根据《注册监理工程师管理规定》,在每一注册有效期内,注册监理工程师继续教育的必修课为()学时。
A.24
B.36
C.48
D.60
参考答案:C
It ________ we had stayed together for a couple of weeks _________ I found we had a lot in common. [ ]
A. was until; when
B. was until; that
C. wasn't until; when
D. wasn't until; that
每立方米空气中饱和水分含量及对应的饱和水蒸气压力仅与温度有关,温度越高饱和水分含量()
A.越大
B.越小
C.不变
D.无法比较