皮皮学，免费搜题
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【多选题】
皮肤散热的方式包括A.
辐射散热
B.
传导散热
C.
对流散热
D.
蒸发散热
E.
呼吸散热
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反馈参考答案：
举一反三
【单选题】For the ac analysis of a transistor network, ( ) are replayed by an short-circuit equivalent
A.
capacitors and dc supplies
B.
only capacitors
C.
only dc supplies
【简答题】About 60 percent of the students ______ from the south; the rest of them from the north and foreign countries. A) are; is B) is; is C) is; are D) are; are
【单选题】About 60 percent of the rich Chinese people, each of ______ has a net asset (资产) of at least 60 million yuan, said they intended to move abroad [ ]
A.
who
B.
whom
C.
that
D.
which
【单选题】For most configurations the dc analysis begins with a determination of the ( ) current
A.
base
B.
emitter
C.
collector
【判断题】English is the official language of about 20 nations and the mother tongue of about 60 million people in the British Isles.
A.
正确
B.
错误
【单选题】信函外观最基本的要求是（ ） prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
封面美观
B.
纸质良好
C.
符合邮寄标准
D.
精心设计封面文字
【单选题】Which of the following makes up about 60 percent of the body’s weight?
A.
major minerals
B.
protein
C.
water
D.
trace minerals
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