干热灭菌法规定180~200℃灭菌需
A.2h~4h
B.0.5h~1h
C.3h~5h
D.1h~2h
E.3h~4h
参考答案:B
--Where is your father?
---- He _____ Australia and he _____ Sydney for two weeks.
A.has been to; has been in
B.has gone to; has been in
C.has been in; has been to
D.has gone to; has been to
根据《证券公司监督管理条例》规定,证券公司从事证券资产管理业务、融资融券业务,应当了解客户的()。
Ⅰ.收入状况
Ⅱ.风险偏好
Ⅲ.身份
Ⅳ.证券投资经验
A.Ⅲ、Ⅳ
B.Ⅰ、Ⅳ
C.Ⅰ、Ⅱ、Ⅲ、Ⅳ
D.Ⅰ、Ⅱ、Ⅲ