化学知识在帮助人类抵御自然灾害时报起着非常重要的作用．4月14日青海玉树县发生7

Some students think it d__小题1:___ to learn English well. That’s b__小题2:__ they don’t find the right way. I think r__小题3:___ is very important for students. The more you read， the b__小题4:__ you’ll understand. Reading is helpful to listening, speaking and writing.

If you often read English aloud, you’ll improve(提高) your listening. On the other hand（另一方面）, listening a lot can h__小题5:____ you to read better. Reading English everywhere when you are f_小题6:__, if you wish. You can get a lot of knowledge（知识） when you read. Sometimes you need to s_小题7:__ your ideas, you can either speak or write. That means you are using w__小题8:__ you learned from reading. The same as Chinese, the more you read, the better you can write. If you want to r__小题9:__ something, you should read again and again. So from now on, you’d better do more reading. It’s a good w__小题10:__ to learn English well.

“车漫漫，路漫漫，握好手中方向盘；情相伴，爱相伴，绷紧交通安全弦。”这样一批充满温馨话语的新式交通提示牌取代了传统的“禁止”、“限制”等冷性、强制性词句的交通提示牌，这一细节的变化让人们倍感轻松。这说明[ ]

A．我国政府依法行政的能力不断提高

B．我国人民民主具有广泛性和真实性

C．我国交通公共文化设施正在逐步完善

D．我国政府履行职能坚持以人为本

合纤婴儿外衣、雨衣、滑雪装

渐开线直齿圆柱齿轮的啮合条件是什么？