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Isaac Asimov is a well-know science fiction writer. In his robot stories, he imagines a world where robots can't be harmful to human beings because they obey the Laws of Robotics. These laws are built into their brain paths, but what will happen if this goes wrong...?
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Microwave oven is a device that heats food with short radio waves. Microwave cooking takes much less time than cooking with electric or gas ovens. Meats and vegetables cooked in a microwave oven have more natural juices than when cooked by other methods. Microwaves pass through glass, paper and most kinds of plastics. That's why most containers made of these materials may be used in microwave ovens. Microwave ovens were introduced for home use in the 1950s. They became really popular in the mid-1970s.
Vacuum cleaner is an electric device that removes dirt from carpets, rugs and bare floors. It may also be used to remove dust and dirt from furniture, woodwork, curtains and other above-the-floor items. The first vacuum cleaning devices were developed about 1900.
Washing machine is a device that quickly washes clothes and other things. Before its invention, people spent hours doing it by hand. Most washing machines work automatically. The operator simply sets the controls. The machine then operates automatically. One of the first mechanical washers was made in 1860. An electric washer was invented in 1910, and an automatic washing machine was introduced in 1937.
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1. You should switch off your mobile phone when you are in class or in a cinema.
2. You can plug in the vacuum cleaner over here.
3. Press this button to turn it on.
4. You can rewind or fastforward the tape using this button.
5. You should restart your computer if you are having problems.
6. I love this song. Turn up the volume, please.
7. You should always shut down your computer when you have finished work.
8. If you hold down this button it will restart your computer.
9. You can pause the tape while you fill in the gaps.
10. Can I use your mobile phone, please? Mine needs charging.
11. My Walkman batteries must need replacing. It's playing very slow.
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Whose Side Is He on?
S: Hi, Diana! Where have you been?
D: Oh, Steve, am I late? Sorry! I had to do some tidying up before I came out. S: Yea, I know. I hate getting home and finding I've still got to wash up from breakfast.
D: It's not me. It's Mom. She told me to clean the room. How lucky you are to live
without parents. S: Well, your mother is right, isn't she?
D: I don't see why. It's my room, she doesn't have to tell me what to do.
S: Well, I guess if you don't mind the mess and it's just your room... Personally, I like to
be able to find things in a hurry. D: I can find things when I want to. What really makes me angry is that she makes me
do all sorts of stupid chores round the house every Saturday. S: Well, she can't do them all.
D: She isn't going anywhere. She's got all weekend to do them.
S: Oh, come on! Why should she do housework all weekend while you enjoy yourself?
D: She hasn't got exams next month. I haven't got time.
S: You have time to come and meet me.
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