◎ 题干
阅读理解。
    Doing experiments can be interesting, and you may try the following experiments at home.
    Make sure that you’ll do them with an adult.
1. How many experiments are there in the pictures?
A. Six.
B. Five.
C. Three.
D. Two.
2. The following are the instructions on how to do “Step 2” in these experiments. Which one is the right order?
a. Pour 3/4 of the water away.  b. Put a balloon on the bottle.
c. Put the bottle in a bucket of hot water. The air rises into the balloon.
A. a, b, c
B. a, c, b
C. b, a, c
D. c, a, b
3. What can you see in the bottle at last in Experiment A?
A. Some ice.
B. Some water.
C. Some ice and water.
D. A cloud and some water.
4. What will happen to the balloon in “Step 3” in Experiment C?
A. It will be bigger.
B. It will be broken.
C. It won’t change.
D. It will be in the bottle.
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“阅读理解。 Doing experiments can be interesting, and you may try the following experiments at home.Make sure that you’ll do them with an adult.1. How many ex…”主要考查了你对  【科教类阅读】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。