题目内容

【题目】关于西北地区自然地理环境特征的叙述,正确的是

①气候干旱 ②黑土广布 ③植被稀疏 ④水源充足

A.②③B.②④C.①③D.①④

【答案】C

【解析】

我国西北地区气候干旱,水源匮乏,植被稀疏,①③正确,④错误;而黑土广布的地区为我国东北地区,②错误。故选C。

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【题目】Often people use laptops (笔记本电脑) on trains and airplanes,in airports and hotels.These laptops connect people to their workplace.In the United States today,laptops also connect students to their classrooms.

Westlake College in Virginia will start a laptop computer programme that allows students to do schoolwork anywhere they want.Within five years,each of the 1,500 students at the college will receive a laptop.The laptops are part of a $10 million computer programme at Westlake,a 110yearold college.The students with laptops will also have access to the Internet.Besides,they will be able to use email to“speak”with their teachers,their classmates,and their families.However,the most important part of the laptop programme is that students will be able to use computers without going to computer labs.They can work with it at home,in a fastfood restaurant or under the trees—anywhere at all!

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A. do their school work

B. have access to the Internet

C. send emails

D. connect them to libraries

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A. talk with speakers

B. talk with one's mouth

C. communicate

D. use the computer language

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A. It is an old college in America.

B. 1,500 students have laptops.

C. All students use computers.

D. Students there can do everything.

【题目】分析珠江三角洲经济区产业发展特点与条件的有关图文材料,并回答问题。

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