A. in
B. at
C. on
D. by
第1题:
A、in
B、for
C、during
D、at.
第2题:
A. Before
B. Former
C. Previous
D. foregoing
答案:C
解析:因为选项C, Previous 翻译成中文是“之前,前一个”的意思,加入到句子中,Professor Nelson said he had arrived on the previous night. 翻译成中文是“尼尔森教授说,他前一个晚上就已经到了”。所以应该选C。
第3题:
用 Born-Haber 循环可计算BN晶格能。
第4题:
If the period between twenty and thirty is the critical one in the formation of intellectual and professional habits, the period below twenty is more important still for the fixing of personal habits, properly so called, such as vocalization and pronunciation, gesture, motion, and address. Hardly ever is a language learned after twenty spoken without a foreign accent. Hardly, ever, indeed, can he even learn to dress like a gentleman-born. Hardly ever, indeed, no matter how much money there be in his pocket, can he eve n learn to dress like a gentleman-born.
第5题:
A.child
B.child#
C.child?
D.child*
第6题:
下面语句执行后,变量w中的值是____。 w=Choose(2 , "Morning", "Afternoon", "Day", "Night",)
A.Morning
B.Afternoon
C.Day
D.Night