问题 选择题

越来越多的国家和地区重视对于水的拦蓄和利用。以色列几乎把每一滴雨水都积存起来;我国西部干旱地区收集和积储雨水,供生产和生活之用;伦敦和芝加哥则利用收集和积储的雨水,满足冲厕所、洗马桶和清洁车辆。根据资料完成各题:

小题1:对雨水的拦蓄和利用,对水循环产生影响的环节是

A.蒸发

B.降水

C.水汽输送

D.径流小题2:拦蓄和利用雨水,主要可解决下列什么矛盾

A.水资源空间分配不均

B.水资源时间分配不均

C.水资源地区使用不均

D.农业与工业的用水不均

答案

小题1:D

小题2:B

小题1:本题考查人类活动对水循环的影响。对雨水的拦蓄和利用主要是对地表径流的影响。所以本题选择D选项。

小题2:拦蓄和利用雨水主要是因为水资源的时间分配不均,在降水多的时候将水储存。所以本题选择B选项。

阅读理解

阅读理解。

     Strange things happen when you travel, because the earth is divided into twenty-four zones (分……区).

The time difference between two zones is one hour. You can have days with more than twenty-four hours and

days with fewer than twenty-four hours. You can have weeks with more than seven days and weeks with

fewer than seven days.

     If you make a five-day trip (旅行) across the Atlantic Ocean (大西洋), your ship come into a different time

zone every day. As you come into each zone, the time changes one hour. If you travel west, you set your

watch back. If you travel east, you set it ahead (向前). Each day of your trip has either twenty-five or

twenty-three hours. If you make a trip by ship across the Pacific Ocean (太平洋) , you cross the International

Date Line (国际日期变更线). This is the point where a new day begins when you cross the line, you change

one full day. If you travel east, today becomes yesterday,  if you travel west it is tomorrow.

1. Something interesting will happen to the time if you travel because _____.

A. a day has always fewer than twenty-four hours

B. a day has always more than twenty-four hours

C. a day has more or f ewer than twenty-four hours

D. some time zones are large and some time zones are small

2. The time difference between two time zones is _____.

A. twenty-four hours

B. one hour

C. two hours

D. twenty-three hours

3. If we cross the Atlantic Ocean, we _____.

A. change one full day

B. set our watch back

C. set our watch ahead

D. set our watch back or ahead

4. If we travel east across the International Date Line on July 5th, the date becomes July _____.

A. 3rd

B. 4th

C. 5th

D. 6th 

5. The Atlantic Ocean _____.

A. is in one time zone

B. is divided into twenty-four zones

C. is divided into five time zones

D. can not be crossed in five days

6. Which of the following sentences is true?

A. If we travel around the world, we will get into trouble in telling the time.

B. If we travel west across the Atlantic Ocean, we will have twenty-three hours.

C. If we travel by ship across the Atlantic Ocean, we will cross the International Date Line.

D. If we travel across the Pacific Ocean, today becomes tomorrow.

单项选择题