Java中流是一个流动的 【10】 ，数据从数据源流向数据目的地。

简述颈膨大和腰膨大的组成结构。

阅读下面短文,短文后各有五个理解性的题目,在各题所给的A、B、C、D四个选项中,选出一个最佳选项.

    Chinese basketball player Wang Zhizhi returned home from the United States on the morning of April

10th after he had been expelled(除名)from the national team for four years.

    "It has been a long time. I am so glad to be coming back home," Wang told a CCTV reporter.

    Wang, the first Chinese to play in the National Basketball Association (NBA) when he joined the Dallas  in 2001, was welcomed by the Chinese basketball officials at he Beijing International Airport that morning.

    "I realized I had made a big mistake (for refusing to return when he was needed). I want to say sorry to my fans and to the Bayi team which trained me and gave me the chance to play in this time and win back

my place in the national team." Wang went on.

    "Wang Zhizhi won't play in the final competition of the CBA (Chinese Basketball Association) Because  he didn't register(注册)," said Zhang Bing, who works with the Bayi team.

1. Wang Zhizhi hasn't been a member of the national team ___________ .

A. for four years

B. since April 10

C. since 2001

D. for 5 years

2. Wang Zhizhi says sorry to his fans and the Bayi team because _________ .

A. he refused to return when he was needed

B. he left the Bayi team for America

C. he didn't play well when he was in China

D. Dallas didn't want to keep him

3. In this passage, "make up my fault" means ___________ in Chinese.

A. 表现出色

B. 弥补过失

C. 珍惜机会

D. 得到谅解

4. From the passage we know that _________.

A. Wang Zhizhi was not welcomed in Beijing

B. Wang Zhizhi was a reporter on sports before

C. every player must register before he plays in the competition of the CBA

D. the Chinese basketball officials didn't want Wang Zhizhi to come back home

5. Which is the test title for this passage?

A. Wang Zhizhi Feels Sorry

B. Wang Zhizhi in the Bayi Team

C. Wang Zhizhi Returns Home

D. Wang Zhizhi in the United States

关于我国节约能源法律制度的说法，正确的是（ ）。

A．节约能源是我国的基本国策

B．企业不得制定严于国家标准、行业标准的企业节能标准

C．节能产品认证实行自愿原则

D．生产者、销售者和运输者应当对产品上标注的能源效率标识的准确性负责

原始人（）

A.食物粗糙，咀嚼功能强，颌骨发育大，错少

B.食物粗糙，咀嚼功能强，颌骨发育大，龋病多

C.食物粗糙，咀嚼功能强，颌骨发育小，少龋病

D.食物粗糙，咀嚼功能强，颌骨发育小，错多

E.食物粗糙，咀嚼功能强，颌骨发育小，错少

移频信号各中心频率的边频都接近（）基波的偶次谐波，因而具有较强的抗干扰能力。