属于齐墩果酸型的化合物是()
A.人参皂苷Re
B.人参皂苷Ra1
C.人参皂苷R0
D.人参皂苷Rg3
E.人参皂苷Rb2
参考答案:C
酷暑劳动时可发生()
A.等渗性脱水
B.高渗性脱水
C.低渗性脱水
D.水中毒
E.水肿
I like that place of interest ______ we visited yesterday. [ ]
A. where
B. which
C. when
D. who