题目内容

【题目】图中地区一直成为全世界关注的热点地区,冲突、战争不断,据此回答下面小题。

【1】中东地区地理位置十分重要,图中某地处于沟通大西洋和印度洋的枢纽地位。处于中东的亚非两洲的分界线:

A. 苏伊士运河 B. 土耳其海峡

C. 霍尔木兹海峡 D. 直布罗陀海峡

【2】关于图中所示正确的是

A. 图中E处所示为世界最大的淡水湖——里海

B. D处为黑海,到地中海需经过土耳其海峡

C. B处是地中海气候,冬季水资源多

D. 此地的埃及地跨亚洲和欧洲、土耳其地跨亚洲和非洲

【答案】

【1】A

【2】B

【解析】

【1】读图可知:中东地处“两洋三洲五海”之地,东西方的要道,战略地位重要,苏伊士运河位于埃及境内,扼欧、亚、非三洲交通要道,沟通红海与地中海,使大西洋、地中海与印度洋联结起来,使得有些运输石油的船只不必绕经非洲南端的好望角,大大缩短了东西方航程,故选A。

【2】读图可知:图中E处所示为世界上最大的湖泊且为咸水湖里海;D处为黑海,到地中海需经过土耳其海峡;B处是位于波斯湾沿岸的阿拉伯半岛,是热带沙漠气候,水资源缺乏;此地的埃及地跨亚洲和非洲、土耳其地跨亚洲和欧洲,故选B。

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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.

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

A. 透明的 B. 透气的 C. 透风的

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

A. B. C.

【3】After 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

【4】Which 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.

【5】The 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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