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【单选题】
为便于LC振荡器起振,晶体管电流放大倍数(),反馈系数()。A.
越大越好 越大越好
B.
越小越好 越大越好
C.
越小越好 越小越好
D.
以上选项都不对
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反馈参考答案：
举一反三
【简答题】How did James Lee Witt improve FEMA?
【单选题】How did James Koster contribute to the community?
A.
By publishing a science journal
B.
By building great hotels
C.
By giving money for education
D.
By writing about the town' s history
【简答题】How did James Cook visit New Zealand?
【单选题】Recent studies have suggested that weight training ______.
A.
has become an essential part of people's life
B.
may well affect the health of the trainees
C.
will attract more people in the days to come
D.
contributes to health improvement as well
【简答题】In this part of the test you are asked to give a short talk o a business topic. You have to choose one of the topics from the two below and then talk for about one minute, you have one minute to prepa...
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