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【单选题】
下列模 / 数转换器中转换速度最快的是 ( )A.
逐次渐近型
B.
双积分型
C.
并联比较型
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反馈参考答案：
举一反三
【单选题】When _______cruel man was hurting the children, there were no adults around who were able to stop______hurting.
A.
the, the
B.
the, 不填
C.
a,不填
D.
a, a
【简答题】翻译下面的句子。 The man his sight in the accident. The children were out of sight. They run away. There were no more mountains in sight.
【简答题】冷风机按照冷却空气采用的方式分有( )、( )、( )几种形式。
【单选题】The children were suffering from ______ because they had no one to look after them.
A.
ignorance
B.
illiteracy
C.
disregard
D.
neglect
【简答题】对称的形体需画剖视图,可以( )为界,一半画视图(外形图),一半画剖面图。
【单选题】The children were catching butterflies in the garden. Some caught a lot, and others caught _______at all.
A.
nothing
B.
none
C.
no one
D.
neither
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