根据句意及汉语提示写出单词。
1. I'm sure that most students will ________ (成功) in passing the chemical examination.
2. Don't talk loudly in class, or you'll be ________ (惩罚).
3. They had to ________ (取消) the spots meeting because of the heavy rain.
4. In general, germs are so ________ (微小的) that we can't see them with our eyes.
5. If you turn on the TV. "Animal World" will appear on the ________ (屏幕).