◎ 题干
Doing experiments can be interesting, and you may try the following experiments at home. Make sure that you’ll do them with an adult.

小题1:How many experiments are there in the pictures?
A.Six.B.Five.C.Three.D.Two.
小题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, cB.a, c, bC.b, a, cD.c, a, b
小题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.
小题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n多题专家分析,试题“Doing experiments can be interesting, and you may try the following experiments at home. Make sure that you’ll do them with an adult.小题1:How many experiment…”主要考查了你对  【广告布告类阅读】【科教类阅读】【历史文化类阅读】【健康环保类阅读】  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。