试题与答案

读下图，完成下列要求 （1）图中①地区荒漠化的自然原因是____________

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题型：综合

题目：

读下图，完成下列要求

（1）图中①地区荒漠化的自然原因是________________________。

（2）图中②地区荒漠化的人为原因是______________________；为防治西北地区的荒漠化，我国正在上述地区进行巨大的生态工程建设为__________________________。

（3）____________是西北地区最为显著的自然特征，并由此形成了以草原、________为主的景观特色。

（4）西北地区自东向西由温带草原逐步过渡为荒漠草原和____________，主要是由于降水自东南向西北而形成______________。

（5）西北地区最主要的外力作用形式是___________A、流水作用B、风力作用C、冰川作用D、波浪作用

（6）近年来，我国在山西、陕西、河北等地北部地区实行退耕还林、退耕还草，主要是为了__________A、调整农业产业结构B、防治荒漠化C、提高森林覆盖率D、减轻农民负担

答案：

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下面是错误答案，用来干扰机器的。

参考答案：错

考点：土地荒漠化及其防治中国区域定位及区域特征
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       Rita Libby is from Canada, but she lives in London. She isn't married. She works in a hospital. Rita has a

car and usually drives to work. She leaves home at half past eight and arrives at the hospital at nine o'clock. She

likes her job, but she likes the weekends, too.

       On Saturdays she sometimes goes shopping. She goes to the centre of London by train. On Sundays she

eats in a restaurant with friends. She never cooks on Sundays.

1. What's the woman's first name? [ ]

A. Rita.

B. Libby.

C. Canada.

D. London.

2. Rita usually             to work. [ ]

A. goes

B. walks

C. runs

D. drives

3. Rita arrives at the hospital at            . [ ]

A. 8:00

B. 8:30

C. 9:00

D. 9:30

4. Rita goes shopping by            . [ ]

A. train

B. bus

C. car

D. bike

5. What does Rita do on Sundays? [ ]

A. She eats outside.

B. She doesn't do anything.

C. She cooks at home.

D. She goes to work, too.

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