China is a country with a rich culture in calligraphy(书法).1computers are everywhere in our life, Chinese people should not2the skill of writing with hands.

    Now the computer can help people to write. People are3computers more often than before. So many people are forgetting how to4Chinese characters(汉字). People often make a lot of mistakes in handwriting.

    Today, China is trying to help students and teachers to5their handwriting. We6that teachers can write well_7the blackboard and students can write well on their exercise books, too. Teachers should make their teaching plans and students should_8their homework by writing with their9. We are sure our handwriting can become10and better in this way.

列宁指出：“聪明的唯心论比愚蠢的唯物论更接近聪明的唯物论。聪明的唯心论即辩证的，愚蠢的即绝对的、不发展的。”对这一论断理解正确的是（    ）

①聪明的唯心主义对人类认识的发展具有借鉴意义

②愚蠢的唯物论在世界的本原问题上是根本错误的

③聪明的唯心论聪明在把客观精神看作世界的本原

④愚蠢的唯物论是指机械的和形而上学的唯物主义

①实验室制取二氧化碳应选用的气体发生装置是____收集装置是____（不选F）

②使用长颈漏斗的好处是____

③长颈漏斗伸入液面以下的原因是：____

④常用二氧化碳作灭火剂的原因是①____②____．

呼吸时，体内进行气体交换的原理是（　　）

    It is a rainy (阴雨的) day. A train stops at a small ____. A man is on the train and he feels hungry (饥饿的). He looks out of the window (窗) and sees a shop. A woman is ____ cakes in the shop and the cakes look ____. The man wants to ____ a cake, but the shop is a little (有点) ____ from the train. The man doesn't want to walk in the rain. Then he sees a boy. The boy is about five ____ old. He's playing near the window. "Come here, boy!" says the man, "Do you know how ____ the cake is?" "One dollar for one." says the boy. The man gives the boy two dollars and asks him to buy ____ cakes. "One is for you and the ____ is for me," he says to the boy.

    After some time, the boy comes back. He's eating a cake. He ____ the man one dollar. "Sorry, there is only one cake left (剩余). I eat the cake and here is one dollar back," says the boy.