试题与答案

如图所示,质量相同的两物块A、B用劲度系数为K的轻弹簧连接,静止于光滑水平面上,

题型:选择题

题目:

如图所示,质量相同的两物块A、B用劲度系数为K的轻弹簧连接,静止于光滑水平面上,开始时弹簧处于自然状态。t=0时刻,开始用一水平恒力F拉物块A,使两者做直线运动,经过时间t,弹簧第一次被拉至最长(在弹性限度内),此时物块A的位移为x。则在该过程中

A.t时刻A的动能为Fx

B.A、B的加速度相等时,弹簧的伸长量为

C.t时刻A、B的速度相等,加速度不相等

D.A、B的加速度相等时,速度也一定相等

答案:

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参考答案:D

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题型:阅读理解

阅读理解。

     To many basketball fans in Taiwan, the William Jones Cup or the Basketball Association may be their

sweetest memory. But if you ask them, "What's the hottest basketball event now?" There is the only

answer: HBL, the High School Basketball League.

     Founded in 1988, the HBLwas at first just a high school basketball tournament. After the Taipei

School Sport Federation took charge in 1996 and renamed it HBL, everything changed. The Federation

decided to co-operated with Nike, the well-known sportswear manufacturer, and use its experience in

marketing to promote the game.

     The HBL started with 129 teams; today there are more than 250. no longer just of interest to the

players, it's now Taiwan's biggest basketball event. Fellow students, alumni (男毕业生,男校友), and

sports fans all over Taiwan cheer for their favorite teams. At last year's finals, Taipei and Kaohsiung

mayors came to cheer for their teams.

     The HBL starts in September with qualifying and preliminary(预备的,初步的) rounds and continues

through April of the following year, when the finals are held. Broadcasting the games on television has

helped make the HBL a wildly popular event. It's become the place to spot young basketball talent.

Today's HBL players are tomorrow's professionals.

     Recent HBL tournaments have been very competitive, with no one school taking the advantage. This

wide-open quality of the tournament makes it more exciting. Everyone wants to see how this year's games will come out. HBL fever just keeps getting hotter.

1. What is the hottest event in the eyes of most basketball fans in Taiwan?

A. HBL                    

B. The William Jones Cup  

C. The Basketball Association    

D. NBA

2. What was it that helped to make the High School Basketball League wildly popular to the public?

A. The co-operation with Nike, the well-known sportswear manufacturer.

B. Broadcasting the games on television.

C. Taipei and Kaohsiung mayors' coming to cheer for their teams at last year's finals.

D. Many tomorrow's professionals' joining.

3.Why does the writer say"Recent HBL tournaments have been very competitive"?

A. Because there isn't a school taking the advantage.

B. Because HBL fever just keeps getting hotter.

C. Because it's become the place to spot young basketball talent.

D. Because the Taipei School Sport Federation took charge of it.

4. What would be the best title for the passage?

A. Today's Players---Tomorrow's Professionals

B. The High School Basketball League of Taiwan  

C. The Basketball Fans in Taiwan  

D. HBL Fever---Just Keeping Getting Hotter

5. Which of the following statements is true according to the passage?

A. At first, the HBL was no more than a high school football ball tournament.

B. It was the successful co-operation with Nike, the well-known sportswear manufacturer

     that changed everything of HBL.

C. Many of the mayors came to cheer for their teams during the event.

D. Everyone wants to see how the teams will come out to take part in the games.

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