内容正文:
【B卷·提高卷】Unit 3 Computers 单元同步检测卷
2023-2024学年牛津深圳版八年级上册(深圳专用)(原卷版)
考试范围:Unit 3;总分:75分
第I卷(选择题)
1、 完形填空(10分,每小题1分)
阅读下面短文,并掌握其大意。然后从各题所给的A、B、C、D四个选项中,选出最佳答案。
Space suits don’t just make astronauts look cool. Without these special suits, astronauts wouldn’t be able to 1 their spaceship. That is to say, they wouldn’t be able to walk on the 2 or work outside the International Space Station.
★ 3 do astronauts need to wear space suits?
Space is a 4 place for human beings. Firstly, there is no air to breathe. Secondly, space also has high levels of radiation (辐射), energy that can pass 5 our bodies and make us sick. Thirdly, some parts are really 6 while other parts are very hot. So astronauts may die in just a few seconds if they stepped outside their spaceship without their suits. With a space suit, astronauts can move around in 7 for several hours.
★What can a space suit do for an astronaut?
Space suits keep astronauts safe inside. A backpack sends O2 in to let astronauts breathe 8 . At the same time, the CO2 that astronauts breathe out is sucked (吸) away. The suit also 9 them from harmful radiation and fast-moving space dust. Under the space suit is another suit that looks like a pair of tight pajamas with little pipes running through them. Water runs through these pipes to 10 astronauts because wearing a space suit can make astronauts very hot!
1.A.leave B.live C.stay D.keep
2.A.sky B.earth C.moon D.sun
3.A.When B.What C.How D.Why
4.A.safe B.beautiful C.dark D.dangerous
5.A.in B.through C.across D.around
6.A.cold B.hot C.cool D.warm
7.A.room B.air C.space D.ship
8.A.quickly B.normally C.quietly D.possibly
9.A.stops B.helps C.affords D.protects
10.A.warm up B.cool off C.look after D.pick up
二.阅读理解(30分,每小题2分)
阅读下面短文,并掌握其大意。然后从各题所给的A、B、C、D四个选项中,选出最佳答案。
A
When a computer runs a group of programs, it can get very hot. Cooling the computer can cost a lot, so some scientists want to know one thing: