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【单选题】
Which satatement is not correct about the Imperial Examination?A.
The Imperial Examination lasted more than 1300 years from the Tang Dynasty to the late Qing Dynasty.
B.
The examinations consisted of a battery of tests administered at the district, provincial, and imperial levels.
C.
The examination system served to maintain cultural unity and consensus on basic values.
D.
The Imperial Examination was an examination system in Imperial China designed to select talented people for future positions in civil service.
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举一反三
【简答题】Listen to the recording and finish the dialog.
【简答题】Listen to the dialog and mark the statements T or F.
【简答题】为什么谐振功放通常工作于乙类或丙类状态?它们的谐振回路起什么作用?
【单选题】Listen to the dialog and choose the best answer
A.
A house guest
B.
A housekeeper
C.
An electrician
D.
A construction worker
【简答题】There are two ways to present the words spoken by the characters: direct dialog and ___dialog.
【单选题】直径为d的实心圆轴，两端受扭转力矩作用，轴内最大剪应力为τ，若轴的直径改为2D，则轴内最大切应力变为（ ）。
A.
τ /16
B.
τ /4
C.
τ /2
D.
τ /8