中小学Unit 7 Section B 1a-1e 分层作业(含答案解析)教育教学资料.docx

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基础过关练I
一、英汉互译。
.宇航员 n.
.公寓套房n.
.火箭n.
.太空;空间n.
.有点
.离……远
.太空站
.在10年之后
.计算机程序员
二、根据汉语意思及括号内所给英文提示语，将下列句子翻译成英语。
.他叔叔是一名宇航员,去年在太空站工作。
His uncle is an . He worked on a last year.
.我表姐明年将和她的家人住在公寓里。
My cousin in an with her family next year.
.我们什么时候能驾驶火箭飞往月球？
When will we the moon?
.我们应该多花点时间练习说英语。
We should spend time English.
.你认为杰克5年后会成为什么？
What do you think Jack five years?
.我住在这条街对面的一所公寓里。
I live in the street.
.让机器人像人一样思考是很难的。
It's difficult robots like a human.
三、单项选择
There were many people on the bus this morning. We didn't have to stand in.
A. much space B. many spaces C. a lot space D. many space
一Lisa, do you know woman we met just now?
一Yeah, she is astronaut from Australia.
A. a; the B. the; an C. the; a D. a; an
一Why do you want to buy a(n) now?
一You know my house is too old. I need a new one to live in.
A. car B. apartment
C. farm D. table
The TV program was very and we all got
A. bored; bored B. boring; boring
C. bored; boring D. boring; bored
. The Chinese government is trying to solve the problems between China and other neighboring countries.
一A way is better for all.
A, peaceful ； peaceful B. peaceful ； peacefully
C. peacefully； peaceful D. peacefully； peacefully
四、用适当形式填空。
There is too much homework. It's(possible) for me to finish it in an hour.
I think there is little chance that robots will take the place of(human) in the future.
I want to buy this dress, but I only have three(hundred) yuan.
It's very(danger) to play soccer on the street.
Most students think you are right, but Tom and I(agree) with you.
五、补全对话。
What are you going to be in the future?
1.
That sounds interesting. Maybe you will fly to the moon.
2. But my parents don't agree with me.
A: Why?
B:3.
They are right.
And if I am an astronaut, I will be away from them for a long time.
4. So what do they want you to be?
A doctor.
5.
Maybe, but it's less exciting.
A. That*s true.
I want to be an astronaut.
Well, that's also a good job.
I hope so.
I like reading and writing.
Because they think being an astronaut is
dangerous.
will travel all over the world.
六、语法填空。
What will the future be like? I think the environment will be 1. great danger. Cities will be more
2.(crowd) and polluted. There will be fewer trees.
I think 3.(people) everyday life will be very different in the future. People 4. (live) under the sea. Some special machines will provide(提供)people with oxygen(氧气). There will be no 5.(pollute) in the sea, and people will go on 6.(eat) fish. People will have robots in 7.(they) homes. These robots will help them a lot. So people won't have to work long hours. People won't spend too much time doing housework, 8.. In this way, people will spend more free time doing 9. they like. I also believe that everyone will be able 10.(travel) to the moon. 七、完形填空
How long can human beings live? Most scientists who study old age think that the human body is 1 to live no longer than 120 years. However, 110 years is probably the longest that anyone could hope to live-if he or she is extremely healthy and lucky. Some scientists even say we can live as long as 130 years! Yet, our cells simply cannot continue to reproduce 2. They wear out, and as a result, we get old and eventually die.
Even though we can't live forever, we can live a 3 life than ever before. In 1900,
Americansdiscovered B. chosen
rapidly B. harmlessly
busier B. longer C.
A. finishing B. waiting
A. enjoy B. survive C.
average lifespan was only 47 years, but today it is 75 years! When does old age begin then? Sixty-five may be out-of-date as the 4 line between middle age and old
age. After all, many older people don't begin to experience physical and mental decline until after age 75.
People are living longer because more people 5 childhood. Before modern medicine changed the laws of nature, many children died of common childhood 6.
Now that the chances of dying young are much lower, the chances of living long are much higher due to better diets and health care.
On the whole, our population is getting older. Then our population will have lasting effects on our social 7, development and our way of life. Some people fear such
changes will be for the worse, while some see 8, not disaster. Today, many men and
women in their “golden year" are healthy, still active and young in 9 if not in age.
As our society grows old, we need the
10
of our older citizens. With long
lives ahead of them, they need to stay alive and be devoted.
A.
A.
A.
C. improved D. designed
C. endlessly D. separately richer D. happier
C. guiding D. dividing remember D. value
A. diseases B. fears C. worries D. problems
A. changes B. safety C. increases D. improve
A. dreams B. chances C. choices D. strengths
A. mind B. appearance C. voice D. movement
A. contributions B. protection C. suggestion D. introductions
Unit 7 Section B la-le分层作业答案与详解
一、英汉互译
【答案】
1. astronaut 2. apartment 3. rocket 4. space
5. kind of 6. far from 7. space station 8. in 10 years 9. computer programmer 二、根据汉语意思及括号内所给英文提示语，将下列句子翻译成英语。
【答案】1 .astronaut; space station live; an apartment rockets to ; speaking
be in apartment across 7. to make think
三、单项选择
There were many people on the bus this morning. We didn't have to stand in.
A. much space B. many spaces C. a lot space D. many space
【答案】A
【解析】句意：今天早上公共汽车上有很多人。我们没有多少地方可站。考查名词的数。 a lot许多，相当于副词，不可修饰名词，可排除C项。many和much都表示许多，但前 者修饰复数名词，后者修饰不可数名词。space空间，不可数名词，无复数形式，需用 much修饰；根据句意语境，可知选A。
一Lisa, do you know woman we met just now?
一Yeah, she is astronaut from Australia.
A. a; the B. the; an C. the; a D. a; an
【答案】B
【详解】考查定冠词表特指的用法及a/an的区别。句意：一一丽莎，你认识我们刚才遇 到的那个女人吗? 是的，她是来自澳大利亚的一名宇航员。定语从句we met just now
修饰名词woman,表特指，需用定冠词the；根据句意可知，她是一名宇航员，需用不定 冠词a或an； astronaut以元音/ae/开头，需用不定冠词an。故选B。
一Why do you want to buy a(n) now?
一You know my house is too old. I need a new one to live in.
A. car B. apartment
C. farm D. table
【答案】B
【解析】句意：你为什么现在想买一套公寓？-你知道我的房子太旧了。我需要一个新房 子住。考查词义
从语境判断选B
The TV program was very and we all got
A. bored; bored
B. boring; boring
C. bored; boring D. boring; bored
【答案】D
【解析】句意：电视节目是令人厌烦的，我们都感觉很无聊。
考查形容词辨析。boring令人厌烦的，用来形容物或事情；bored是人感到厌烦的。第一 句主语“The TV program”指物，用boring作表语；第二句主语“we”指人，用bored作表语。 故选D。
The Chinese government is trying to solve the problems between China and other neighboring countries.
一A way is better for all.
A. peaceful； peaceful B. peaceful； peacefully
C. peacefully； peaceful D. peacefully； peacefully
【答案】C
【解析】考查形容词和副词的用法。第一空要用副词peacefully修饰动词solve；第二空 要用形容词peaceful修饰名词way。
四、用适当形式填空。
【答案】1. impossible
【详解】
句意：作业太多了。我不可能在一小时内完成它。possible形容词，可能的；impossible 形容词，不可能的。根据句意可知，本题需要否定含义的形容词，在句中作表语。故填 impossible o
humans
【详解】
句意：我认为未来机器人取代人类的可能性很小。此处是泛指人类，应用复数名词，故 填 humans。
hundred
【详解】
句意：我想买这件衣服，但我只有300元钱。当hundred前有具体的数字时，表示确数, hundred后不力口-s,其后也不用加of；当hundred前没有具体数字时，表示约数，hundred 后加-s,也要加of。这里表示的是"三百”应该是确数，故填hundred。
dangerous
【详解】
句意：在街上踢足球是非常危险的。根据句子结构，可知缺少形容词作表语；danger对 应的形容词为dangerous危险的，故填dangerous0
disagree
【详解】
句意：大多数学生认为你是对的，但汤姆和我不同意你（的观点）。根据句中的转折词 but可知此处是指"不同意"。agree同意，disagree不同意。结合主句时态可知此处用一 般现在时，主语是L谓语动词用原形。故填disagree。
五、补全对话。
【答案】BDFAC
六、语法填空。
【答案】 live travel 七、完形填空
【答案】
.D 6. A 7. A 9. A 10. A
【导语】
本文主要讲述了人的寿命是有限的，随着社会的发展，生活水平的提高，人们的寿 命比以前更长了，而且老龄化已经成了社会的一个趋势，我们的社会需要这些老年人们 继续保持积极的心态，为社会做贡献。
【详解】
.句意：大多数研究老年问题的科学家认为，人体的结构设计决定了人类寿命不超 过 120 岁。discovered 发现；chosen 选择；improved 改善；designed 设计。根据 u However, 110 years is probably the longest that anyone could hope to live一if he or she is extremely healthy and lucky.”可知，人类寿命是不会超过120岁的，因为人体自身的结构设计决定 的。故选D。
.句意：然而，我们的细胞不能继续无限繁殖。
rapidly迅速地；harmlessly无害地；endlessly无穷尽地；separately单独地。根据“They wear out, and as a result, we get old and eventually 可知，细胞不能继续无限繁殖。故 选C。
.句意：尽管我们不能永远活下去，但我们可以活得比以往任何时候都长。
busier更忙碌的；longer更长的；richer更富有的；happier更快乐的。根据“In 1900, AmericansJ average lifespan was only 47 years, but today it is 75 years!"可知，我们现在 比以前寿命更长。故选B。
.句意：65岁作为中年和老年的分界线可能已经过时了。
finishing 完成； waiting 等待；guiding 指导；dividing 分开。根据 "Sixty-five may be out-of-date as the…line between middle age and old age.”可知，此处指中年和老年的分界 线，故选D。
.句意：人们活得更长是因为有更多的人在童年时期存活下来。
enjoy 喜欢；survive 幸存；remember 记得；value 重视。根据"Before modern medicine changed the laws of nature, many children died of common childhood ”可矢口，童年时期彳艮多 儿童会很难幸存下来，所以在童年时期存活下来可以让人们活得更长。故选B。
.句意：在现代医学改变自然规律之前，许多儿童死于常见的儿童疾病。
diseases 疾病；fears 担心；worries 担忧；problems 问题。根据"Before modern medicine changed the laws of nature, many children died of common childhood ”和 " the chances of living long are much higher due to better diets and health care.“可知，过去很多儿童会死于 常见的儿童疾病。故选A。
.句意：然后，我们的人口将对我们的社会变革、发展和生活方式产生持久的影响。
changes 改变，变革；safety 安全;increases 增力口； improve 改善。根据"Some people fear such changes will be for the worse,n 可知，此处指社会变革。故选 A。
.句意：有些人担心这样的变化会变得更糟，而有些人则认为是机遇，而不是灾难。
dreams 梦想；chances 机会；choices 选择；strengths 彳尤势。根据“Some people fear such changes will be for the worse, while some see---, not 可知，while 表转折，此处指 有些人则认为是机遇，而不是灾难。故选B°
.句意：今天，许多处于“黄金期”的男性和女性都很健康，即使在年龄上不是很 年轻，但仍然心思很活跃，很年轻。
mind想法，心思；appearance夕卜表，出现；voice嗓音；movement移动。根据"Today, many men and women in their 'golden year, are healthy, still active and young not in age.”可知，此处指心思很活跃，很年轻。故选A。
.句意：随着社会的老龄化，我们需要老年人的贡献。
contributions 贡献；protection 保护；suggestion 建议；introductions 介绍。根据 “With long lives ahead of them, they need to stay alive and be devoted.” 可知，需要老年人的贡献。故 选Ao