把方程(2x+1)(x-3)=x2+1化成一般形式为______.
方程(2x+1)(x-3)=x2+1
2x2-6x+x-3=x2+1
x2-5x-4=0.
He always talks _______ he had been to outer space.
A.like
B.as if /though
C.because of
D.as
假如你是陈华,你们学校附近几家小商店近期流行“校园 * * ”。学生花五毛钱就可以摸一次奖,许多同学痴迷于此,有的省下生活费,甚至借钱去摸奖。
请你将以上现象向China Daily反映并从学校与政府两方面谈谈如何制止这种现象。
注意:1.开头和结尾已给出,不计人总词数;
2.词数:100左右;
3.参考词汇: * * lottery ticket。
Editor,
Recently several small shops around our school have started a new business called “schoolhhlottery”.__________________________________________________________