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- 2how interesting the story is!改成同义句 there is little water in the glass.(改成反义疑问句)
- 3已知xy^2=-3,求-xy(x^3y^7-3x^2y^5-y)的值
- 4Would you like to tell me something about robots?答句是什么
- 5Last night he ____hard andfinished __at 12.00
- 6“氢原子与氯原子间既可形成离子键又能形成共价键”.这句话对吗?为什么
- 7Su Hai and Su Yang wants to take some phones改为否定句,一般疑问句,否定回答,肯定回答
- 8.已知 2X²+X
- 9用一种试剂鉴别硫酸铵、氯化铵、氯化钡、硫酸钾四种溶液,这种试剂是?
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