立式车床工作台是（）的，有利于加工超重零件。 A.垂直 B.水平 C.倾斜 D.不水

第一节完形填空 (共10小题；每小题2分，满分20分)

阅读下面短文，掌握其大意，然后从21～30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。

Sea turtles have been on Earth for millions of years, but they may soon die out. The main   21  to them is people who kill them for food, according to Dr. Wallace J. Nichols of the University of California.

But the latest news may   22   turtle hunting: Dr. Nichols has found that sea turtles   23   a lot of pollution from the ocean. This pollution is unhealthy for both turtles and humans. It can cause __24__ damage to their bodies and lead to death. Research shows that many people get sick and even die from eating sea turtle meat. 

In the US, most people have never eaten turtle. This is because turtles are   25   by the United States law, which makes it   26   to harm or kill these amazing animals. “But many people in other countries still eat them,” explains Nichols. “Our first   27   was to save turtles; now we must save   28  too.”

Davis said he also wants to send out a bigger   29   that we should protect the oceans. “The health of the ocean, animals in the ocean, and our own health are all   30  . A clean ocean is really good for us too because of the food we eat from there.”

21. A. doubt           B. stream                      C. danger                    D. worry

22. A. accelerate     B. slow           C. improve          D. change

23. A. cause        B. expand               C. absorb           D. reduce

24. A. accidental     B. occasional          C. unknown         D. serious

25. A. qualified      B. protected           C. restricted         D. produced

26. A. impossible       B. difficult           C. illegal            D. abnormal

27. A. goal                B. impression        C. difficulty         D. cost

28. A. Earth            B. ocean             C. people           D. animals

29. A. advertisement     B. message          C. sign             D. problem

30. A. concerned            B. disturbed         C. developed         D. connected

大闸手柄移运转位，过量减压位时，自阀调整阀盖下口漏泄为：（）。

A、调整阀模板排气孔堵塞

B、排气阀与座固着

C、排气阀杆过长

SLE患者出现抗RNP抗体阳性时，临床上常伴有（）

A.雷诺现象

B.光敏感皮损

C.血管炎皮损

D.脱发

E.黏膜损害

下列关于尊重他人知识产权的说法中，错误的是（）

A.公众信息允许大家共享

B.使用盗版软件是一种侵权行为

C.提倡使用正版软件，尊重知识产权

D.将购买的盗版软件放到网上共享

火车站是恐怖分子作案的重点目标之一，其主要原因在于火车站的警力部署相对较弱。