2014年3月9日，江苏省政府签署了义务教育均衡发展备忘录，着力推进义务教育学校标准化建设，均衡配置教师、设备、图书、校舍等资源，逐步缩小义
－We’ll go for a picnic if it__________ this Sunday. －Wish you a lovely weekend. A. rain B. doesn’t rain C. won’t rain
已知是二元一次方程组的解，则m﹣n的值是（ ） A． 1 B．2 C．3 D． 4
选做题：从甲、乙两题中选做一题，如果两题都做，只以甲题计分。题甲：已知关于的方程的两根为、，且满足.求的值。 题乙：如图12，在梯形ABCD中
— Can you lend me your bike? — Yes. But you can only ________ it for one day. Because I’ll ride it to school the day after tomorrow. A. borrow B. to lend
I really think that people should __________ rivers to protect our environment. A. be prevented from polluting B. prevent from polluting C. be prevented to pollute
=__________________. 