课时训练（五） Units 9-12（七下）
（限时:30分钟)
Ⅰ.单项选择
1.[2017·遵义改编] Mary didn’t tell her parents that she was going home because she wanted to give them a .
A.surprise B.call C.gift D.shout
2.[2018·石家庄新华区模拟] Our math teacher teaches us in a way. We all like his classes.
A.special B.boring C.terrible D.bad
3.[2018·襄阳] —Do you like this new kind of mobile phone, madam?
—Yes. But it’s too , and I can’t afford it.
A.popular B.lovely C.cheap D.expensive
4.[2019·原创] When Flight 3U8633 finally landed in Chengdu, some of the women passengers cried. , nobody was hurt.
A.Suddenly B.Luckily C.Sadly D.Easily
5.All students have to learn the rules they know what to do at school.
A.or B.so that C.because D.while
6.[2017·莱芜] We can’t decide to go for dinner because everyone wants to order something different.
A.how B. where C.why D.when
7.[2017·无锡改编] Tom! You have grown up and you’re no longer a 3-year-old kid. Don’t expect me to do for you. Go and tidy your room!
A.everything B.something C.anything D.nothing
8.[2018·荆州] —We are planning a Yangtze River Protection Day thi s weekend. Do you have any advice?
—You’d better signs around the school to tell all the students about that.
A.make up B.put up
C.set up D.show up
9.[2018·襄阳] The second C919 large passenger plane its first flight at Shanghai Pudong International Airport on December 17th, 2017.
A.completes B.completed
C.has completed D.was completing
10.[2019·原创] —Why do you look so tired today?
—Because I late last night to watch the 2018 World Cup.
A.picked up B.stayed up C.set up D.took up
Ⅱ.[2019·原创] 完形填空
Have you ever seen the science fiction movie The Martian（《火星救援》）? In the movie, an astronaut 11 potatoes on Mars. Now some Dutch researchers say they have successfully grown “Martian” and “lunar（月球的）” vegetables. They say these vegetables are 12 to eat now.
The researchers started the 13 in 2013. They grew fourteen plants, such as tomatoes and potatoes in simulated（模拟的） Martian and lunar soil on the earth. 14 , the plants died quickly.
They started again in late 2015 and chose the same 15 . This time they used larger containers and 16 grass to the vegetables. In March 2016, they finally had a harvest. But were the crops safe to eat? The result was 17 . There were heavy metals（重金属） in the Martian and lunar soils. They did not affect plants, but were bad 18 people’s health.
After months of testing, the researchers finally 1 9 that the vegetables were safe to eat. Some of the vegetables even had less heavy metal 20 that of those grown in the earth’s soil. So the researchers cooked a great dinner with the crops and ate them up!
11.A.grows B.sells C.wins D.catches
12.A.useful B.different C.safe D.harmful
13.A.show B.project C.advice D.culture
14.A.Besides B.Even C.Nearly D.However
15.A.jobs B.vegetables
C.machines D.bottles
