his flight is delayed because of heavy fog, I can go to Tahiti in place of him surprised me. I am not that kind of person. A．If B．That C．That if D．When if 题目和参考答案——青夏教育精英家教网—

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his flight is delayed because of heavy fog, I can go to Tahiti in place of him surprised me. I am not that kind of person.

A．If B．That C．That if D．When if

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Brian arrived at the San Francisco airport two hours before the flight to Paris. He was wearing three shirts, a jacket, two pairs of socks, a pair of shorts, and two pairs of jeans. He was carrying one small backpack, which was very full, but he didn’t have any other luggage. Brian needed to meet a man named Tony before he checked in for his flight. He found Tony near the Air France counter. Tony gave him a round-trip ticket and a small package.

“Give this package to Jean-Paul at the airport in Paris. He will have a sign with your name on it. I think you can find him easily, “Tony said.” You don’t have any luggage, right?”

“Only this backpack,” Brian answered. “You said I could bring one carry-on bag.”

“That’s right, one carry-on bag is fine. Have a good trip.”

“Thanks.”

Is Brian a criminal（犯罪）? Not at all. He is an air courier. And he paid only $110 for the round-trip ticket to Paris. Air couriers get cheap airline tickets because they take important packages and papers to foreign countries. Businesses sometimes need to get packages and papers to people in foreign countries by the next day. Often, the only way they can do this is to use an air-courier company. It is not cheap for a business to send a package with an air courier, but it is quick.

Every year about 80, 000 people worldwide travel as air couriers. The number of tickets for courier travel is growing by about 10 percent a year. However, air-courier travel isn’t for everyone, But if you have very little money, can be flexible（灵活的）about your travel plans, and don’t mind wearing the same clothes for a week, it can be a great way to take a vacation!

Why was Brian wearing so many clothes for his travel?

A. Because they were the uniform for air couriers,

B. Because that made him easier to be recognized.

C. Because his backpack had no room for his clothes.

D. because he did not have any luggage with him.

An air courier is a person who

A. manages a business company in foreign countries

B. organizes international flights for tourists

C. travels around the world with cheap tickets

D. delivers papers and packages to foreign countries

Businesses choose the air-courier service because

A. it costs less B. it is flexible C. it saves time D. it grows fast

One of the disadvantages of traveling as an air courier is that he

A. cannot decide when and where to travel

B. cannot take any luggage with him

C. has to wear two pairs of jeans

D. saves little money from the travel

The author of the text mainly

A. describes the activities of a law-breaker

B. suggests an ideal way to travel

C. argues against the air-courier travel

D. tells us about a developing business

完形填空（共20小题，每小题1.5分，满分30分）
When Wilson got to the airport, 36 flight was already being called 37 the loudspeakers. The day before he had given up his 38 for a morning flight and had booked（预定）an afternoon 39 instead. He had to go to the reservations（预定）desk to collect his 40ticket.
　　He apologized for being 41.The reservations clerk（预订票的职员）smiled and began to look through the reservations in front of her. Then her 42 disappeared and 43 began to look 44 .
　　“Your ticket doesn’t seem to be here, ” she said. “Let me check it with the computer. ”The　45 clicked（滴答声）and whirred（飕飕声）and 46 began to flash 47 , his flight was called a second time. Wilson became very 48 . 49 the girl looked 50 .
　　“There’s been a mistake. Your new ticket was sent to you by post. That’s why it isn’t here”, she said. 51 took her only a 52 time to write 53 a new one. Wilson managed to catch the plane just before it took 54 . “What a way to start a 55 !” he thought.

Andy was still travelling in Spain when he realized he had to eonfirm(确认) his flight home with the airline company. He was visiting Spain in order to   36  his Spanish. When he was speaking to people   37  he had no   38  understanding what they said.   39  , when he was speaking on the phone, he   40  had a problem. Andy   41  the airline. And the clerk confirmed that his plane was leaving at nine o’clock three days from that day. She   42 told Andy to be at the airport two hours   43  in order to check in his luggage and get a set.
Since he was   44  in three days, Andy didn’t   45 any time. He visited as many places as he could. He thought that it would probably be a while before he had enough money again. He wished he could   46  and spend a year in Spain.
Too   47   , the final day arrived. Andy left early for the airport to arrive two hours before takeoff. He hated to 48 . He went to the clerk to    49  his ticket. The clerk looked at the ticket with   50 . “Why, sir, but your flight was at nine o’clock in the morning, and   51  it is eight in the evening. ”“But I confirmed my flight. ” 52 Andy. “Will I have to pay for another ticket?”
“No, sir. However, the next flight out will be three days from now. ”
Andy’s 53 of shock turned to one of 54   as he realized that now he could continue his   55 .

Why don’t birds get lost on their long migratory (迁居的) flights? Scientists have puzzled over this question for many years. Now they’re beginning to fill in the blanks.

Not long ago, experiments showed that birds rely on the sun to guide them during daylight hours. But what about birds that fly mainly by night? Tests with artificial stars have proved conclusively that certain night-flying birds are able to follow the stars in their long-distance flights.

One such bird, a warbler(鸣禽) , had spent its lifetime in a cage and had never flown under a natural sky. Yet it showed an inborn ability to use the stars for guidance. The bird’s cage was placed under an artificial star-filled sky at migration time. The bird tried to fly in the same direction as that taken by his outdoor cousins. Any change in the direction of the make-be-live stars caused a change in the direction of his flight. Scientists think that warblers, when flying in daylight, use the sun for guidance. But the stars are apparently their main means of navigation (导航). What do they do when the stars are hidden by clouds? Apparently, they find their way by such landmarks as mountain ranges, coast lines, and river courses. But when it’s too dark to see these, the warblers circle helplessly, unable to get their direction.

1.The reasons why birds don’t get lost on migratory flights__________.

A．have been known to scientists for many years

B．are known by everyone

C．have only recently been discovered

D．will probably remain a mystery

2.Warblers migrate__________.

A．from North America to South America

B．using what is apparently an inborn navigational ability

C．only once during their lifetime

D．when they are freed from their cages

3.When the stars are hidden by clouds, warblers find their way by__________ .

A．an artificial star	B．some landmarks
C．their inborn ability	D．A and B

4.This article is a good example of the way scientists__________ .

A．discover workable answers to universal questions by studying particular cases(特别案例)

B．jump to conclusions

C．find a law and then investigate（调查）

D．are disappointed by the habits of animals

John was late for the business meeting because his flight had been

_______ by a heavy storm.

A．kept

B．stopped

C．slowed

D．delayed

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