题目

Keeping pace with teachers is a fine way to study English. Teachers are experienced and their plans are systematic. But remember to work in a way that suits you. It's important to learn from past mistakes as well. Keep a notebook to make a record of the mistakes you make－it'll help you avoid making the same ones later. The time of life may be hard，but you're not alone. You may be busy studying，but you can show your care by calling your friends or sending short messages. Don't let your friendships die. It's as important to live well as it is to study well. Going to bed no later 用性引诱剂杀灭农业害虫是利用( )A. 昆虫的取食行为 B. 昆虫之间的通讯C. 昆虫的学习行为 D. 昆虫的迁徙行为