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【判断题】
列管式换热器主要由壳体、管束、管板、折流板和封头等部件组成。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】It is reported that the scientists in our county are______all possible ways to control H1N1 flu.
A.
operating
B.
designing
C.
replacing
D.
exploring
【单选题】It is reported that people in the world are suffering from the H1N1 flu.
A.
several thousands of
B.
ten thousands
C.
several thousand
D.
thousands
【单选题】某消费函数如下图所示，则下列说法正确的是( )。
A.
A点表示可支配收入正好等于消费
B.
A点左边区域消费水平低于收入
C.
当收入为零时，消费也即为零
D.
A点右边区域存在居民储蓄
【单选题】It is reported that the scientists in our country are_______all possible way to control H7N9 flu.
A.
operating
B.
solving
C.
exploding
D.
exploring
【单选题】It is reported that people in the world are suffering from the H1N1 flu.( 泰安 )
A.
several thousands of
B.
ten thousands
C.
thousands of
D.
thousands
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