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)