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【判断题】
在太阳辐射光谱中,主要引起热的变化的光是红光 。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】某一对流干燥流程需一风机:(1)风机装在预热器之前,即新鲜空气入口处;(2)风机装在预热器之后。比较(1)、(2)两种情况下风机的风量VS1和VS2,则有( )。
A.
VS1=VS2
B.
VS1>VS2
C.
VS1
D.
无法判断
【单选题】The graduate committee must be in full accord in their approval of a dissertation. The underlined part means ______.
A.
indecisive
B.
arguable
C.
vocal
D.
unanimous
【简答题】地转风公式适用于:空气( )运动
【单选题】The chapter in question __________ .
A.
mainly deals with the ways of dissertation writing
B.
presents information on publishing papers in professional journals
C.
introduces some library services
D.
describes some professional meetings
【单选题】All the references she has obtained for her doctoral dissertation ______ about twenty items.
A.
make up for
B.
add up to
C.
come up with
D.
put up with
【简答题】试述 宪法修改的必要性
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