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【简答题】
晶体管的输入特性是指以 为参变量时,基极电流 i B 和 之间的关系。
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举一反三
【简答题】第三部分阅读理解（共两节，满分25分） 第一节（共10小题；每小题2分，满分20分） Research has shown that music has an important effect on one’s body and psyche (心灵). In fact, there is a growing field of health care known as music therapy,...
【简答题】防腐剂特别适用于含吐温类液体药剂的防腐。
【单选题】You ______ the project by now.
A.
are supposed to finish
B.
supposed to finish
C.
are supposed finishing
D.
are supposed to have finished
【简答题】第三部分 阅读理解（共两节，满分40分） 第一节（共15小题；每小题2分，满分30分） It was getting dark when Lisa was returning from teaching out in a small community. She’d been traveling the same route for over a year and there was seldom...
【简答题】第三部分: 阅读理解 (共两节，满分40分) 第一节（共15小题；每小题2分，满分30分） In the United States, it is not usual to telephone someone early in the morning. If you telephone early in the day, while he is shaving or having breakfas...
【简答题】第三部分阅读理解（共两节，满分40分） 阅读理解（共15小题，每小题2分，满分30分） A Good health is the most valuable thing a person can have, but one cannot take good health for granted（认为……理所当然）. It is important to remember that the body...
【单选题】You to make noise while eating noodles. [ ]
A.
aren’t supposed
B.
are supposed not
C.
are supposed
D.
aren't supposing
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