搜题请搜索小程序“爱下问搜题”
问题 单项选择题

提示右心功能不全的体征

A．剑突下可见心脏搏动
B．肺动脉瓣第二心音亢进
C．心脏相对浊音界缩小或叩不出
D．心尖搏动向左下移位
E．颈静脉怒张、肝颈静脉回流征阳性

答案

参考答案：E

完形填空

根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。

A: Do you agree that computers have been very important in people’s lives these days?

B: 小题1:_____________. And many people think they will be used even more widely in the future.

A: 小题2: _______ _____?

B: For looking up information, reading books and playing games.

A: 小题3: ____________?        

B: Yes, I do. It’s easy and convenient to shop online. I can save a lot of time by doing that.

A: That’s true. However, sometimes it isn’t safe to buy things online.

B: So we should be careful to shop  online. 小题4:___ ________?

A: I like watching movies and chatting online.

B: 小题5: ______________.

A: Sure. I have about 10 e-pals(网友) who are from different countries.

B: That sounds interesting.
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单项选择题

证券投资者购买证券时，可接受最高价格是（）。

A.出卖市价

B.投资价值

C.到期价值

D.票面价值
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