闸板阀仅适用做小闸门。
参考答案:错
— _____________ do you get up every day?
— At six. [ ]
A. How
B. What time
C. What
D. Which
下列除哪项外可见于疟疾发作
A.寒热往来有定时B.发热往来无定时C.剧列头痛D.口渴E.多汗