oral English class representative
am the representative of oral lesson.
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- 1-We could have walked to the station;it was so near.
- 2证明函数f(x)=-2x+1在R上是减函数.
- 3是不是震动的频率越高声音就越大?
- 4不,它不是我的.用英语怎么说?
- 5买甲乙两种练习本共210本,甲种练习本每本3元,乙种练习本每本4元,两本练习本用去的钱数相同,甲种练
- 6Then they will have to bo on ( ) the busy woyk. A.to B.for c.with D.form
- 7Jiang li is chinese.改为同义词怎么改?He is a student.改为复数形式怎么改?
- 8淬火钢在回火时,随着回火温度的升高,其机械性能变化趋势是?
- 9Kate d( ) go to school by bike.She goes to school by bus .
- 10一项工程,甲队单独完成需20天,乙队单独完成需要30天,丙队单独做15天完成.如果三队合做,几天能完成