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阅读理解。

     Yao Ming, the center of the Chinese National Men's Basketball Team, served the Houston Rockets

in 2002 in NBA.  The 2. 26m, 120kg center became the first player to come from a foreign team.

     Yao Ming was born in Shanghai in September, 1980.  His mother was a center and captain (队长)

of the Chinese National Women's Team.  His father played basketball, too.

     Yao Ming is widely known in China.  He came to be a very important basketball player in CBA.  It's

short for China Basketball Association (联赛).  During the 2000-2001 season, he got 27. 1 scores (得

分) for the Shanghai Oriental (东方) Sharks in every match.

     Yao Ming joined the Houston Rockets in October, 2002.  He said it was a new start in his basketball

life.  He would do his best to learn from the NBA and improve (提高) himself.

     Sport analyst (分析家) Bill Walton said,"Yao Ming has the potential (潜力), the capability (能力) of

changing the future of basketball. "

1. The Houston Rockets is the name of a _______ team.

A. table tennis

B. volleyball

C. basketball

D. golf

2. Both Yao Ming's father and mother were _______.

A. football players

B. basketball players

C. the centers of the Chinese National Team

D. the captains of the Chinese National Team

3. Yao Ming _______ in CBA during the 2000-2001 season.

A. does well

B. is good

C. was good

D. did well

4. Yao Ming _______ the Houston Rockets in October, 2002.

A. did his best to join

B. was well-known in

C. became a member (成员) of

D. liked

5. Sport analyst Bill Walton thought Yao Ming was able to _______.

A. learn from the NBA

B. change the future of basketball

C. improve himself

D. became the captain of the Houston Rockets

若等腰三角形的周长为26cm，一边为11cm，则腰长为（　　）

A．11cm

B．7.5cm

C．11cm或7.5cm

D．以上都不对

在“因属其高第弟子贾思诚留以护治之”中，“属”之义为（）

A、属于 

B、同“嘱” 

C、属性 

D、遗属 

E、宗属

如图所示电路中两个光电管的阴极是由同种金属材料制成的，现用强度相同的两束光分别照射两个光电管的阴极，紫光照在甲电路的光电管上，绿光照在乙电路的光电管上，若都能产生光电效应，则下列判断中正确的是（　　）

A．从两个极板射出的光电子的最大初动能相同

B．甲光电管中打到阳极上的光电子的最大初动能一定大于乙光电管中打到阳极上的光电子的最大初动能

C．单位时间内由两光电管产生的光电子的数量相同

D．单位时间内由乙光电管产生的光电子的数量比甲光电管产生的光电子的数量多

读图为太阳光照射图，圆心为极点，箭头为地球自转方向。完成下列问题：

此日北京的昼夜长短状况是（）。