呼吸衰竭的最早症状是
A.缺氧B.发绀C.心衰D.肾衰E.呼吸困难
参考答案:E
把短文补充完整。
My _________ is Jenny. I'm _________ years old. I have a _________. I like it very much. It _________
fur and a __________. Lily has a __________, too. They are __________.
驾驶机动车在高速公路匝道上不准停车。