Unit 13 We're trying to save the earth! Section A (Grammar Focus-4c) 课时训练（含答案）

第3课时　[Unit 13 Section A (Grammar Focus-4c)]
将下列表格中的句子译为英语。与教材P100中Grammar Focus的句子核对后,请背诵
我们正在竭力拯救地球。(现在进行时态) 这条河曾经很干净。(used to)
空气被严重污染了。(被动语态) 没有科学研究表明鲨鱼鳍对健康有益。(现在完成时态)
我们应该帮忙拯救鲨鱼。(情态动词should)
Ⅰ.用括号中所给单词的适当形式填空
1.[2020·百色] Kids shouldn't 　　　　(swim) in the river without adults.
2.[2020·常德] The telephone 　　　　(invent) by Alexander Graham Bell in 1876.
3.[2020·包头] In order to live in a better place, the natural environment must be 　　　　
(protect) by all the people.
Ⅱ.按要求完成下列各题
4.[2020·上海] The middle school boy can tell traditional Chinese stories in English. (改为一般疑问句)
　　　　 the middle school boy 　　　　traditional Chinese stories in English
5.The boys can play chess in the afternoon. (改为否定句)
The boys 　　　　　　　　chess in the afternoon.
6.[2020·天水] We will solve the problem in two weeks. (改为被动语态)
The problem will 　　　　　　　　by us in two weeks.
7.These apple trees were planted by the students in Class 1. (改为一般疑问句)
　　　　 these apple trees 　　　　by the students in Class 1
Ⅲ.根据句意及首字母或汉语提示完成句子
8.How much did you p　　　　 for the computer
9.We must take a　　　　 to protect our environment.
10.[2021·广安] I've always wanted to go on a wonderful holiday. But I can't 　　　　(付得起) it.
11.What do you think of the 　　　　(交通运输) in your city
12.This kind of material is 　　　　(可重复使用的). Don't throw it.
Ⅳ.根据汉语意思完成句子
13.这个单词以字母“a”开头。
This word 　　　　　　　　the letter “a”.
14.[2020·黄石] 你房间的灯还亮着。你离开之前不要忘记把它们关掉。
The lights in your room are still on. Don't forget　　　　 　　　　　　　　　　　　before you leave.
15.[2020·烟台] 我们应该立刻行动起来,帮助他们摆脱困境。
We should 　　　　　　　　right now to help them out of the difficulties.
16.你愿意参加世界读书日的活动吗
Would you like to 　　　　　　　　　　　　the activities of World Book Day
17.如果你打破这个杯子,你必须赔偿。
You'll have 　　　　　　　　　　　　it if you break the cup.
Ⅴ.[2020·陕西] 完形填空
My father told me that there used to be a forest near our town. But the farmer who owned the forest　18　 trees every year until one year, there were no trees left.
One day, our teacher took us out and we had a　19　 in the field where the forest used to be.While eating and drinking, we 　20　about the beautiful forest we once had. One of my classmates comes from a tribe(部落) that lived in the west of our country. He told us what he thought about the change. “It makes me really　21　 to learn that a forest has disappeared. My people have taught me to 　22　think seven generations(七代人) in the future. That's to say, when we do something to the land, we should never 　23　 it. We must care about nature and leave it good enough for later generations.”
When we heard what he said, we kept　24　first. “Let's plant some trees!” said our teacher after a moment. “It will be a good 　25　!” So that's what we did. For the rest of the spring, we worked hard and we planted thousands of trees.
That was five years ago. Today, when I stand in that field which was once empty, I see　26　 about as tall as I am. It's great to see how we've 　27　 the field. It taught us the power of thinking about the future.
(　　)18.A.cut up B.cut down C.looked for D.looked after
(　　)19.A.picnic B.test C.wish D.lesson
(　　)20.A.planned B.feared C.knew D.talked
(　　)21.A.tired B.excited C.sad D.hopeful
(　　)22.A.sometimes B.always C.seldom D.never
(　　)23.A.protect B.hurt C.study D.sell
(　　)24.A.thankful B.happy C.silent D.shy
(　　)25.A.start B.mistake C.mess D.warning
(　　)26.A.trees B.leaves C.grass D.flowers
(　　)27.A.broken B.bought C.wasted D.changed
答案
Ⅰ.1.swim　2.was invented　3.protected
Ⅱ.4.Can; tell　5.can't play 6.be solved　7.Were; planted
Ⅲ.8.pay　9.action　10.afford 11.transportation　12.reusable
Ⅳ.13.begins with　14.to turn them off 15.take action　16.take part in 17.to pay for
Ⅴ. 本文是一篇记叙文。文章讲述了作者在老师的带领下和同学们植树的故事。故事告诉我们:人们要保护环境,做长远规划。
18.B　根据上文语境,作者所在的城镇附近过去有一片森林,结合转折连词“but”和下文句子“…there were no trees left.”可知,是由于拥有森林的农民不断砍伐树木,结果森林消失了。cut up意为“切碎”;cut down意为“砍倒”;look for意为“寻找”;look after意为“照顾”。故选B。
19.A　根据下文句子“While eating and drinking”判断是老师带领学生们去野餐。picnic意为“野餐”;test意为“考试”;wish意为“愿望”;lesson意为“课程;教训”。故选A。
20.D　句意:当我们边吃边喝的时候,我们谈论关于我们曾经拥有的美丽森林。plan意为“计划,打算”;fear意为“害怕”;know意为“知道”;talk意为“谈论”。联系句意可知选D。
21.C　句意:得知森林消失这件事使我真的　　　　。tired意为“疲惫的”;excited意为“兴奋的”;sad意为“悲伤的”;hopeful意为“充满希望的”。根据上文语境可知这位同学对一整片森林的消失这件事感到很难过。故选C。
22.B　句意:我的族人告诉我要总是考虑未来的七代人。sometimes意为“有时候”;always意为“总是”;seldom意为“很少,几乎不”;never意为“从不”。联系语境可知选B。
23.B　根据下文句子“We must care about nature and leave it good enough for later generations.”可知,我们永远不能伤害它。故选B。
24.C　thankful意为“感恩的”;happy意为“高兴的”;silent意为“沉默的”;shy意为“害羞的”。结合上文语境以及下文句子“‘Let's plant some trees!’ said our teacher after a moment.”可知,一开始大家都是沉默的。故选C。
25.A　根据上文中老师建议大家植树可知,这个主意对于保护环境是个不错的开端。start意为“开始; 开端”。故选A。
26.A　联系上文内容可知,那个春天剩下的时间,在老师的带领下,作者和同学们种了成千上万棵树。作者五年后故地重游,发现小树已经长得和自己一样高了。故选A。
27.D　根据上文可知小树已经长高,可判断本句句意为“真高兴看到我们已经改变了这片田地”。break意为“损毁”;buy意为“买”;waste意为“浪费”;change意为“改变”。故选D。