《2025年全优方案夯实与提高七年级英语上册外研版》

阅读短文,完成任务。
How do we put an egg into a bottle with a smaller opening? We can learn it in physics class. Let's do the interesting experiment and learn how it works.
◆What will we need?
An 1. egg, a bottle, a cup of hot water.
◆How do we do it?
①Boil the egg and then peel it.
②Pour the hot water into the bottle. (Picture 2. D)
③Shake the bottle to make it warm enough. Then pour out the hot water.
④Put the egg in the opening of the warm bottle. (Picture 3. A)
◆What will happen?
The egg is pulled into the bottle.
◆How does it work?
The hot water makes the bottle warm and the air in the bottle gets 4. warm, too. Hot air takes up more space than cold air. So as the air in the bottle goes back to room temperature, it gets smaller and so it 5. pulls the egg into the bottle. Isn't that interesting?
任务一:请在第 1,4,5 小题中填入适当的内容,完成该物理实验的操作和学习。(每空一词)
任务二:请从下列图中选择正确的图片,将图片选项填入第 2,3 小题的横线上。

答案： 任务一:1.egg 4.warm 5.pulls 任务二:2.D 3.A