资源简介

2026年春期九年级中招模拟训练
英语试卷（二)
(满分120分，含卷面分5分，时间100分钟)
一。
阅读理解(20小题，每小题2分，共40分)
阅读下面四篇语言材料，然后按文后要求做题。
A
Experiment(实验)
Tea Bag Hot-Air Balloon
Level of difficulty:easy
Time:10 minutes
How does a hot-air balloon work How does it fly in the air Learn about air
density (by making your own tea bag hot-air balloon.
Materials
●tea bag
●scissors
cup●plate
●natches
The Steps
1.Use scissors to cut open one side of the tea bag.Pour the tea leaves out of the bag into a
浆
cup.
2,Shape the tea bag into a cylinder(圆柱体)and stand it up on a plate,
3.Use a match to light the top of the tea bag.
The Hows and Whys
长
When air is heated,the air molecules (move around quickly and spread out.This
makes hot air rise because it is lighter than cold air.When the tea bag is lit,it heats up the air
inside and around it.Then the hot air lifts up the light tea bag.A hot-air balloon works the
same way.Heating up the air inside the balloon can make it fly above the ground.
Attention:Be very careful with fire and matches.Ask an adult for help when
you use them,and make sure you are in a fire-safe area.
根据材料内容选择最佳答案。
)1.Why do we need a plate
A.To place the matches on it.
B.To pour the tea leaves into it.
C.To use it to hold a cup of tea.
D.To let the tea bag stand up on it.
()2.Which of the following is used in the third step
(
)3.What lifts the tea bag
A.The plate that is under the tea bag.
B.The scissors that cut open the tea bag.
C.The hot air that is lighter than cold air.
D.The match that is used to light the tea bag.
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