人工呼吸适用于抢救氮气窒息。
参考答案:对
We have very strict quality control and anything imperfect is ____, so customers feel secure about our products.
A.denied
B.rejected
C.deserted
D.refused
由于INTERNET采用了______技术,当用户准备好要传输的数据后,就会由网络软件自动将数据划分成组并发送。