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问题 单项选择题

男性，21岁，查体时发现心尖部舒张期隆隆样杂音，左房增大。

该患者左房失代偿期最严重的表现是

A．咯血

B．端坐呼吸

C．急性肺水肿

D．快速房颤

E．心绞痛

答案

参考答案：C

多项选择题

下列属于城市详细规划中燃气工程规划的是（）

A.预测城市燃气负荷

B.计算燃气用量

C.规划布局燃气输配管网

D.计算燃气管网管径

E.探测燃气管道周边文物状况
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完形填空

第二节语法填空 (共5小题;每小题1分,满分5分)

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31—35的相应位置上。

The Internet has become part of young people’s life.A report shows that 38% of students often use the Internet . Most of them get   31  (use) information on the Internet  32  use the Internet to help in their studies. But many students don’t use it in a good way. Some play games too much, some visit websites  33_  shouldn’t look at. So bad things may happen __34_ students spend too much time on the Internet.

It is important for students to use the Internet properly. Now we have a textbook, _35__ uses many examples to teach students some good ways to use the Internet. It gives useful advice.
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