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【单选题】
Tom' s motor-cycle, ______ he goes to work every day, is often in the garage for repairs.A.
with which
B.
on which
C.
which
D.
from which
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【简答题】普通三角螺纹的牙形角为_____度,梯形螺纹的牙形角为_____度。
【单选题】According to the passage, what is the main task of 'executive coaching'?
A.
Teaching the executive skills they don't have before.
B.
Assisting executives to run their businesses.
C.
Making a series of rules for executives to manage their subordinates.
D.
Improving the team work of staff in the executives' organizations.
【简答题】普通三角螺纹的牙形角为 度。