题目内容

【题目】下表反映了我国某农作物的主产省区在1980年至2010年种植面积的变化(单位:千公顷)。读表完成下列各题。

省区

1980~1990年

-136.1

-59.5

362.2

672.3

254.0

1991~2010年

-145.5

-310.3

-644.2

-1051.1

560.7

【1】1980年至2010年,该农作物主产区空间分布重心的变化特点是

A.由东向西再向北

B.由南向北再向西北

C.由南向北再向东

D.由北向南

【2】引起其变化的主要因素可能为

劳动力价格 市场距离 国家政策 热量条件 产品质量

A.①③⑤ B.①②④ C.②③⑤ D.③④⑤

【答案】

【1】B

【2】A

【解析】

试题分析:

【1】读表格,根据表格中数据,可以看到,在南方鄂种植面积减少时,北方的冀、鲁、新种植面积增加,后来北方东部的冀、鲁种植面积也大量减少,只的西北的新种植面积增加,说明主产区空间分布重心从南方迁到北方,再由北方的东部迁到西北部。

【2】导致该作物种植重心变化的因素不会是热量条件,南方热量比北方充足,也不会是市场距离,根据该作物分布的空间变化,可以判断是棉花种植。东部地区经济发达,是主要的消费市场,迁到西部市场距离变远了,这种变化与国家的西部开发政策有关,与东部经济水平提高 ,劳动力价格上涨有关,西北地区棉区是优质长绒棉产区,产品质量好。

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How to read more and learn more

These days, more and more Chinese people enjoy sending and receiving message on the phone. It can help the to get the latest news and communicate with friends. But I think I should read more books besides the textbooks, the more, the better. It can broaden my mind and improve my language skills.1Here are some tips for you.

Clear your purpose for reading

2Most people read for two main reasons, pleasure or knowledge. Clearing about your reading purpose can not only help you choose the books you really need to read, but also remind you why reading the book is important to you, so you will keep reading and complete the book faster.

3

No matter what you are reading, it is important to enjoy what you read. Your friends may tell you the books they love, but those books might not necessarily be the ones you enjoy.

Give up books that you don’t enjoy

You may have chosen books that you are interested in, and they are right to your purpose. But while you are reading them, there may still be some books that you don’t enjoy reading. Whenever you realize that you aren’t enjoying the book you are reading, give it up. 4

Set a reading goal

It is interesting that I read the books borrowed from libraries faster than those I bought. The reason is the books I bought don’t have a due date! I don’t need to return those books.5Before you read each book, ask yourself what time you need to complete this book by.

A. Read only what you are interested in.

B. Read the books borrowed from others

C. Remember reading shouldn’t be a chore

D. Of course, it also can help me to get good grades

E. We need to get the latest news and communicate with friends

F. Before you start reading, ask yourself why you are reading this book

G. Having a reading goal helps you work out how much reading you need to do in a week or even a day.

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