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【单选题】
17-15.将某8位二进制的低4位清零,高4位保持不变,下列操作正确的是( )A.
将其和11110000进行与运算
B.
将其和00001111进行与运算
C.
将其和11110000进行或运算
D.
将其和00001111进行或运算
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反馈参考答案：
举一反三
【简答题】在素描纸上绘制完成教材38、39页上的简笔画
【单选题】She will spend a lot of money _______ abroad.
A.
to study
B.
study
C.
on studying
D.
in studying
【单选题】Why does the professor say this:
A.
To find out if the student can return at a later time.
B.
To express that she is in the middle of something.
C.
To indicate that she has time to talk with the student.
D.
To discourage the student from staying for too long.
【单选题】She will spend a lot of money ______ abroad。
A.
to study
B.
study
C.
on study
D.
in studying
【多选题】Listening again to Adam Evans, a promotions manager, and Harriet Barber, an environmental consultant, choose the points best answering the following question. Does Harriet express any of the ideas bel...
A.
Be confident of your value to the organization.
B.
Behave in a friendly way.
C.
Don ’ t pretend to be someone you aren ’ t.
D.
Find out about the organization in advance.
E.
Get to know people in the organization.
F.
Work with the company in advance.
【多选题】1959年7月14日庐山会议期间，彭德怀给毛泽东写信着重指出“大跃进”存在严重问题和突出矛盾，并强调犯错误的主观原因是
A.
犯了不够实事求是的毛病
B.
小资产阶级的狂热性
C.
超越社会发展阶段
D.
对主要矛盾认识不清
【简答题】Text A, in the third and fourth paragraphs, there are two sentences: "It was ,like, whoa." and "and that was that." Think about them and find out what the author wants to express.
【简答题】2-3-2请列举开路电压Voc和短路电流isc的求解方法?
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