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问题 选择题

青海省玉树县2010年4月14日晨发生两次地震，最高震级7.1级，很多救援人员到达灾区后，因高原地区供氧不足，身体出现严重不适应，为解决这一问题，医疗人员采用了一种供氧剂，该供氧剂最有可能是 [ ]

A.NaOH

B.Na2O2

C.Na2O

D.Na2CO3

答案

答案：B

改错题

假定英语课上英语老师要求同桌之间互相修改作文，请你修改你同桌的以下作文。

文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

删除：把多余的词用斜线（\）划掉。

增加：在缺词处加一个漏字符号（∧），并在该词下面写出该加的词。

修改：在错的词下划一横线，在该词下面写出修改后的词。

注意：1、每处错误及修改均仅限一词。

2、只允许修改10处，多者（从11处起）不计分。

Dear friends,

As we can see, the environment around us is getting worse other than better. Our life and health have affected greatly. The earth is our home, but we have a duty to take care of it, not only for ourselves but for future generation. Fortunate, more and more people have become aware of this problem. Many effective measures have been taken by the government to dealing with them.

As a student I think we should do something to improve the environment. First, go to the school on foot or by bike as often as possible. Second, turn on the lights and other electrical appliances before leaving the room. Third, never throw rubbish here and there.

It’s time that we do something to protect our environment.

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单项选择题 A1型题

急性吗啡重度中毒的特征表现是（）。

A.昏迷、针尖样瞳孔和低血压

B.昏迷、针尖样瞳孔和高度呼吸抑制

C.昏迷、瞳孔散大和高度呼吸抑制

D.精神异常兴奋、针尖样瞳孔和高度呼吸抑制

E.昏迷、心律失常和高血压
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