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【多选题】
直流稳压电源由变压器、 电路、滤波电路、 电路组成。A.
整流
B.
稳压
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【简答题】A healthy relationship with your boss is essential to your career growth and courtesy will keep it on track.(翻译)
【单选题】（ ）means that the shipowner provides a designated manned ship to the charterer,and the charterer employs the ship for a specific period against payment of hire.
A.
Voyage chartering
B.
Time chartering
C.
Bareboat chartering
D.
Contract of affreightment
【单选题】( )means that the shipowner provides a designed manned ship to the charterer, and the charterer employs the ship for a specific period against payment of hire.
A.
Voyage chartering
B.
Time chartering
C.
Bareboat chartering
D.
Contract of affreightment
【简答题】( ) means that the shipowner
provides a designated manned ship to the charterer, and the charterer employs
the ship for a specific period against payment of hire.
【单选题】What should you do if your boss is arriving late?
A.
Comfort him and ask him to look for another hotel.
B.
Inform the front desk of the hotel that your boss is arriving late.
C.
Reserve the rooms on line again.
D.
Help him to cancel the reservation.
【单选题】辅酶与辅基的区别是（ ）。
A.
辅酶参与酶反应，辅基则不参与
B.
辅酶与酶共价结合，辅基则不是
C.
辅酶含有维生素成分，辅基则不含
D.
辅酶为小分子有机物，辅基常为无机物
E.
经透析方法可使辅酶与酶蛋白分离，辅基则不能
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