搜题
王老师:19139051760(拨打)
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第1题

(单项选择)Childreare encouraged to put ______ some of their pocket money to buy Christmas presents for the poorer ones.
·
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第2题

(单项选择)The collapse of the World Trade Centre has put U.S. economy ia difficult ____________.
·occasion
·case
·s
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第3题

(单项选择)– How about going to see a film tonight–
·Oh, it couldn’t be better.
·Yes, I will go.
·Of course.
·Yes
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第4题

电流源isc(I)=8cost A与电阻R。=29并联单口网络向外传输的最大平均功率为( )W。
·4
·8
·16
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