单选题We won't be able to go to the club ______ our parents give us permission.

单选题My watch is nowhere to be found. I ______when I was on the bus. A. must drop it B. might drop C. must have dropped it D. should have dropped it.

单选题 They all think that it's better to be busy than to be free, ______?

单选题She is very ______ about her appearance. Half of her salary goes to clothes. A. particular B. peculiar C. special D. unusual

单选题The news item about the fire is followed by a detailed report made ______

单选题Mrs. Black finds that her piano has always had the magic power of taking her away from the grim realities of daily life and ________ her to fairyland of her own once she started to play.

单选题 Surviviors of the shipwreck were finally rescued after their courage of persistence lowered to zero by their physical lassitude.

单选题After the war, a new school building was put up ______ there had once been a theatre. A. that B. where C. which D. when

单选题You’ll have to pay for the holiday in ______ ，Tom．

单选题Today anyone will accept money in exchange for goods and services. People use money to buy food, furniture, books, bicycles and hundreds of others they need or want. When they work, they usually get paid in money. Most of the money today is made of metal or paper. But people used to use all kinds of things as money. One of the first kinds of money was shells. Shells were not the only things used as money. In China, cloth and 'knives were used. In the Philippine Islands, rice was used as money. In some parts of Africa, cattle were one of the earliest kinds of money. Other animals were used as money, too. The first metal coins were made in China. They were round and had a square hole in the center. People strung them together and carried them from place to place. Different countries have used different metals and designs for their money. The first coins in England were made of tin. Sweden and Russia used copper to make their money. Later, other countries began to make coins of gold and silver. But even gold and silver were inconvenient if you had to buy something expensive. Again the Chinese thought of a way to improve money. They began to use paper money. (80)The first paper money looked more like a note from one person to another than paper money used today. Money has had an interesting history from the days of shell money until today.

单选题Presently, there are nine teachers in my team, who have______the task of teaching advanced English to more than 500 non-English majors.

单选题Ancient man attempted to change the weather by using magic. When experience taught him this was impossible, he tried to forecast weather conditions. Even earlier than 1,000 B.C. there were seers (预言家) in Babylon—and priests clever enough to denounce as cheaters who predicted the weather a year in advance. Some forecasters used methods that seem to have no connection with the actual factors controlling the weather. Chickens and other animals were sacrificed and their intestines (肠) poked to find signs indicating rain or drought. Somewhat more scientific were predictions based on vegetation: onion"s skin very thin, mild winter coming in. Onion"s skin thick and tough, coming winter cold and rough. Insects and animals were also favorite clues: when the glowworm lights his lamp, then the air is always damp. If spiders forsake their cobwebs, the weather will for certain break. If frog remained in pools, the weather would be fine. If they were seen on rocks, rain and cold were due.

单选题When you pat your pet dog, he wags （摆来摆去）his tail. That is his way of saying that he lovesyou. And, if you pay attention, you will see that he uses his tail to say so many things. Every move-ment of t

单选题______ determines a good meal varies from country to country. A. What B. That C. It D. Which

单选题David likes country life and has decided to ______ fanning.

单选题The continuous unrest was _______ the nation's economy. A. exaggerating B. aggravating C. amending D. fastening

单选题It is possible that the weather of the world may be changing. Some scientists imagine that this could even mean the beginning of another ice age. The effects of such a change in weather on human population of the world would be frightening. Recent research suggests that the warming trend (倾向)of the past hundred years or so may be coming to an end. During the past ten years, scientists tell us that the temperature of the world has dropped a little. This would have effects on wind and rain in the weather picture. Scientists believe clouds may be an important factor (因素) in changing the amount of heat on the earth. Another possibility is that man’s agriculture and industry ways may affect the natural weather.