资本市场的首要功能是( )。A．资本市场具有融资功能B．资本市场能够有效地行使资源

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 is the first Chinese to play in the National Basketball Association (NBA). He joined the Dallas in 2001. He was welcomed by the Chinese basketball officials at the 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. I want to make up my fault 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.

小题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小题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小题3: In this passage, “make up my fault” means ___________ in Chinese.

A．集中注意力于

B．弥补过失

C．珍惜机会

D．遵守规则小题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小题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

∃x∈[1，2]，使9^x+a•3^x+4≥0，则实数a的取值范围是 ______．

小红和小明分别用下图所示的装置测定空气中氧气的含量，硬质玻璃管内装有细铜丝，且两个注射器组成的密闭系统内留有25mL室温下的空气。

回答下列问题：

（1）小红的实验很成功，出现的现象是细铜丝由             色变为             色，冷却后，密闭容器内气体的体积约为                mL。

（2）小红在实验的加热过程中，交替缓慢推动两注射器的目的是                 。

（3）小明做实验时，发现连接注射器和硬质玻璃管的橡皮管被烤焦了，请你帮他分析一下原因：                    。

（4）小明发现自己测出的氧气的体积分数偏小，请你帮他分析一下原因                    。（答一条即可）

某在建工程开工于2006年4月1日。总用地面积为4000m²，规划总建筑面积为16000m²，用途为写字楼。土地使用年限为50年，从开工之日起计；当时取得土地的花费为楼面地价1200元/m²。该项目正常开发期为3年，建设费用（包括前期工程费用、建筑安装工程费、管理费等）为建筑面积2500元/m²。至2007年10月实际已完成了主体结构，已投入40%的建设费用，但估计至建成尚需2年的时间，还需投入60%的建设费用，建成后半年可租出，可租出面积的月租金为70元/m²，可出租面积为建筑面积的70%，正常出租率为80%，出租的运营费用为有效毛收入的35%。当地购买在建工程需要缴纳的税费为购买价的3%，同类房地产开发项目的销售费用和销售税费分别为3%和5%，在建成前半年开始投入广告等销售费用。试利用上述资料用现金流量折现法估算该在建工程2007年10月1日的正常购买总价和按规划建筑面积折算的单价（报酬率为8%，折现率为12%）。

_________是诊断呼吸衰竭的主要方法。