HLA分型细胞学阴性分型法所使用的标准细胞为（）. A.表面只有一种LD抗原的纯合子

下列保存物质的方法及其原因不正确的是    (    )

A．烧碱应密封保存，是因为它易吸收空气中的水分和二氧化碳

B．浓盐酸应密封保存，是因为它易挥发

C．白磷应保存在水中，是因为它易自燃

D．铵态氮肥应与碱性物质混合使用，是因为能增强肥效

温 * * 同志曾在南水北调开工典礼上强调：“我想引用恩格斯的一段名言与大家共勉，以使我们更加警醒：‘我们不要过分陶醉于我们人类对自然界的胜利，对于每一次这样的胜利，自然界都对我们进行报复。因此我们每走一步都要记住：„„我们对自然界的全部统治力量，就在于我们比其他一切生物强，能够认识和正确运用自然规律。’”这从哲学上启示我们（）。

①人们在客观规律面前不是无能为力的，可以认识和改造规律

②主观能动性的发挥必须以尊重客观规律为基础

③只要发挥了主观能动性，任何奇迹都能创造出来

④想问题、办事情必须坚持一切从实际出发、实事求是的观点

A.①②③

B.②④

C.②③④

D.①④

Over the last two years, in the PC business Michael Dell has been beaten like a rented mule. His company continues to lose market (47) particularly in the U.S.
Industry analysts would say that Dell has done a poor job of bringing out (48) and attractive products. Apple Mac sales keep rising. HP, Sony, and Lenovo have (49) new product lines which have had warm (50) .
Dell’s core business is being hit by three things. The first is that the company was fairly late at (51) into retail outlets(零售店) overseas. It (52) on its direct sales model for too long. The second problem is that the recession has (53) Dell’s sales. Dell’s final problem is that it cannot find the right people to run the company. It (54) dumped most of the senior management that it hired just over a year ago. It takes time for new people to get up to speed.
Word has gotten out that Dell plans to launch its own high-end smartphone. Dell does not do well what it is supposed to do well. It has become a second rate PC company. It proposes to partially offset that by entering a business which is controlled by Apple and RIM, the maker of the Blackberry. Because smartphone margins are high, Nokia, the world largest cellphone company, Samsung, and Sony Ericsson are also (55) into the market. The traffic jam is going to be (56) . So Dell can’t win in the handset business. What it ought to do is to try to improve its PC business.

• A) receptions
• B) depended
• C) share
• D) extraordinary
• E) targeting
• F) innovative
• G) launched
• H) declined
• I) comprehensive
• J) recently
  K) rushing L) expressionsM) expandingN) consequently O) cut

为了更好地认识和改善人际关系，从三个方面进行探讨：人际关系的形成规律、人际关系的发展规律、（）。

A.人际关系的最终结果

B.人际关系的运动规律

C.人际关系的目标规律

D.人际关系的变化规律

我国十分重视职业病防治工作，2001年10月27日，我国颁布了（）

A.《中华人民共和国尘肺防治条例》

B.《乡镇企业劳动卫生管理办法》

C.《中华人民共和国职业病防治条例》

D.《中华人民共和国职业病防治法》

E.《劳动者权益保障法》