Ⅱ. Complete the sentences.
1. 电在我们的日常生活中扮演重要角色。
Electricity in our daily life.
2. 电器使我们的生活更加方便。
Electric appliances can make our life .
3. 但是，不恰当用电会造成危险。
However, using electricity improperly may .
4. 在开关电器之前，确保你的手是干的。
hands are dry before you or the electric appliances.
5. 如果电线破损了，则不应该打开电器。
You shouldn’t the electric appliances if the wire .

1. plays an important role
2. more convenient
3. cause danger
4. Make sure your; turn on; turn off
5. turn on; is broken

1. "扮演重要角色"对应固定短语"play an important role"，主语Electricity是不可数名词，谓语动词用第三人称单数形式plays。
2. "更加方便"用"more convenient"，make+宾语+形容词作宾补。
3. "造成危险"是"cause danger"，may后接动词原形。
4. "确保"是"Make sure"，句首首字母大写；"开关电器"对应"turn on"和"turn off"，before引导的时间状语从句用一般现在时。
5. "打开电器"是"turn on"，shouldn't后接动词原形；"破损了"用"is broken"，wire是单数，be动词用is。

Ⅲ. Writing.
请根据下面表格的内容提示，写一篇题为Using electricity safely的英语短文，说明电的重要性及危害，并介绍安全使用电器的注意事项，可适当发挥。（70词以上）

2. 使用电饭煲（rice cooker）时，必须保持锅的外表干燥

Using electricity safely
Electricity is very important in our daily life. It makes our life more convenient. However, electricity can be harmful or even cause fires. If we don't use it safely, it can be very dangerous.
To use electricity safely, here are some important tips. First, before switching on an electrical appliance, make sure your hands are dry. Second, when using a rice cooker, always keep the outside of the pot dry. Third, if you see that the electric wire is damaged, don't turn on the appliance.
By following these safety tips, we can use electricity safely and avoid accidents.

Ⅳ. Translation.
1. 不要忘记每天按时吃药。(on time)

2. 我每天花三小时做作业。(spend)

3. 片刻之后，我就把全班分成三组。(divide into)

4. 过了一会儿，他关掉了空调。(switch off)

5. 我准备好了回复他的信。(reply to)

1. Don’t forget to take (your) medicine on time every day.
2. I spend three hours (in) doing my homework every day.
3. After a moment, I divided the whole class into three groups.
4. After a while, he switched off the air conditioner.
5. I am ready to reply to his letter.