山东省德州市临邑县2021-2023年中考英语一模试题分类汇编：综合填空

这是一份山东省德州市临邑县2021-2023年中考英语一模试题分类汇编：综合填空，共11页。试卷主要包含了综合填空，短文选词填空等内容，欢迎下载使用。

山东省德州市临邑县
2021-2023年中考英语一模试题分类汇编
综合填空
2023年山东省德州市临邑县中考一模英语试题
四、综合填空(共20空, 每空1. 5分, 计30分)
A
阅读下面的短文, 根据短文内容, 从下面方框内所给11个词中选择10个意义相符的 词, 必要时进行词形变化, 填入空白处, 每空一词。
him one bridge safe with time that when five happy finally
During the Sui Dynasty, a terrible flood (洪水) happened on the Xiao River outside the city of Zhaozhou. The flood brought down a large stone bridge.
People had rebuilt the bridge several(51) _________. But it was still washed away over and over again. After the (52) ________ time that the bridge was destroyed, Li Chun was invited to. solve the problem. “What's wrong with it?”Li Chun asked (53)_________ again and again. He worked day and night at the drawing of the bridge and found out(54)__________ the stone supports(支柱)couldn't stand the force of the flood.
One day, an idea came into his mind! He thought of building bow-shaped arches(拱) instead of stone supports. And there would be only one big arch, supported at each end by two small(55) __________. (56)________ floods came, the. water would run through the four small arches, bringing little influence on the bridge. He was greatly excited by the idea, and danced (57) __________ right at his desk.
A new Zhaozhou Bridge was built. It was much (58)_________ and more beautiful than the old ones. The local people of Zhaozhou were very glad that the problem of the stone bridge was (59) _________ worked out. Now, this great stone bridge (60) __________ a history of over 1,300 years has become a classical example of China's arched bridges. It shows the wisdom and creativity of the Chinese people.
B
阅读下面的短文, 根据短文内容, 从下面方框内所给11个动词中选择10个意义相符的
词, 必要时进行词形变化(可添加助动词或者情态动词), 填入空白处。
sell, wait, take, hurt, point, buy, see, stop, not go, sell, teach
It was nearly nine on a cold winter night. I hurried to go home from work on my motorbike.
At the last crossing, while I (61)_______ for the green light, I saw an old man walking toward me. He (62)__________ me and I felt a little nervous. The old man said slowly, “Excuse me. Could you please help me?”I looked at him up and down. He looked about 70 years old.
The old man took out a 10-yuan bill and said to me, “You see the old lady over there? She (63)________ baked(烤)sweet potatoes. Could you just take the money and buy one from her?”He (64) _________ at an old lady selling something about fifty meters a- way in the corner.
“But why don't you go and buy it yourself?”I was puzzled(迷惑的). The old man continued, “That old lady is my wife and it's her first day to sell baked sweet potatoes.
Just now I called her, and she (65)_________ most of them by now. There is only one sweet potato left and she (66) __________ home until all the sweet potatoes are sold out. But I know she can't stand the cold because her legs (67)_________ . I'm very worried about her. ”
At that time, I understood why the old man asked me (68) _________ his wife's sweet potato. I felt really warm and moved. Without (69)________ the money, I rode to the old lady quickly and bought the last one. As I waved goodbye to the old. man, I (70) _________ him standing there with a thankful smile.

2022年山东省德州市临邑县中考一模英语试题
四、综合填空（共20空, 每空1. 5分, 计30分）
A
阅读下面的短文, 根据短文内容, 从下面方框内所给11个词中选择10个意义相符的词, 必要时进行词形变化, 填入空白处, 每空一词。
million, before, risk, hard, what, good, close, thing, why, from, it
Researchers at an American university are working 51. ______ to create special chewing gum（口香糖）to help re duce the spread of COVID-19.
Experts agree that vaccinations（接种疫苗）are the 52. _________way to fight against COVID-19, but it's also known that vaccinated people can still spread it. So researchers are hoping that their chewing gums will give people a low-cost way to further stop COVID-19 53. _______ spreading.
“This chewing gum is made from plant-grown ACE2 protein. It's a special material to help to neutralize（使无效）the virus in the mouth. In other words, when the virus comes in the mouth, ACE2 protein stops it here, ”Henry Daniel, the leader of the re-search explained. “So, the virus doesn’t reach inside the body and the infection（传染）stops there. ”That’s 54. __________this chewing gum is special.
The research is still in 55. __________early steps, and the researchers are planning to carry out a clinical trial（临床试验）in humans to decide whether the gum is safe or not. If it works, the gum could widely be used when people need to be much 56. _________to each other, such as teeth cleaning by a doctor, t reduce the 57.________ of passing the virus to other.
“We are already using masks（口罩）and other 58. ________to reduce the change of spread. ”Danniell said. “This gum could be used as another tool to win this fight. ”
59. ________researchers bring their chewing gum to market, they have to decide how much of it should be used each day. “If it does prove（证明）to be the most effective tool, 60. ___________of chewing gum could be produced within three months. ”Danniell said.
B
阅读下面的短文, 根据短文内容, 从方框内所给11个动词中选择10个意义相符的词, 必要时进行词形变化（可添加助动词或者情态动词）, 填入空白处。
go, walk, know, take, care, want, stay, play, look, sell, call
It was a cloudy afternoon. The wind is blowing hard and I 61. ________in the park near my neighborhood. I knew it was a-bout to rain. Even so, I didn't want to go home. I had an terrible argument with my mum and ran out of the house just 10 minutes early.
I sat down near a lake. Suddenly, a little girl came towards me with a ball in her hand.
“Shall we play together？”A little girl asked. I agreed.
When it began to rain, all the children at the lakeside went home with their parents. “Where are your parents? You 62. ________home now. ”I asked the girl.
“My mom 63._________ candied fruit（蜜饯）outside the park. She seldom takes care of me. ”the girl explained. “I usually play alone here. It's OK if you need to go home now. I am old enough 64. __________here alone and wait for my mom. ”“But it’s raining, ”I said. “You'd better not be here alone. ”
“It’s no problem. Mom 65.__________ me and take me home if she sells out the can-died fruit. ”the girl replied. “She is my mom, even if she seldom 66. _________for her daughter. ”
In the end, the little girl 67. ____________t her mom by me and then I ran home quickly. Opening the door, my mom was close to tears:"Where have you been? I 68. _______ for you for three hours！See how wet your coat is！ Don't come to my room even if you get a cold tonight！”
But I 69. _________she wasn't angry anymore. After taking a shower, I heard her 70. _ outside my room:"Dinner time! Come out if you feel like eating some fish balls. ”

2021年山东省德州市临邑县中考一模英语试题
三、短文选词填空
阅读下面的短文，根据短文内容，从下面方框内所给11个词中选择10个意义相符的词，必要时进行词形变化，填入空白处，每空一词。
because    hundred    I    who    chance   only   happy   decision   against  based   long

A 14-year-old girl from London wrote to a judge (法官). She explained she wanted to have a ___26___ to “live longer” after getting a cancer (癌症).
She said she decided to get cryonics (人体冷冻), ___27___ she thought in this way she would be brought back to life with the help of future medical advancements (进步). Cryonics sounds like science fiction (小说), but in fact it is ___28___ on modern science. It is an experiment now. Maybe someday, life can be stopped and restarted.
“I am ___29___ 14 years old and I don’t want to die, but I know I am going to die,” she wrote to the judge.
“I think cryonics gives me a chance to be cured and woken up — even in ___30___ of years' time. I want to live and live ___31___ than before and I think in the future scientists may find a cure for my cancer and wake ___32___ up. I want to have this chance. This is my wish”
The girl persuaded (说服) her mother, and her mother was the only person ___33___ agreed with her wish. Her father was ___34___ his daughter’s wish strongly, so she hated her father very much. Do you agree with the teenager’s _____35_____? No matter what result it is, we sincerely wish she never lose hope and be more optimistic. The young girl can get through it with her family’s accompany.

阅读下面的短文，根据短文内容，从下面方框内所给11个动词中选择10个意义相符的词，必要时进行词形变化（可添加助动词或者情态动词），填入空白处。
try   swim   spend   teach   see   wish   return   move   communicate   stay   call

Seven dolphins live at the National Aquarium (水族馆). They ___36___ their whole lives in captivity (囚禁) for five years. But soon, the dolphins ___37___ to a protected space. It is more like a dolphin’s natural habitat (居住地).
Some scientists now believe dolphins can’t ___38___ healthy and happy in aquariums. New research shows that wild dolphins are very active. They are really good at ___39___. In the ocean, they dive down hundreds of feet. They travel up to 100 miles a day. Captive dolphins cannot do these things.
Some animals born in captivity can be placed in the wild. But dolphins usually cannot. A dolphin’s mother ___40___ her baby to hunt and stay safe. Humans can’t teach those lessons. The dolphins will have more freedom. But they will still be protected.
The aquarium ___41___ to find a proper place now but still hasn’t decided where they will live. But it will be connected to the ocean. And it will have plants and other animals. The dolphins will have lots of room to swim. But trainers will still take care of them. Visitors might be able to ___42___ them from far away.
Dolphins make two types of sounds: whistles (鸣叫) and clicks (咔哒声). They use whistles ___43___ with one another. Each dolphin’s whistle is unique. Their clicks create vibrations (振动). The vibrations travel through the water. They bounce off (弹回) objects like plants and animals. Then the vibrations ___44___ to the dolphin. This is how dolphins use sound to “see.” It _____45_____ echolocation (回声定位). Some trips and diving machines are also using echolocation.

答案：
2023年山东省德州市临邑县中考一模英语试题
49．times 50．fifth 51．himself 52．that 53．ones 54．When 55．happily 56．safer 57．finally 58．with

【导语】本文介绍了赵州桥的相关信息。
49．句意：人们已经多次重建这座桥。根据“But it was still washed away over and over again.”及备选词汇可知，这座桥被重建了多次，time意为“次数”，这里用复数形式。故填times。
50．句意：在大桥第五次被毁后，李春被邀请去解决这个问题。根据“time that the bridge was destroyed”及备选词汇可知，这座桥被毁了5次，这次是第五次，需用five的序数词fifth。故填fifth。
51．句意：李春一次又一次地问自己。根据“What’s wrong with it?”及备选词汇可知，这里指李春一次又一次地问自己，需用him的反身代词himself。故填himself。
52．句意：他夜以继日地绘制这座桥的图纸，发现石头支撑物无法承受洪水的力量。根据“found out...the stone supports (支柱) couldn’t stand the force of the flood.”及备选词汇可知，这里应该是that引导的宾语从句。故填that。
53．句意：只有一个大拱门，两端由两个小拱门支撑。根据“And there would be only one big arch,”及备选词汇可知，这里用ones指代上文提到的拱门。故填ones。
54．句意：当洪水来临时，水会流过四个小拱门，对桥梁几乎没有影响。分析句子结构及备选词汇可知，这里应该是由when引导的时间状语从句。故填When。
55．句意：他对这个想法非常兴奋，高兴地在办公桌前跳舞。根据“He was greatly excited by the idea,”及备选词汇可知，这里指他高兴地在办公桌前跳舞。用 happy 的副词 happily修饰动词 danced。故填happily。
56．句意：它比旧的更安全、更漂亮。根据“more beautiful than the old ones.”及备选词汇可知，新的赵州桥比旧的更安全、更漂亮，这里用比较级形式，safe的比较级为safer。故填safer。
57．句意：赵州当地人很高兴石桥的问题终于解决了。根据“the problem of the stone bridge”及备选词汇可知，石桥的问题终于解决了，finally意为“最终、终于”。故填finally。
58．句意：如今，这座拥有1300多年历史的石桥已成为中国拱桥的经典典范。根据“a history of over 1,300 years”及备选词汇可知，这里用介词with表示伴随。故填with。

59．was waiting 60．stopped 61．is selling 62．pointed 63．has sold 64．won’t go/will not go 65．hurt 66．to buy 67．taking 68．saw

【导语】本文讲述了一位老人在一个寒冷的冬夜拦住作者回家的路，想请作者帮他买一个老太太的红薯，后来才知道那是老人的妻子，她想卖完最后一个红薯才回家，老人怕自己的妻子受寒，才让作者去买，作者非常感动，自己买了老太太的红薯。
59．句意：在最后一个十字路口，当我等待绿灯时，我看见一位老人朝我走来。根据前句“At the last crossing,while I...for the green light”可知是在十字路口等红绿灯，wait for表示“等待”，此处时态为过去进行时，主语是I，be动词用was。故填was waiting。
60．句意：他拦住了我，我感到有点紧张。根据“I looked at him up and down. He looked about 70 years old.”可知应是在作者面前停下来，作者才可以上下打量老人，stop表示“停下”，句子是一般过去时，动词用过去式。故填stopped。
61．句意：她在卖烤红薯。根据“selling something”可知她在卖东西，sell“卖”，由语境可知，句子用现在进行时，主语是She，be动词用is。故填is selling。
62．句意：他指着在50米远的角落处卖东西的老妇人。根据“at the old lady...”可知是指着那位老妇人，point“指着”，句子用一般过去时，动词用过去式。故填pointed。
63．句意：刚才我给她打了电话，她现在已经卖掉了大部分。根据“most of them by now”可知是已经卖掉了大部分红薯，描述过去的动作对现在的影响，用现在完成时have/has done，主语是she，助动词用has。故填has sold。
64．句意：只剩下一个红薯了，在红薯全部卖完之前，她不会回家。根据“home until all the sweet potatoes are sold out”以及所给词可知是直到卖完才回家，not...until“直到……才”，遵循主将从现，主句用一般将来时will do，will not=won’t。故填won’t go/will not go。
65．句意：但我知道她受不了寒冷，因为她的腿疼。根据“she can’t stand the cold because her legs”可知她腿疼，所以她可能受不了寒冷，hurt“疼痛”，句子用一般现在时，主语是名词复数，谓语动词用原形。故填hurt。
66．句意：那时，我明白了为什么老人要我买他妻子的红薯。根据“asked me...his wife’s sweet potato”并介绍前文内容可知是买他妻子的红薯，buy“买”，ask sb. to do sth.“让某人做某事”。故填to buy。
67．句意：没有拿钱，我很快骑到老太太那里，买了最后一个。根据“Without...the money”以及所给词可知是没有拿那个老人的钱，take“拿”，介词后加动名词。故填taking。
68．句意：我看到他站在那儿，脸上有感谢的笑容。根据“I...him standing there with a thankful smile”可知此处表示可以看见老人脸上的感激的笑容，see“看见”，句子用一般过去时，动词用过去式。故填saw。

2022年山东省德州市临邑县中考一模英语试题
26．hard    27．best    28．from    29．why    30．its    31．closer    32．risk    33．things    34．Before    35．millions

【导语】本文主要讲述了美国一所大学的研究人员正在研制一种特殊的口香糖，以帮助减少新型冠状病毒的传播。
26．句意：美国一所大学的研究人员正在研制一种特殊的口香糖，以帮助减少新型冠状病毒的传播。结合句子结构和备选词可知，空处应填副词修饰动词“working”，备选词“hard努力地”符合语境。故填hard。
27．句意：专家认同接种疫苗是抗击新冠的最好的方式，但接种的人仍能传播病毒也为众人所知。结合句意和备选词可知，此处指接种疫苗是抗击新冠的最好的方式，空处应填形容词最高级，备选词“good好的”最高级“best最好的”符合语境。故填best。
28．句意：所以研究人员都希望他们的口香糖能带给人们一种低成本的方式去进一步阻止新冠病毒的传播。结合“stop COVID-19...spreading”和备选词可知，此处指阻止新冠病毒传播，考查短语“stop sth. from doing”。故填from。
29．句意：那就是为什么这种口香糖很特别。结合上文“So, the virus doesn’t reach inside the body and the infection (传染) stops there”和备选词可知，此处指口香糖特殊的原因，备选词“why为什么”符合语境。故填why。
30．句意：这个研究仍处于它的早期阶段。结合句子结构和备选词可知，空处可填形容词修饰“early steps”，此处指“研究的早起阶段”，备选词“it它”的形容词性物主代词“its它的”符合语境。故填its。
31．句意：当人们需要离对方更近时，比如医生给病人洗牙，这种口香糖将会被广泛使用，以此减少传播病毒给他人的风险。结合空前“much”和备选词可知，空处应填形容词比较级，备选词“close靠近的”比较级“closer更近的”符合语境。故填closer。
32．句意：当人们需要离对方更近时，比如医生给病人洗牙，这种口香糖将会被广泛使用，以此减少传播病毒给他人的风险。结合句意和备选词可知，此处指减少传播病毒给他人的风险，备选词“risk”“风险”符合语境。故填risk。
33．句意：我们已经使用口罩和其它东西去减少传播的机会。结合“masks (口罩) and other ...”和备选词可知，此处指口罩和其它东西，空处应填名词复数，备选词“thing”“东西”符合语境。故填things。
34．句意：在研究员将他们的口香糖推出市场之前，他们必须决定每天应该使用多少。结合句意和备选词可知，此处指在研究员将他们的口香糖推出市场之前，备选词“before”“在……之前”符合语境，引导时间状语从句，且句首单词首字母应大写。故填Before。
35．句意：如果它真的能被证明是最有效的工具，三个月内将会制造出数百万的口香糖。结合句意和备选词可知，此处数百万的口香糖，备选词“millio”“百万”符合语境，“millions of”“数百万的”。故填millions。

36．was walking    37．was passed
    38．Shall；play    39．is selling
    40．to stay
    41．will call
    42．cares    43．went
    44．have looked
    45．taking


【导语】本文主要讲述了作者与母亲争吵后独自出去，通过与一个小女孩的交流而意识到自己的问题，赶回家后发现妈妈很焦急的样子，最后和妈妈重归于好。
36．句意：那时，我正在附近的公园里散步。根据“At that moment, …in the park near my neighborhood.”可知，我正在附近的公园里散步，walk“散步”，使用过去进行时，主语为I，be动词为was。故填was walking。
37．句意：突然，一个笑容甜美的女孩把球传给了我。根据“a ball…to me by a girl with a sweet smile.”可知，一个女孩把球传给了我，此处主语ball和pass“传球”之间为被动关系，使用被动语态，时态为一般过去时。故填was passed。
38．句意：“我们一起玩好吗？”一个小女孩说。根据“a ball…to me by a girl with a sweet smile.”和“…we … together?”可知，此处这个女孩把球传给了我，问我要不要一起玩，play“玩”，根据本题说明可知可添加助动词或者情态动词，故此处需要添加情态动词Shall，主语后使用动词原形。故填Shall；play。
39．句意：我妈妈在公园外卖蜜饯。根据“My mom…candied fruit (蜜饯) outside the park. She seldom takes care of me”可知，此处描述正在发生的动作，使用现在进行时，主语为单数名词，be动词为is。故填is selling。
40．句意：我已经长大了，可以待在这里等我妈妈了。根据“I am old enough…here and wait for my mom.”可知，此处指可以待在这里等我妈妈了，stay“待”，be adj enough to do sth“足够……做某事”。故填to stay。
41．句意：如果妈妈卖光了蜜饯，她会来叫我，然后带我回家。根据“Mom…me and take me home if she sell out the candied fruit.”可知，此处指妈妈卖光了蜜饯会来叫我，call“叫”，if引导的条件状语从句，主句使用一般将来时，结构为will do。故填will call。
42．句意：她是我的妈妈，即使她很少照顾她的女儿。根据“She is my mom, even if she seldom…for her daughter.”可知，care for“照顾”，此处为一般现在时，主语是she，使用动词三单。故填cares。
43．句意：最后，我带着小女孩去找她妈妈，然后很快就回家了。根据“In the end, I took the little girl to her mom and then…home quickly. Opening the door, my mom was close to tears”可知，我很快就回家了，时态为一般过去时，动词使用过去式。故填went。
44．句意：我找了你三个小时了！根据“I…for you for three hours!”可知，look for“寻找”，此处使用现在完成时，主语为I，助动词为have。故填have looked。
45．句意：洗完澡后，我听到她在我房间外喊道：“吃饭时间到了！如果你想吃鱼丸，就出来。”根据“After…a shower”可知，take a shower“洗澡”，介词后跟动名词。故填taking。

2021年山东省德州市临邑县中考一模英语试题
26．chance    27．because    28．based    29．only    30．hundreds    31．longer    32．me    33．who    34．against    35．decision

【分析】本文是一篇记叙文。主要讲了一个14岁的女孩得了癌症，她写信给法官希望她可以进行人体冷冻，在未来某一天醒过来。
26．句意：她解释说她得了癌症之后，想要一个能“活得更久”的机会。根据句中“after getting a cancer (癌症).”可知，空处应是chance，机会，可数名词；因之前有不定冠词a修饰，应用单数形式。故填chance。
27．句意：她说她决定采用人体冷冻法，因为她认为这样，在未来医学进步的帮助下，她会复活。分析前后句句意可知，空处的词是引导原因状语从句，应用because，因为。故填because。
28．句意：人体冷冻听起来像科幻小说，但实际上它是基于现代科学。be based on，基于、以……为基础，固定短语。故填based。
29．句意：我才14岁我不想死。根据后句“and I don't want to die,”可知，空处应是only，才、仅仅，副词。故填only。
30．句意：我认为人体冷冻给了我治愈和苏醒的机会，即使是在几百年后。hundreds of，数百个，固定用法。故填hundreds。
31．句意：我想活得更久，我想未来科学家可能会找到治愈我癌症的方法，让我清醒过来。根据空前live和空后than可知，空处应用long的比较级形式longer，更长。故填longer。
32．句意：我想活得更久，我想未来科学家可能会找到治愈我癌症的方法，让我清醒过来。空处的词是动词之后，应用宾格代词；结合主语“I”可知，空处应用me，我。故填me。
33．句意：她母亲是唯一同意她愿望的人。根据句子结构可知，空处的词是引导定语从句，且先行词“the only person”是人，故应用who，在从句中作主语。故填who。
34．句意：她的父亲强烈反对女儿的意愿，所以她非常恨她的父亲。根据后句“so she hated her father very much.”可推知，空处应是against，反对，介词。故填against。
35．句意：你同意这个青少年的决定吗？空处的词在名词所有格之后，应是名词；结合前文“She said she decided to get cryonics (人体冷冻),”可知，空处应是decision，决定。故填decision。

36．have spent    37．will move##will be moved    38．stay    39．swimming    40．teaches    41．is trying    42．see    43．to communicate    44．return    45．is called

【分析】本文是一篇记叙文。本文主要介绍了水族馆想把圈禁了五年的七个海豚搬到一个海豚的自然栖息地的事情。
36．句意：它们的一生都被囚禁了五年。分析题干可知此处缺少谓语动词，根据“ for five years”可知用现在完成时，结合语境和备选词汇可知“spend花费，度过”符合语境，又因为主语是“they”，所以填have spent。故填have spent。
37．句意：但是不久，这些海豚将会被搬到一个受保护的区域。分析题干可知此处缺少谓语动词，根据“soon”可以用一般将来时，结合语境和备选词汇可知“move移动”符合情景，又因为主语“ the dolphins”和“move”是可以是主动关系也可以是被动关系，因此此处用主动语态will move或一般将来时的被动语态will be move都可以。故填will move/will be moved。
38．句意：现在一些科学家相信海豚在水族馆里不能保持健康和开心。分析题干可知此处是缺少系动词，结合语境和备选词汇可知“stay保持”符合语境，又因为can’t后加动词原形。故填stay。
39．句意：它们真的很擅长游泳。根据“In the ocean, they dive down hundreds of feet. They travel up to 100 miles a day.”可知，它们可以潜水数百米一天可以游100英里，可推测出它们擅长游泳，备选词汇“swim游泳”符合语境，又因为at是介词，后加动名词。故填swimming.
40．句意：海豚妈妈可以教它的宝宝狩猎和保持安全。根据“Humans can't teach those lessons.”可知，此处海豚妈妈应是教它的宝宝，备选词汇“teach教”符合语境，此处强调的是客观事实，应用一般现在时，又因主语是“A dolphin's mother”单数，所以要变单三。故填teaches。
41．句意：现在水族馆正在尽力去寻找一个合适的地点，但是还没有决定它们住在哪里。分析题干可知此处缺少谓语动词，根据“ but still hasn't decided where they will live.”可知，还没有决定它们住在哪里，可推测出正在努力寻找，备选词汇“try尽力”构成固定搭配try to do sth“尽力做某事”符合情景，又根据句中时间状语“now”可知，要用现在进行时，主语是“The aquarium”可数名词单数，所以用is trying。故填is trying。
42．句意：游客可能有能力从远处看它们。根据固定搭配be able to do sth“有能力做某事”可知，此处缺少动词原形，结合语境和备选词汇可知“see看”符合情景。故填see。
43．句意：它们用鸣叫和对方交流。根据下文描述可知，“咔哒声”的作用是让海豚去“看”，可推测出此处应是描述“鸣叫”的作用，结合语境和备选词汇可知“communicate交流”符合情景，又因为固定搭配：use ... to do sth. 用……做某事，所以此处要用动词不定式。故填to communicate。
44．句意：然后这些震动又回到了海豚身上。根据“. They bounce off (弹回) objects like plants and animals.”可知，震动会被植物或是动物反弹，可推测出震动又回到海豚身上了，备选词汇“return”符合情景，此处强调客观真理，用一般现在时，主语是“vibrations”可数名词复数。故填return。
45．句意：它被叫做回声定位。分析题干可知此处缺少谓语动词，时态是一般现在时，根据上文可知此空前It指代的是前文通过回声去“看”这件事，结合语境和备选词汇可知call“叫”符合情景，分析题干可知主语It和call是动宾关系，所以要用一般现在时的被动语态。故填is called。