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提问人:网友garlic11 发布时间:2022-01-06
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A typist types four envelopes and four letters. She places the letters in the envelopes at

random. What are the chances that only three letters are in their correct envelopes?

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第1题

【判断题】In the UK most newspapers have reduced the newspaper to tabloid size in a bid to capture younger readers, although because “tabloid” has a connotation of “downmarket”, some of the papers refer to the new size as “compact”. The above sentence can be paraphrased as: In the UK the larger broadsheet newspaper which traditionally is designed for educated readers is contracted to smaller size. In case the low image of tabloid-sized newspapers might discourage readers, the neutral term “compact” is being used.

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第2题

There are 3 eccentric masses on a rotor.Surpose that all of these masses are located in same plane, andlocation of each mass is shown in figure.Try to find balancing mass (location and magnitude) if radius of balancing mass.

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第3题
Section D

Have you ever thought about inventing something? Were you worried that your idea was too strange or unrealistic? Well, maybe you should think again.

Strange and unrealistic ideas never stopped Arthur Pedrick. Pedrick was a British inventor. Originally a government clerk, he spent his retirement in the 1960s and 1970s developing new and unusual ideas. Some of these ideas contradicted basic physics, but that didn’t stop Pedrick. One of his strangest ideas was a plan to connect Australia and Antarctica using large tubes, a distance of 10, 000 km! These tubes were designed to carry giant ice balls from Antarctica to Australia. The ice would then melt in the Australian desert, and the water would be used for irrigation. Another of Pedrick’s inventions was a radio-controlled golf ball. A golfer could change the speed and direction of the golf ball using small flaps attached to the ball, which could be controlled by computer chips. Using radio waves, golfers could also find their lost golf balls. Arthur Pedrick had thousands of bizarre ideas for inventions, most of which were never constructed.

Though many of Pedrick’s inventions were never developed, a lot of other strange ideas have been. In 1989, a company designed and sold a theft-prevention device for expensive cars. As part of this device, several tubes were attached to the bottom of a car. If someone tried to steal the car, super hot flames were emitted from the tubes and burned the car thief. Some people who were not thieves, however, were seriously injured by this device which they accidentally set off by walking past the car.

Other strange inventions include underwear for dogs and pens with drinkable ink. The underwear keeps dogs from making a mess when they go out for a walk. Also if you were ever thirsty during a test, a pen with drinkable ink would be very handy!

If you have an idea that seems a little out in left field, don’t let that stop you from trying it. You' 11 be in good company.

Summary:

Most inventions are for useful things that help people in everyday life. Some inventions, however , are just【46】Some of the world’s weirdest ideas for inventions came from a man named Arthur Pedrick. Pedrick’s inventions included irrigation【47】that would carry ice from Antarctica to Australia and【48】golf balls. Not all weird inventions came from Pedrick, however. Every year many people【49】products that could be【50】unusual. Things like underwear for dogs and pens with drinkable ink are good examples.

(46)

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第4题
You are required to write a letter to establish a business relationship with a garment company according to the following information given in Chinese.

1.自我介绍(一家连锁百货商店,经营男女服装、内衣等);

2.写信的意图;

3.希望得到回复。

The letter should be no fewer than 80 words. Now write the letter on the answer sheet

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第5题
If FRTZZ is the code for ESSAY, what is the code for PAPER?
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第6题
A, B, C, D, E and F are six seaside resorts. A, C and F have promenades, but the others do not. B, D and F have a fun fair and a caravan park, whereas C has a caravan park only. The others have neither. There are amusements at all the resorts except B and C. Which resort without a caravan park has amusements but no promenade?
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第7题
If you need to choose a magazine from the above listed for a 7-year-old girl, how much do you need to pay a year?
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第8题
After Dr Philip West gave Mr Wright the injection, Mr Wright got better.
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第9题
被接见者说他熟悉办公室软件,会做一些数据分析。(be familiar with)
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第10题
some people prefer work or activities that mainly involve working with people. Others choose work or activities that mainly involve working with objects or machines. Compare these types of activities. Which of them do you prefer? Give reasons to support your answer. Your composition should be no less than 150 words.
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