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- 1有适当的关联词练成一个句子.打电话联系工作办点事比较方便.打电话的时候要注意尽量地节约时间.
- 2语言的魅力阅读答案
- 34x-3y-6z=0,x+2y-7z=o,且xyz不等于0求3x+2y+z\x+2y+3z的值.
- 4We ought to (do)some housework for our parents.括号里的单词要改成什么
- 5.Jack was soon told _____ he did was not ne
- 6设P点在椭圆(X^2)/a^2+(y^2)/b^2=1(a>b>0)上任一点,F1,F2是椭圆的左右焦点,则F2点在角F1PF2的外角平分线
- 7已知ab≠0,求证:a+b=1的充要条件是a3+b3+ab-a2-b2=0.
- 8随着时间的推移,山市所呈现的景象发生怎样的变化呢/
- 9I don't know when I will come back改为同义句
- 10I like English best of all the subjects.=Of all the subiects,English is___ ___.