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【单选题】
关于二进制算术运算，下列说法不正确的是 。A.
二进制算术运算可以用逻辑运算来实现；
B.
二进制算术运算的符号位可以和数值位一样参与运算并能得到正确的结果；
C.
二进制算术运算的符号位不能和数值位一样参与运算但能得到正确的结果；
D.
前述说法有不正确的。 �到正确的结果；
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举一反三
【单选题】The visitors lost their way in the forest ; made things worse. was that it began to rain.
A.
that
B.
which
C.
who
D.
what
【单选题】Whi ch one is not a good way of giving compliment?
A.
Back up your compliment.
B.
Ask a question with your compliment
C.
Use more flattery.
D.
Make your compliment specific.
【单选题】______ that the way people spend their holidays has changed a great deal in the past ten years.
A.
Which is reported
B.
What is reported
C.
As is reported
D.
It is reported
【单选题】. This is a reading room, boy, you must act in the way______ won’t disturb others.
A.
in which
B.
it
C.
which
D.
as
【单选题】Studying abroad, the boy was exposed to a way of life_________he was not at all fanmiliar.
A.
with which
B.
to which
C.
for which
D.
of which
【单选题】关于商务场合坐姿,以下哪种是正确的坐法?
A.
女士穿裙装时膝盖分开或将两腿绕在一起
B.
入座太浅，身体僵硬
C.
女士穿裙装入座时要用双手轻拢裙后摆，然后再坐下。
D.
采用比上司更随意或更夸张的坐姿
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