五气之“湿”属于
A.木B.火C.土D.金E.水
参考答案:C
Our English teacher is ill, and we are all ______ her health.
A.concerned about
B.careful of
C.grateful for
D.calm down
螺纹联接时应注意使用()的拧紧力矩。
A.较大
B.合适
C.较小
D.最大