3 . 电视和电灯等电器可以自动开关。
Electric appliances like TV sets and lights can ________________.

4 . 选词填空

switch off/on     early on     catch fire     in this sense (in...sense)     keep in touch (with...)     keep track of     hang out with     on the one hand...on the other hand...     put one’s mind at rest   daily routine

1. ________________，I don’t think what he said just now is relevant to the essay.
2. On the one hand，it brings us great profits. ________________，it has a bad effect on the environment.
3. Electronic timers automatically ________________ the lights when it gets dark.
4. My father persuaded me to ________________ those who could inspire me to make great efforts，and his constant encouragement also put my mind at rest.
5. That wooden house on top of the hill ________________ because it was hit by lightning.

5 . 选词填空

switch/turn on, on reflection, miss out, rely on, in contrast to, in control of

1. ________ their brothers, the girls were both intelligent and charming.
2. In his spare time, he either listens to soft music to relax himself or ________ the TV to watch news.
3. Don’t ________ going abroad for our holiday;we may not be able to afford it.
4. By setting goals you are ________ your life. It’s like having a map showing you where you want to go.
5. At the time I thought the plan was not practical, but ________ I decided I had been wrong.

6 . 重点短语
1. ________ 说服某人做某事
2. ________ 打开
3. ________ 经再三考虑; 反思
4. ________ 忙于
5. ________ 遗漏;失去(机会)
6. ________ 因……分心，被……分散注意力
7. ________ 了解清楚;核实
8. ________ 认输
9. ________ 享受不到;无法使用
10. ________ 远离
11. ________ 用到极限
12. ________ 的障碍
13. ________ 与……形成对比
14. ________ 控制
15. ________ 节省;储蓄，储存

9 . After dinner, we often switch _______the TV to watch the news, then switch ___________football games. At 10 o’clock we switch ______the TV and go to bed. (用适当的词填空)

10 . 选词填空

switch on, the amount of, have a role in, do one’s part, under threat, be urgent to do

1. It is recognised that ________________ sleep we need varies from person to person.
2. Wildlife is ________________ and the conservation of them is necessary.
3. The activity ________________ be organised, so it can’t be delayed.
4. Please ________________ the radio to hear the news presentation and weather forecast.
5. Teachers must ________________ to motivate their students.
6. Education can ________________ decreasing the crime rate.