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【单选题】
完成某分离任务需要理论板数为N=7(包括再沸器),若 E T =50%,则塔内需要的实际板数为( )。
A.
14
B.
10
C.
12
D.
无法确定
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参考答案:
举一反三
【判断题】导游人员在讲解过程中提出问题,让旅游者猜想,但并不期待他们的回答,只是为了吸引他们的注意力。
A.
正确
B.
错误
【单选题】Will chips one day be planted in our bodies for identification? A US doctor has planted under his skin a computer chip (芯片) that can send personal information to a scanner(扫描仪) ,a technology that may ...
A.
catch escaped prisoners
B.
find missing children
C.
follow lost animals
D.
treat sick people
【单选题】For example, whether a person is “one of us” or “one of them” will determine which ____ will be used.
A.
sentence structure
B.
sentence pattern
C.
conversational greeting
D.
conversational style
【简答题】(1) Observe a child; any one will do. You will see that not a day passes in which he does not find something or other to make him happy, though he may be in tears the next moment. Then look at a man; ...
【单选题】《活人的记录》 与什么主题有关?()
A.
战后经济萧条,民不聊生
B.
启蒙者与大众的对立
C.
青春梦想的破灭
D.
原子弹爆炸留下的阴影
【简答题】to the use of methods from which will give us full use of our 6.__________ resources without destroying them. The job may be a long one,
【简答题】基于SSL协议的银行卡支付的业务流程是什么这种支付方式具有哪些特点
【单选题】氨基酸的结构特点是分子中同时具有( )
A.
氨基和羟基
B.
羧基和氨基
C.
羟基和羧基
D.
羟基和羰基
【单选题】Will chips one day be planted in our bodies for identification? A US doctor has planted under his skin a computer chip that can send personal information to a scanner(扫描仪), a technology that may somed...
A.
catch escaped prisoners
B.
find missing children
C.
follow lost animals
D.
treat sick people
【单选题】氨基酸的结构特点是分子中同时具有( )。
A.
氨基和羟基
B.
羟基和羧基
C.
羟基和羰基
D.
羰基和氨基
E.
羧基和氨基
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