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【判断题】
The detective’s late arrival at the Duke’s suite was purposeful so that he could avoid being discovered. ( )
A.
正确
B.
错误
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The correct result of the molecular mass calculation for H2SO4 is __. 4 错误 15.9994 + 32.066 + 2 错误 1.0079
A.
98.08
B.
98.079
C.
98.074
D.
98.838
E.
98.84
【单选题】There are ____ significant figures in the answer to the following computation: (29.2 – 20.0) (1.79 错误 105)/1.39
A.
1
B.
2
C.
3
D.
4
E.
5
【单选题】判断char变量ch是否为大写字母的正确表达式是：( )
A.
‘A’<=ch<=’Z’
B.
(ch>=’A’) & (ch<=’Z’)
C.
(ch>=’A’) && (ch<=’Z’)
D.
(‘A’<=ch) AND (‘Z’>=ch)