采用IEEE 754单精度浮点数格式表示-65.25,对应的机器数用十六进制表示是()H。
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(2009.12)We must find a way to cut prices ________ reducing our profits too much.
A. without
B. despite
C. with
D. for
(2009.12)She didn’t know ________ to express her ideas in English clearly in public.
A. which
B. why
C. what
D. how
(2009.12)________ the weather improves, we will suffer a huge loss in the tourist industry.
As
B. Since
C. While
D. Unless
(2009.12)We are happy at the good news ________ Mr. Black has been awarded the Best Manager.
A. that
B. which
C. what
D. whether