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【判断题】
N型半导体带负电，P型半导体带正电。A.
正确
B.
错误
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【简答题】液相色谱中的示差折光检测器与紫外、荧光检测器不同，是通用型检测器。但它灵敏度低、易受温度和流速影响，而且不能（）等等。
【单选题】_______ money, she is quite rich. However this does not mean that she is happy.
A.
Concerning
B.
In terms of
C.
As to
D.
In the light of
【单选题】The little girl is not quite confident ______ her ability to go to a key university and she is very sensitive _____ everything concerned with it. [ ]
A.
of; of
B.
in; to
C.
of; with
D.
about; to
【单选题】Which of the following is true about Oprah Winfrey?
A.
She is not straightforward with her audience.
B.
She prefers fashionable and exciting topics.
C.
She is not quite successful as a talk show host.
D.
She is less annoying than those who slander others.
【单选题】She is quite rich______money. However, this does not mean that she is happy.
A.
in spite of
B.
in favor of
C.
in terms of
D.
in case of
【单选题】______ money, she is quite rich. However, this does not mean that she is happy.
A.
Concerning
B.
As to
C.
In terms of
D.
In the light of
【简答题】She is learning to play golf because she wants to play with her friends. True or not? Why? She is learning to speak French at the moment. True or not? Why? She is learning driving at the moment, and s...
【单选题】现代船用柴油机的结构特点有( )。I.活塞环数量减少 II.燃烧室部件采用“薄壁强背”结构 III.低速机采用焊接式整体曲轴 IV.中速机采用锻造整体曲轴 V.中速机普遍采用倒挂式主轴承 VI.低速机气缸盖采用锻造结构
A.
Ⅰ＋Ⅱ＋Ⅳ＋Ⅵ
B.
Ⅰ＋Ⅱ＋Ⅲ＋Ⅴ
C.
Ⅲ＋Ⅳ＋Ⅴ＋Ⅵ
D.
Ⅰ＋Ⅱ＋Ⅲ＋Ⅳ＋Ⅴ＋Ⅵ
【单选题】The little girl is not quite confident ____ her ability to go to a key university and she is very sensitive _____ anything concerned with it. [ ]
A.
of; of
B.
in; to
C.
of; with
D.
about; about
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