不得使用四环素类抗生素（）.
A．四环素
B．反应停
C．氯霉素
D．新生霉素
E．磺胺
参考答案：C
----Can we find before an earthquake?
----Yes. Some animals will run wildly and some plants will come out in the wrong season.
A．something unusual
B．anything unusual
C．unusual something
D．unusual anything
起吊提升前应注意什么？
