题目内容
19.Mars (火星) is the fourth planet from the sun.It is 141million miles away from the sun.It has two moons.A year on Mars is 687earth-days long.Mars is about half the size of Earth.Because Mars is smaller than Earth,its gravity (重力) is also less.If you weighed 100pounds on Earth,you'd weigh onlyabout 38pounds on Mars.
Mars'surface looks like a red desert.There are mountains,canyons (峡谷),and crates (火山坑).There are no rivers oroceans.It is a planet without any liquid (液态) water.It was named by the ancient Romans for their God of War.It is very cold on Mars.Mars is much colder than our planet.The temperature on Mars is 80degrees below zero!That is a lot colder than the North Pole!
Scientists suggest that Mars once had rivers,lakes,and maybe even an ocean.Mars has mountains that are much higher than those on Earth.Mars also has bigger,deeper canyons than Earth's.Some of these are sixty miles long and five or six miles deep.No people could live there.But it's fun to learn about this red planet.Don't you think so?
58.Mars is the planet from the sun.B
A.third
B.fourth
C.fifth
D.sixth
59.Mars is.C
A.the largest planet
B.one-fifth of the Earth
C.about half the size of Earth
D.about the same size as Earth
60.Mars was named after.D
A.the fir
B.a red desert
C.the color of its surface
D.the God of War
61.Which of the following is NOT true according to the passage?A
A.Mars never had rivers or lakes.
B.Mars is much colder than Earth.
C.A man can lift heavier things on Mars than on Earth.
D.Living on Mars for one year means that a person lives for 687days on Earth.
分析 本文介绍了火星的知识,火星是太阳系由内往外数的第四个行星,大约是地球的一半大,火星比地球引力小,火星上没有液态水,科学家认为火星曾经有河流,湖泊,甚至是海洋.
解答 58.B细节理解题.根据Mars (火星) is the fourth planet from the sun可知火星是太阳系由内往外数的第四个行星,故选B.
59.C细节理解题.根据Mars is about half the size of Earth可知火星大约是地球的一半大,故选C.
60.D细节理解题.根据It was named by the ancient Romans for their God of War可知Mars是以古罗马的战神命名的,故选D.
61.A理解判断题.根据Scientists suggest that Mars once had rivers,lakes,and maybe even an ocean可知科学家认为火星曾经有河流,湖泊,甚至是海洋,故选项A是不对的.
点评 做题时要在理解好文意的基础上,与题目有机的结合,从文章中找到相关细节性的句子与选项细细比对,进行选择或推理判断,找出符合文章内容的正确答案.做题注意灵活,有时可采用排除法或直选法确定出最终答案.
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Attention,please!Do you know (46)Bto keep safe in our daily(日常的)life?Today I'd like(47)A you some ways to keep safe.
1.Always play in a (48)C place.A park is a safe place(49)D there are no cars or buses in it.
2.(50)C the traffic rules,please!Before crossing a road,(51)Aand look both ways--look left,look right and look left(52)B.
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That's all.All the students should obey the rules anytime(任何时候).
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| 48.A.beautiful | B.wonderful | C.safe | D.nice |
| 49.A.and | B.but | C.so | D.because |
| 50.A.Give | B.Take | C.Obey | D.Keep |
| 51.A.stop | B.go | C.walk | D.run |
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| 39.A.having | B.hiding | C.sharing | D.keeping |
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