BI005阀门强度试验时，其阀门应（），让中腔进水，整体试验。
A.全开
B.全关
C.半开半关
D.关闭
参考答案：C
---Hi, Peter. Tomorrow is Sunday. Would you like ______ with me?
---Yes. Thanks .
A．go swimming
B．to go swim
C．to go swimming
D．go swim
抑郁症（抑郁发作）有哪些临床症状？
