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【单选题】
对如图所示的热力学循环过程，以下描述错误的是【 】【图片】A.
该循环为正循环
B.
若 PbVa=PaVc ，则状态 b 和 c 温度一定相等
C.
bc 过程可能为绝热过程
D.
ab 、 bc 、 ca 均为准静态过程
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【单选题】He has made another wonderful discovery, ______ of great importance to science.
A.
which I think it is
B.
of which I think it is
C.
I think which is
D.
which I think is
【单选题】He has made another wonderful discovery, ______ of great importance to science and man.
A.
which I think it is
B.
which I think is
C.
of which I think it is
D.
I think which is
【简答题】A．He is dry and boring. B．He is wonderful. C．He knows his subject well. D．He has a sense of humor.
【单选题】He has made another wonderful discovery, _____ I think is of great importance to science. [ ]
A.
which
B.
what
C.
when
D.
that
【单选题】He has made another wonderful discovery, ______of great importance to science and man.
A.
which I think is
B.
which I think it is
C.
of which I think it is
D.
I think which is
【简答题】在Visual Basic中,字符串常量要用________括起来。
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