鲁 0712.They _______two free tickets to Canada,otherwise they’d never have been able to afford to go.A.had got B.got C.have got D.get15.The book waswritten in 1946,_______ the education system has witnessed great charges.A.when B.during which C.si
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鲁 07
12.They _______two free tickets to Canada,otherwise they’d never have been able to afford to go.
A.had got B.got C.have got D.get
15.The book waswritten in 1946,_______ the education system has witnessed great charges.
A.when B.during which C.since then D.since when
A,D
对吗?你的疑惑是什么.
一个面积为4000cm^2的袋子受到的大气压力为______,这相当于_______t水所受的重力
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求解英语选择Don’t you remember ______ to our president when you went to the university last year?He shook hands with you.A.to be introduced B.being introduced C.introduced D.introducingThis machine needs a _______t to feed parts and component
高一验证牛顿第二定律有一个问是这样的:细线对木块的拉力T=_______T=mg-ma=mg-m[(s4+s5+s6)-(as1+s2+s3)]/9(T0^2)第一问已经算出了木块的加速度a=[(s4+s5+s6)-(as1+s2+s3)]/9(T0^2)这是公式,是毫无疑问的啦,
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They.,did they?(造句)
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急)一根导线长0.2m,通以3A的电流,在磁场中某处受到的最大的磁场力是6*10^-2N一根导线长0.2m,通以3A的电流,在磁场中某处受到的最大的磁场力是6*10^-2N,则该处的磁感应强度B的大小是_______T.如果
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