文档内容
Unit 13 I’m trying to save the earth.
第三课时(分层作业)
基础达标
一、用所给单词的正确形式填空
用所给单词或短语的适当形式填空。每个单词或短语限用一次
answer bring catch cut off fall
1．Alice，please turn down the music，I __________ an important phone now.
2．His finger __________ by a machine while working.
3．The number of sharks__________ by over 90 percent in the last 20 to 30 years.
4．About 70 million sharks __________ and traded every year.
5．If the numbers of sharks drop too low，it __________ danger to all ocean life.
6．Have you ever__________(take) part in an environmental club?
7．The old man can't afford__________(pay) for the new computer at all.
8．The students in this school made the garden a place for________________ (science)
experiments.
9．It is difficult for parents with young children to use the public_____________(transport).
10．The Clean-Up-Day is regarded as the__________(big) project in our school.
能力提升
二、完成句子
根据汉语意思完成句子，每空一词。
11．当你出去的时候，不要忘记关灯。
Don't forget to _________________ the lights when you go out.
12．你愿意参加校运动会吗？
Would you like to _________________the school sports meeting?
13．你买所有这些东西一共花了多少钱？
How much did you _________________all these things?
14．我至今没有收到她的回复。
I have had no reply from her _________________．
15．我觉得到我采取行动的时候了。
I felt that it was time for me _________________．
三、单项选择
16．—To achieve a bright future, we should _____ study hard ________ keep in good health.
—I agree with you.
试卷第1页，共3页
学科网（北京）股份有限公司A．not；but B．not only；but also C．neither；nor D．either；or
17．Today’s young people can’t live without smart phones. They keep their hands on the phones
whenever they go, even while they______ meals.
A．had B．will have C．were having D．are having
18．Please _____ the water when you brush your teeth.
A．take down B．turn up C．take away D．turn off
19．---What do you think of the new foreign teacher Thomson?
---Pretty good. I think he ______ a great job so far.
A．does B．did C．has done D．was done
20．You are __________ a child and you should do everything by yourself.
A．no longer B．not anymore C．not more D．not longer
21．─Have you __________ the shark fin soup?
─Yes, I__________ my pen pal and knew it.
A．heard of; heard from B．heard of; heard about
C．heard of; gotten a letter D．heard about; received from
22．There __________ be a lot of sharks, but now they__________ endangered animals.
A．is used to; become B．would; become
C．used to；have become D．would；have become
23．Would you please stop__________ something？
A．to drink B．drank C．to drinking D．drink
24．Some people think it's difficult for parents with young children to use public ________.
A．action B．advantage C．transportation
25．—How much is the ticket to Central Park?
—A one-way ticket ________ $40, and you can ________ another $20 for a round-trip.
A．costs；pay B．cost；spend C．pay；spend
拓展训练
四、完形填空
Madison Stump is a 13-year-old entrepreneur (企业家) in the USA．To save our planet, she
has________26________.
Madison lives in a “green” family. She is___27___trying to be 100% earth friendly. One day,
Mandison was thinking over what else she could do to help the environment. ___28___, she
试卷第2页，共3页thought, “Why not___29___those used boxes and paper to create beautiful notebooks? And I can
sell them to help people in need.” That night, Mandison made her first notebook with scrap paper
(废纸), and she used an empty gum box for a____30____It was the___31___of her green
business.
Mandison’s first customer was her sister. She, of course, never___32___it! However, Mandison
didn’t mind because she got to see her use it. Before you know it, all Mandison’s school friends
were asking to buy the amazing notebooks. Then, Mandison’s dad came up with the___33___idea
of starting a website, PaperAgain.com, so that these notebooks could be bought online.
Now Mandison is the___34___of a real business! Her notebooks are selling at the store in her
hometown. And she is often____35____on the local television news!
26．A．set out B．set off C．set up D．set at
27．A．always B．already C．never D．nearly
28．A．Happily B．Luckily C．Finally D．Suddenly
29．A．return B．recycle C．repair D．replace
30．A．cover B．paper C．face D．book
31．A．end B．change C．start D．entrance
32．A．paid for B．made for C．sent for D．waited for
33．A．familiar B．silly C．dull D．wonderful
34．A．worker B．winner C．owner D．master
35．A．explained B．reported C．replied D．spread
五、阅读判断
Have you seen some machines that eat used plastic bottles and give some coins to the
users(用户) ?
Recently , such machines have appeared at universities in Chongqing . They can turn rubbish
into treasure and encourage the public to recycle rubbish. The machine is as large as a fridge.
Users put an empty bottle in the machine, It is identified(识别) by a small camera. Then it is put
into a built-in bin. The users can get some coins. They can also give away the money.
When the machine is filled with bottles . it will tell the company’s(公司) head office.
Nearby stations will send workers to have bottles collected . packed and send to the company.
The bottle recycling machines could greatly encourage the public to recycle rubbish and save
natural resources(资源) .Now the machine only eats plastic bottles. At sometime in the future it
will also cover others. Such as glass bottles .to turn more rubbish into treasure and make full use
of the natural resources
People can also see similar machines in Shanghai. In the future, more such machines will
试卷第3页，共3页
学科网（北京）股份有限公司appear at some large stations. Bus stops, neighborhoods and schools.
根据短文内容，判断下列句子正误。正确的用“T”表示，不正确的用“F”表示。
36．The bottle recycling machine eats plastic bottles and give some money to the users(用户) ?
37．When the machine is full , some workers will be sent to collect the bottles .
38．So far, the bottle recycling machine has been able to accept glass bottles .
39．There is no bottle recycling machine in Shanghai now.
40．The passage encourages the public to protect the environment by using the bottle recycling
machines
试卷第4页，共3页
