呼吸道合胞病毒性肺炎的临床特点是()A．两肺以喘鸣音为主 B．稽

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问题多项选择题

呼吸道合胞病毒性肺炎的临床特点是()

A．两肺以喘鸣音为主

B．稽留高热不退

C．尤多见于1岁以内小儿

D．主要病变在支气管及肺泡

E．主要病变在毛细支气管

答案

参考答案：A, C, E

填空题

用所给词的适当形式填空.。

1.He thought about going to Greece or Canada,but finally_______(decide)

on China.

2.My uncle is ______(leave) for Shanghai next Sunday.

3.Isabella finished ____(make)her last movie last week.

4.He had a very _____(relax)vacation.He was very _______(relax)

填空题

起重机以2m/s的速度匀速提起重物时，钢丝绳施加的拉力是6000N。如果起重机改为3m/s的速度匀速提起此重物，钢丝绳施加的拉力应为______N。