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What does your father do in the evening? He usually ____?____.A.watch TV B.exercises C.read books请问
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啊?
英语
幼儿园有熊猫、猴子、小狗三种玩具,如果每个小朋友从中选两个玩具,那么至少要几个小朋友来选,才能保证有两个小朋友选的相同?为什么?抽屉原理好难啊,
数学
幼儿园有熊猫、猴子、小狗三种玩具,如果每个小朋友从中任选两个玩具,那么至少要几个小朋友来选·····幼儿园有熊猫、猴子、小狗三种玩具,如果每个小朋友从中任选两个玩具,那么至少
数学
I wonder if he ( )ask his brother for help.A、need..B.needs C.need toD.ought应该
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?请说明一下理由,
英语
下题选那一个,并说明理由The boy actce ----he had never lived in Canada before A as though B even if C as D since 选那一个,并说明理由
英语
下面题选那一个,并说明理由Jane's uncle insisted ____in this hotel any longer.A not staying B not to stay C that he not stay D staying not
英语
当x=-2时,代数式px的3次方+qx+1的值等于2012,那么当x=2时,代数式px+qx+1的值为多少?错了,当x=-2时,代数式px的3次方+qx+1的值等于2012,那么当x=2时,代数式px的3次方+qx+1的值为多少?四个选项A.2010 B.-201
数学
.2013 D.-2013还
Something must have happened on their way here,or they _____ by now.1.should have arrived 2.should arrive 3.would have arrived 4.would
英语
arrive 这道题的答案到
若向量组a1,a2,a3是线性方程组的基础解系,那么与其等价的向量组是否也是其基础解系?.已知h1,h2,h3,h4是齐次线性方程组Ax=0的一个基础解系,则此方程组的基础解系还可以选用( )A.h1+h2,h2+h3,h3+h4,h4
数学
h3-h4,h4-h1C.与
The girl has learned to play the piano,but she can play a complete music.A.hardly B.nearly C.probably要解析 为何
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答案 ABC是填在she can 后面的
英语
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