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【多选题】
能耗制动时融入的直流电流越大则A.
产生的恒定磁场越强
B.
制动转矩越小
C.
制动转矩越大
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举一反三
【单选题】If you take________ risk of not wearing a seat belt, you are at ________ risk. [ ]
A.
the ; /
B.
/; /
C.
/; the
D.
the ; the
【单选题】Wearing a seat belt in a vehicle ______.
A.
reduces road accidents to more than half
B.
saves lives while driving at a speed up to 30 miles per hour
C.
reduces the death rate in traffic accidents
D.
saves more. than 15 000 lives each year
【简答题】Wearing a seat belt in a vehicle ________. A) reduces road accidents by more than half B) saves lives while driving at a speed up to 30 miles per hour C) reduces the death rate in traffic accidents D)...
【简答题】购入交易性金融资产支付的交易费用，应该计入交易性金融资产的成本中。（ ）
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