Unit 5课堂练习题（一）
Lessons 25—27
Lesson 25
I.根据括号中所给的汉语用适当的词语填空。
1. The teacher is showing the ___________to the students.（实验）
2. Danny, are you good at _________?（科学）
3. You can __________ my words are correct sooner or later.（证实）
4. All the bottles are ____________ water.（装满）
5. You can try it in another ______________.（科学的方法）
II. 根据句子意思用适当的介词填空。
1. The students are talking _________ their experiment.
2. Do you know what will happen _________ in a hundred years?
3. Li Ming, do you know the girl ________ the red swimsuit?
4. Please do the experiment ________ the jar full.
5. They have no chairs to sit _________ now.
