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【单选题】
在美国,美元对英镑按( )计价。A.
直接标价法
B.
间接标价法
C.
美元标价法
D.
应收标价法
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举一反三
【多选题】How has the boy’s question affected the writer?
A.
It helped the writer realize that he is rich in many ways.
B.
It helped the writer rethink about his life.
C.
It helped the writer understand more about the boy.
D.
It helped the writer cherish his tangible and intangible good fortune.
【简答题】How has the boy's question affected the writer?
【单选题】用电表测量市电电网电压为210伏，该电压的振幅值为 伏，它的变化周期为 。
A.
220 ， 50Hz
B.
210 ， 20ms
C.
220 ， 314rad ／ s
D.
220 ， 50Hz
【简答题】句型转换。 小题1:The boy has been to the U.S.A. twice .（对画线部分提问） How ___________ ___________ has the boy been to the U.S.A.? 小题2:Mom felt tired after she cooked for the whole family.（改为简单句） Mom felt tired af...
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