题目内容

【题目】图示意欧洲部分城市冬、夏季气温状况。读图,回答下面小题。

1城市a→e(  )

A. 气候大陆性自东向西逐渐增强 B. 年降水量自西向东呈递减趋势

C. 夏季温和、冬季寒冷,全年湿润 D. 年太阳辐射量自东向西逐渐变大

2影响城市a→e气温差异的主要因素是(  )

A. 大气环流、海陆位置 B. 纬度位置、海陆位置

C. 大气环流、地形地势 D. 纬度位置、地形地势

【答案】

1B

2A

【解析】试题分析:

1】欧洲西部由ae,由海洋向内陆过渡,气候气候大陆性自西向东逐渐增强;年降水量自西向东呈递减趋势;年太阳辐射量自东向西逐渐变小;西部沿海是海洋性气候,东部内陆是大陆性气候。选B正确。

2】欧洲西部由ae,由海洋向内陆过渡,西部沿海是海洋性气候,东部内陆是大陆性气候,是大气环流、海陆位置差异形成的。选A正确。

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【题目】

The earth is the only planet that scientists think has life.Why does the earth have life while the other planets don't?For one thing,the earth is just the right temperature.As the third planet from the sun,the earth seems to be just the right distance away.The planets which are closer to the sun are so hot that their surfaces bake(烘烤)in the sun.The farthest planets are cold balls.

When the earth developed—which scientists believe may have happened about 4 billion years ago—many gases covered the earth.The gases caused the earth to be hot.But something wonderful happened.The temperature was just right for thick clouds to form.It rained very hard for a very long time.This gave the earth its oceans.Water made it possible for plants to grow.The plants created oxygen in the atmosphere.Oxygen is the gas that humans and animals breathe.

Only one other planet in the solar system seems to be something like the earth.That planet is Mars (火星).Mars is smaller than the earth,and it is quite a bit cooler.But it is not too cold for humans.On some days,the temperatures are as low as a winter day in the northern United States.If you wore a special spacesuit,you could walk around on Mars.You would have to bring your own air to breathe,because the air on Mars is too thin to breathe.

Mars has the largest volcano(火山) in the solar system.It is sixteen miles high.The highest volcano on the earth is five miles high.The most unexpected(未预料到的) sight on Mars is driedup river beds.Scientists believe that Mars was once much better than it is now.Does this mean there could have been living things on Mars?Scientists are not sure,but there has been no sign so far.

1Which of the following is NOT the reason that the earth has life?

A. The earth is just the right temperature.

B. The volcanos on the earth are lower than those on Mars.

C. There is oxygen in the atmosphere of the earth.

D. The earth seems to be just the right distance away from the sun.

2The underlined phrase“the third planet”in the first paragraph refers to________.

A. the Sun B. the Moon

C. the Earth D. the Mars

3Which of the following about the Mars is NOT true?

A. There could have been living things on Mars.

B. Mars has the largest volcano in the solar system.

C. There is almost no oxygen in the air on Mars.

D. Mars is smaller than the earth,and it is quite a bit cooler.

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