苯二氮类与巴比妥类比较,前者不具有的作用是()
A.镇静、催眠
B.抗焦虑
C.麻醉作用
D.抗惊厥
E.抗癫痫作用
参考答案:C
– Really? Who will give_____ lecture? What is it about?
--- Professor Chen,_____ president of Beijing University. About pollution.
A the, a B the, ∕ C a, the D a, ∕
往复泵在开动之前没有液体充满也能吸进液体,即有()作用。