| 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. |
题型：阅读理解 难度：中档
据专家权威分析，试题“阅读理解。 Doing experiments can be interesting, and you may..”主要考查你对 科教类阅读 等考点的理解。关于这些考点的“档案”如下：
科教类阅读
