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问题 单项选择题

从所给的四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性（）

A．A

B．B

C．C

D．D

答案

参考答案：D

解析：

图中第一幅图是一个圆，表示一个封闭空间，依次，有2、3、4个，第5副图就是要找出相应有5个封闭空间，D项符合。故选D。

阅读理解

阅读下面短文，按照要求回答问题。

     This is a boy. His name is Tom. He has a nice cat. It is an English cat. His friends are Lucy and Mike.

They have cats, too. Their names are Mimi and Maomao. They are Chinese cats. The English cat is five.

The Chinese cats are three. They like their cats.

     Today they can't find the English cat and the Chinese cats. They ask an old man, "Where are our cats?" "I don't know." he says. "Are they in the tree?" Tom and Mike ask. "Listen, listen!" Lucy says. "Miaow,

miaow..." "Oh, over there." They go to the tree, and carry (抱) them down.

根据短文内容判断对错，对的选择A，错的选择B。

1. Lucy has a good English cat.

2. Tom has two friends.

3. The English cat is three and the Chinese cats are five.

4. Tom and his friends have three cats.

5. The cats are in the old man's house.
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填空题

按要求各写一个生成二氧化碳的化学方程式：

（1）化合反应：______；

（2）分解反应：______；

（3）其他反应______．
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