①孩子们不懂得自己的路自己走
②自己不够清正廉洁
③孩子们缺乏自立精神
④自己没有完成修桥的志向
A:①③
B:②④
C:①②
D:②③
2010+2009﹣2008﹣2007+…﹣4﹣3+2+1.
找出所给问句的对应答语。
①Can I help you? ____ A. I'd like some oranges.
②What do you need? ____ B. Three.
③How many books do you want? ____ C. Yes, I think so.
④Is that all? ____ D. Yes, I need some milk.
⑤What would you like? ____ E. I need some fish.
计算:﹣12﹣29+50+|﹣3|.