问题 选择题

地球自转产生了

A.昼夜现象

B.昼夜交替现象

C.区时

D.昼夜长短的变化

答案

答案:B

地球自转的地理意义有昼夜交替现象;产生地方时、运动的物体发生偏转。正确的是B项。

阅读理解

阅读理解。

     China's Olympic champion, Liu Xiang broke (打破) the men's 110一meter hurdles (跨栏). world record

with the time of 12.88 seconds on July l l 2006.Many people think he will break the world record at the Beijing

Olympics in 2008, but Liu did it two years earlier.

     Though Liu is the world record holder now, some people still think that he has a slow start during the race.

They think Liu should run faster during the first 30 meters, but his coach (教练), Sun Haiping doesn't think so.

     "We really know how to make Lib run faster during the first 30 meters." Sun said. "A special training will

do, but Liu may lose his good sense of rhythm (节奏感) is he does so.""All the training will follow my plan."

said the coach."The 2008 Games are really important. It's possible that Liu Xiang will set a new record in 2008, but training for the Games has to follow the set plan."

     Liu Xiang has been a world record holder. but he still dreams of winning the men's 110一meter hurdles

at the 2008 Games.

1. When did Liu Xiang become the world record holder?

   __________________________________________________________________

2. What do some people think of Liu Xiang's race?

   __________________________________________________________________

3. What may happen if Liu runs faster during the first 30 meters?

   __________________________________________________________________

4. Does Liu's coach decide to change his plan?

   __________________________________________________________________

5. What's Liu Xiang's dream? 

   __________________________________________________________________

多项选择题