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Advertising is part of our life in our world of competition. It is important for both seller and buyer. Even the government cannot do without it. More than $ 400 billion has been spent worldwide on advertising this year.

Advertising is necessary to all business. Without making buyers know about the products (產(chǎn)品) how are products going to get to the buyers? Advertising draws attention to the product or service through television, radio, billboards, flyers, boards, newspapers or magazines. Bikes, buses and trains are also used to carry advertisements. Where there are people advertising can be found. People don’t have to travel far to see an advertisement. Advertising lets people know new products. For example, people come to know about useful new medicines, new computers, cell phones and etc. People often learn about new tools and machines for industry. Advertising tells people different brands (品牌) of the same product. It tells about which brand is better.

It is through advertisements that we come to know of new jobs. People who see the advertisement and think they are able to do the work may come to the company and then might get that job. Advertisement is a good way to educate people and to help students choose colleges or universities that they like. Schools, colleges and universities advertise their classes, courses, and fees and attract students. Government can advertise its plans. It can tell people what good things it might do for the nation.

46. Why is advertising necessary to all business?

A. It sends the products to buyers.                                                 

B. It lets buyers know the products.

C. It sells the products at a good price.

D. It makes buyers see the products everywhere.                                    

47. What can we learn from the passage?

A. Governments should make more advertisements.

B. Schools use advertisements to educate students.

C. There are many ways to advertise new products.

D. People don’t like to see too many advertisements.

48. What’s the best title for the passage?

A. The Importance of Advertising.                B. How to Advertise Products.

C. The Kinds of Advertisements.                   D. The Development of Advertising.

　　Matt Mason has seen the future--and it's fun. Mason likes thinking about how machines can make our lives easier by doing the work we hate, such as cleaning. He shows a hard floor cleaning system（系統(tǒng)）that's built into the wall: it will blow dirt to a part of the room where it will be collected by a vacuum（吸塵器）. Then the system will drop some cleaner on the floor and an arm will mop（用拖把擦） it up. “This may trouble you,” says Kara, an expert in Mason's company. “But you can program it to come on at 3 a m, and it will just wet-mop the floor for you.”

　　When it comes to the kitchen, Bruce Beihoff, another expert at Whirlpool, is sure that in a few years, robots will be doing most of the boring work, freeing us to relax. “More than just fun, future kitchens will be environmentally friendly,” he says. “A new system will be built in the house which can recycle energy（能量）lost from your kitchen to make the whole home warm.”

　　“The fridge will be the center of the home,” says Daniel Lee, a market expert. The fridge will have a touch screen（觸摸屏幕）where you can watch TV, surf the Internet, check your e-mail, keep a shopping list and order vegetables. “Your fridge is the first place you go in the morning and the last place at night,” says Lee.

　　Ever wonder why a 1.9-meter man and a 1.6-meter woman have to cook meals on counters（工作臺）of the same height. “The height was decided over 50 years ago, according to the height of ordinary women,” says Jane Langmuir, an expert of cooking machines. “But times have changed. We have made a new counter where you press a button and it moves to whatever height you want.” At the same time, Ted Selker at MIT's Counter lab has made the dishmaker which lets you make dishes and bowls out of plastics at home. After each meal, the dishes are changed straight back into plastics.

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A．have a recycling system built in the wall

B．get up early to start your cleaning system

C．use your fridge to give orders to a cleaner

D．leave the work to a kind of cleaning machine

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A．We will eat something in the fridge from the morning to the evening.

B．We can surf the Internet and check our e-mails from it.

C．We can buy vegetables and watch TV from it.

D．We will have some fridges in our homes.

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A．people will have more and more time enjoying themselves

B．future kitchens can provide all the energy for our life every day

C．the fridge can be found in the center of a future house

D．people must be expert at computers to use these inventions