题目内容

【题目】亚洲是我们生活的大洲,它地域辽阔,文化多样.读下图,回答下列问题.

(1)亚洲东临世界上最大的大洋洋,西南以运河为界与非洲相邻.
①A.印度洋 B.太平洋 C.北冰洋
②A.苏伊士运河 B.巴拿马运河 C.基尔运河
(2)亚洲地跨热带、温带、寒带.A地终年高温多雨,属气候类型.B地气候终年严寒,A、B两地气候差异主要是受因素的影响.
①A.热带季风气候 B.温带季风气候 C.热带雨林气候
②A.纬度 B.经度 C.地形
(3)亚洲东部主要分布的人种是 种人,西亚的阿拉伯人属于 种人.
①A.黑 B.黄 C.白
②A.黄 B.白 C.棕
(4)亚洲人民创造了灿烂的古代文明,下列名胜古迹位于亚洲的是

A.①③
B.②④
C.③④

【答案】
(1)B;A
(2)C;A
(3)B;B
(4)A
【解析】读图可知,(1)亚洲大部分位于北半球和东半球.东临世界上最大的大洋﹣﹣太平洋,西南以苏伊士运河为界与非洲相邻.(2)图1中A地位于东南亚地区,终年高温多雨,属于热带雨林气候;B地位于俄罗斯,终年严寒,造成A、B两地气候差异的主要影响因素是纬度位置.(3)亚洲东部主要分布的人种是黄种人,西亚的阿拉伯人属于白种人.(4)亚洲人民创造了灿烂的古代文明,图2名胜古迹位于亚洲的是①泰姬陵和③长城.根据题意.
所以答案是:(1)B;A;(2)C;A;(3)B;B;(4)A.

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【题目】In the past 200 years,the earth's temperature has increased greatly.It's reported that a marked increase in the temperature of about 0.7 appeared at the end of last century.Some scientists think mini-umbrellas(微型伞)might reduce the global(全球的)temperature.

Building a single umbrella,which is big enough to cover the whole earth,seems to be impossible.Roger Angel,a scientist from the USA,has carried out research to deal with this problem.He came up with an idea of mini-umbrellas.In fact,each mini-umbrella is made up of two parts,a spaceship and a sunshade(遮阳篷).A spaceship weighing about 1g would carry a sunshade that is half a meter long.It would be mostly transparent.That means light can pass it directly to reach the earth,with lands and oceans clearly in view.

Pressure(压力)from the sunlight would keep the little spaceships in position around the earth at a distance of about 1.5 million kilometers.As a result,sending over 1,000 billion mini-umbrellas into space would reduce the amount of sunlight reaching the earth.This allows sunlight to be reflected(反射)back to space easily,causing the temperature of the earth's ground to fall off.Covering large areas of the earth,mini-umbrellas together could reflect 1.8 percent of sunlight back.In Roger's plan,scientists will send up 800,000 mini-umbrellas at a time,20 million times in all during ten years.Scientists suggest the earliest launch could be in just 16 years.

Not all the scientists agree with the idea.Some suppose there should be easier and much cheaper ways to prevent the earth from getting too hot,such as to slow down the pollution people bring and to reduce the human activities.Whatever the result of the argument is,this idea of mini-umbrellas in space is certainly creative.

1The underlined word“transparent”here probably means “ ”.

A. 透明的 B. 透气的 C. 透风的

2Picture shows the right information about the mini-umbrellas.

A. B. C.

3After scientists send over 1,000 billion mini-umbrellas into space, .

A. pressure from the sunlight would allow the mini-umbrellas to be reflected back to space easily

B. the mini-umbrellas would reduce the amount of sunlight reaching the earth

C. sunlight would never come into the earth

4Which of the following is NOT true according to the passage?

A. Scientists suggest that the earliest launch could be in just 16 years.

B. A spaceship weighing about 1g would carry a sunshade.

C. Roger will send up 800,000 mini-umbrellas into space during 20 years.

5The best title for this passage should be .

A. THE TEMPERATURE OF THE EARTH

B. A MINI-UMBRELLA PLAN

C. CHEAPER WAYS TO PREVENT THE POLLUTION

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