手洗显影液的pH值一般要求在
A.2~3
B.4~6
C.7~8
D.9~11
E.12~13
参考答案:D
解析:手洗显影液的pH值一般要求为9~11。
—I'm late. You know the traffic was so heavy.
—Well, do you think I will believe the same old excuse? ________![ ]
A. Never mind
B. No way
C. No problem
D. Forget it
明朝君主专制空前加强,下列不属于这一表现的是[ ]
A.迁都北京
B.废丞相,设三司
C.八股取士
D.设置厂卫特务机构