yu think “Greener China” can d anything?”和“Gd idea!”可知此处介绍可以做的具体事宜，可以表达为“我们可以写一篇报道给电视台和报纸”。故填We can write a reprt abut it t the TV statin and newspapers.
55．根据“Gd idea!”可知对对方提出建议，表达看法。可以表达为“商人很害怕报纸和电视台”。故填Businessmen are afraid f newspapers and TV statin.
withut, envirnment, travel, ride, crss, with, thrugh, befre, fr, little, use, take