We all know that the gravity on Mars is only about _________ of __________ on Earth.
A. three-eighths; the one B. three-eighth; the one
C. three-eighths; that D. three-eighth; that
九年级英语单选题中等难度题
We all know that the gravity on Mars is only about _________ of __________ on Earth.
A. three-eighths; the one B. three-eighth; the one
C. three-eighths; that D. three-eighth; that
九年级英语单选题中等难度题查看答案及解析
It is said that the gravity on Mars is only about________ of the gravity on earth.
A．three-eighths B．third-eighth C．third-eighths D．third-eight
九年级英语单项填空中等难度题查看答案及解析
It is said that the gravity on Mars is only about __________ of the gravity on earth．
A．three-eighths B．third-eighth
C．three-eighth D．third-eighths
九年级英语单项填空中等难度题查看答案及解析
It is said that the gravity on Mars is only about __________ of the gravity on earth．
A. three-eighths B. third-eighth
C. three-eighth D. third-eighth
九年级英语单项填空中等难度题查看答案及解析
It is said that the gravity on Mars is only about __________ of the gravity on earth．
A．three-eighths B．third-eighth C．three-eighth D．third-eighths
九年级英语单项填空中等难度题查看答案及解析
The gravity on Mars is only about ________ of that on Earth.
A. 1/2 B. 2/3 C. 1/8 D. 3/8
九年级英语单项填空中等难度题查看答案及解析
The ________ on Mars is about three-eighths of that on the Earth.
A. gravity B. food C. quality D. weight
九年级英语单选题中等难度题查看答案及解析
The gravity of the Mars is only about 37．5 percent of _________ of the Earth．
A. one B. it C. that D. those
九年级英语单选题困难题查看答案及解析
任务型阅读 根据短文内容，回答下列问题。
Is there life on Mars? We don’t know．We’re sure that people on the earth are not able to live on Mars．People on the earth need oxygen to breathe in．There is almost no oxygen on Mars．
Living on Mars would be like living on a very high mountain．There would be little air．The temperature might be 50 degree above zero at noon and 140 degrees below zero at night．Many people think there may be plants on Mars．We know that on Mars there is carbon．This is a kind of material found in all plants and animals on the earth．Mars looks red through a telescope(望远镜)．It seems gray in some places．At times the gray color turn gray-green，then brown，then gray again．The gray-green color may be a kind of plant changing color with the seasons．
Will men go to Mars one day? If they do，they must take their own oxygen，food and clothing with them．
根据表格内容，完成下面各题。
1.Can people live on Mars?
2.Is there any oxygen on Mars?
3.What kind of material can be found in all plants and animals on the earth?
4.Does Mars look gray through a telescope?
5.What must men take if they go to Mars?
九年级英语其他题中等难度题查看答案及解析
三、完形填空（共10分，每小题1分）
Do you know Mars? We are always__________, “Is there life on Mars?” We all know that it is difficult for people on the Earth to live on Mars because we need water and oxygen to
_____________, but there is little oxygen on Mars.
Living on Mars seems like living on a very high mountain. There is very thin__________. It might be 20 degrees above zero at noon and 60 degrees below zero__________.
A lot of people think there may be plants on Mars. We know that Mars has carbon. This is a kind of material__________in all plants and animals on the Earth. Through a telescope (望远镜), Mars looks red. In some places, it seems grey. At times the grey colour turns grey-
green, then brown, and then grey again. The grey-green colour may be a kind of ___. Life changes colour _________the seasons. At first scientists thought the red planet was as ________ as the Moon with dust storms blowing over the large sandy deserts. But Mars seems not as
______________as we once believed it to be. According to an analysis (分析) on the recent Mars
pictures, NASA (美国航空航天局）announced in September 28, 2015 that there is__on Mars. If that’s true, there will be hope of finding life on Mars.
1.A. talking B. wondering C. knowing D. telling
2.A. drink B. eat C. live D. breathe
3.A. air B. earth C. oxygen D. gas
4.A. at night B. in the daytime C. in the morning D. in the afternoon
5.A. seen B. heard C. called D. found
6.A. animal B. plant C. earth D. people
7.A. for B. by C. along D. with
8.A. lifeless B. hopeless C. cool D. hard
9.A. cold B. hot C. dry D. wet
10.A. water B. ice C. plants D. life
九年级英语完形填空困难题查看答案及解析