MRI诊断垂体微腺瘤的征象有（） A.增强MRI示垂体内低信号 B.垂体腺高度增加

按照《关于禁止商业贿赂行为的暂行规定》，下列属于商业贿赂的行为是

A．经营者为销售商品借劳务费、咨询费、佣金等名义，给对方单位或者个人现金

B．经营者为购买商品以报销各种费用等方式，给对方单位或者个人财物

C．经营者为销售商品而给对方单位或者个人赠送小额广告礼品

D．经营者为销售商品给对方单位或者个人提供国内外各种名义的旅游、考察

E．经营者为购买商品借促销费、宣传费、科研费、赞助费等名义，给对方单位或者个人现金

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

The sea has always interested man. From it he can get food, minerals and treasure.  小题1: But he couldn’t go far beneath its surface.

 小题2: However, he isn’t a fish. Because he must breathe air, he can’t stay under the water’s surface for any length of time. To explore deep water, man faces even more dangers and problems.

A diver who wants to stay under water for more than a few minutes must breathe air or a special mixture of gases.  小题3: He can carry a tank of air on his back and breathe through a hose and a mouthpiece. Water weighs 800 times as much as air. Tons of water pushes against a diver deep in the sea. 小题4: .

When a diver is under great pressure, his blood takes in some of the gases he breathes. As he rises to the surface, the water pressure becomes less. If the diver rises too quickly, the gases in his blood form bubbles. The diver is then suffering from the bends（潜水员病）. The bends can cause a diver to double up in pain.  小题5:  

A．His body is under great pressure.

B．Scientists are trying to find more about the sea.

C．For thousands years, he could sail on it

D．They can even kill him．E. He can wear a diving suit and have air pumped to him from above.

F. The water pressure can cause a diver to breathe with difficulty.

G. Man wants to explore deep into the sea.

水和氧气是人类赖以生存的物质，下列关于水和氧气的说法正确的是 [ ]

A．氧气用于金属切割是利用了氧气的可燃性

B．水由氢气和氧气组成

C．过滤不能除去水中的所有的杂质

D．煮沸和蒸馏均能使自来水变成纯净水

西欧六国在建立煤钢共同体和欧洲共同体时，都没有忘记战后竭力鼓吹欧洲联合的英国，它们邀请英国参加进来，……但却被英国拒绝了。丘吉尔曾说：“我们有我们的梦想，有我们的任务。我们与欧洲大陆相联，但并不包容在里面。我们是和欧洲在一起，而不是属于它。我们同它利益与共，但并不被它吸纳。”这表明当时的英国

A．成为阻挠欧洲地区联合的主要障碍

B．试图建立由英国主导的欧洲联合

C．与欧洲其他国家关系处于敌对状态

D．欲改变其传统的欧洲均势政策

酒钢不锈钢冷轧设备中有把Cr6+去除的设施。