问题
单项选择题
心源性呼吸困难最先出现的是
A．急性肺水肿
B．阵发性夜间呼吸困难
C．劳力性呼吸困难
D．源性哮喘
E．端坐呼吸
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
心源性呼吸困难最先出现的是
A．急性肺水肿
B．阵发性夜间呼吸困难
C．劳力性呼吸困难
D．源性哮喘
E．端坐呼吸
参考答案：C
| 完形填空。先通读下列短文，掌握其大意，然后从A, B, C, D四个选项中选出最佳答案。 | ||||
| Someone says, "Time is money." But I think time is 1 important than money. Why? Because when money is spent, we can get it back. However, when time is 2 , it'll never 3 . That is 4 we mustn't waste time. It goes without saying that the 5 is usually limited. Even a second is very important. We should make full use of our time to do 6 useful. But it is a pity that there are a lot of people who 7 know how important time is. They spent their limited time smoking, drinking and playing. They do not know that wasting time means wasting part of their own 8 . In a word, we should save time. We shouldn't 9 today's work for tomorrow. Remember we have no time to 10 . | ||||
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