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A.or
B.so
C.but
D.because
答案
更多“It was very hot when we got to Ken ting National Park,（）we still had a good time there.”相关的问题
第1题
A．T
B．F
C．NG
第2题
People feel cool when they are near a lake or an ocean because______.
A．the earth cannot make the air over the earth hot
B．the earth is very hot
C．cool air from the water moves towards the land
D．the water is colder than the earth
第3题
听力原文：Would you mind if I turned off the fan？
(A) No, go ahead. It's not very hot today.
(B) The lights were turned on when I came in.
(C) The turn-off is about a mile down the road.
(2)
A．
B．
C．
第4题
【C5】______ , it has good【C6】______ . In almost every【C7】______ of the country it is possible to live【C8】______ during the whole year. It is true that in the south it sometimes gets very hot and in the north very cold. But the people who live in these regions become【C9】______ to the climate and never【C10】______ much when the weather is either very hot or very cold.
In a large country there is usually a great【C11】______ of different physical characteristics. In the United States, there are wide plains and high mountains, thousands of lakes and rivers of all【C12】______ , cool forests and hot deserts, and a coastline several' thousand miles long.
The many lakes and rivers,【C13】______ he long coastline, have been【C14】______ great importance to the development of the country, since they made possible the easy【C15】______ of the people and all the things people【C16】______ . Ships and boats are still necessary and important. In modem【C17】______ ,【C18】______ , trains, automobiles, trucks and airplanes are doing much of the【C19】______ which was【C20】______ done by ships and boats.
【C1】
A．location
B．character
C．characteristics
D．differences
第5题
W: You certainly should when I think about the rates you charge! I hadn'tany heat all last night.
Q: Why should the damage be repaired rapidly according to the woman？
(16)
A．Because it was very hot the whole night.
B．Because everything is ready for the repairs.
C．Because she had paid a lot for it.
D．Because the maintenance workers are quite efficient.
第6题
听力原文： Millions of years ago, whales lived on land and walked on four legs. Today, whales still have small bones that are the remains of their hind legs, but these bones can only be seen on the inside of the whale. No one knows why whales left the land to live in the water.
However, scientists can imagine that when the whales changed their environment, their bodies underwent a change—taking on a more fish-like appearance. This new form. offered less resistance to the water, enabling the whales to swim faster.
Despite their fish like form, whales are not fish. A whale will drown, just as a man will, if it stays under water too long. When a whale is under water, it closes its nostrils tightly and holds its breath. The air in its lungs becomes very hot and full of water vapor. When the whale rises to the surface and exhales, its hot breath produces a column of water vapor that rises high in the air. A man produces the same effect when he exhales warm air on a cold morning.
Whales are classified as mammals because they bear their young, rather than laying eggs, and because the mother whales give the babies milk. Like other mammals, whales have warm blood. Their blood stays at the same temperature, even when they move from hot to cold water. They keep warm in cold water because they have a thick layer of fat just under their skins. This fat is called blubber, and it is thicker on whales that spend their lives in cold water. Almost all land mammals, except man, have hair on their bodies to keep them warm, but whales, which have very few hairs, are kept warm by their fat.
How does a whale keep itself warm？
A．By its thick layer of fat under its skin.
B．By moving frequently in the water.
C．By adjusting its blood temperature.
D．By taking in hot air.
第7题
听力原文： It is believed that the hot dog was born in Germany. Its creator, a German butcher named Johann Georg Lahner developed its prototype first in Frankfurt, a German city, hence frankfurter as its name. When frankfurters were first sold in the United States at the beginning of this century, they were called "dachshund sausage". A dachshund is a lovely dog from Germany with very long body and short legs. "Dachshund sausage" seemed like a good name for the frankfurter.
Dachshund sausages became popular soon in New York, especially at baseball games. Sellers sold their "red hot dachshund sausages" on buns to the fans. One day a newspaper cartoonist named Tad Dorian went to a game. When he was sold a dachshund sausage, he got an idea for a cartoon. He sketched a dachshund—not a dachshund sausage, but a dachshund—in a roll. Because he did not know how to spell dachshund, he wrote "Get your hot dog" under the cartoon. Thus, the American hot dog was born.
Another explanation for the origin of its name seemed somewhat academic. A sausage first got "hot" as its name because sausage sellers used to yell "Hot! Hot？ on the street to get people to buy their sausages. When frankfurters were first imported to the United States, the expression "doggy" was popular. "Doggy" was a shorter form. of a popular expression "to put on the dog", which meant fancy, costly, in the best style. So "doggy hots" was used to refer to the imported, costly, and fancy frankfurters. Soon, these "doggy hots" were called "hot dogs" for cinvenience.
(30)
A．The name of a dog.
B．The name of a flavoring (调味品).
C．The name of a person.
D．A way of cooking.
第8题
Although it may sound funny to call scientists weather-watchers, there's【B3】funny about what they do. Specifically, weather-watchers are meteorologists(气象学者)【B4】work for the United States Weather Bureau. They study the ocean of【B5】that surrounds the earth and, with the information they get, predict our weather.
The atmosphere【B6】in height from 300 to 700 miles above the earth and is divided into a series of layers or shells. The layer that is most interesting【B7】the meteorologist is the troposphere(对流层) or the layer closest to the earth.【B8】is in the troposphere that all our weather is formed.
【B9】causes our weather is really a very simple process. Endless streams of hot air push up from the earth. As they rise, they are【B10】by the freezing temperatures of the【B11】troposphere. Once it has become cold and heavy, the air【B12】back toward the earth, but it【B13】move down because of the rising hot air. In the meantime, planetary winds, which blow around the earth, or air currents keep both the cold air mass as well as the hot air mass in【B14】.
There are two additional factors that influence these moving air masses.【B15】is water vapor that the rising hot air soaks up like a sponge. The other is temperature Which, by cooling the hot air, forces it to【B16】out its water vapor in the form. of rain, snow, or sleet(雨夹雪).
These air masses【B17】push against each other with tremendous pressure. When a high-pressure mass of air succeeds【B18】pushing out a low-pressure air mass, we have clearing conditions and【B19】weather. When a low-pressure air mass forces out a high-pressure mass of air, stormy weather can be【B20】.
【B1】
A．when
B．as
C．while
D．if
第9题
听力原文： Recently a group of 17-year-old schoolboys decided to beat the world basketball time record. They are to play for 90 hours and add 6 hours to the record. Now could 18 boys play for almost 4 days without stopping？ The boys decided that each person would play for two and a half hours and then rest for two hours. They had to be able to sleep near the basketball hall, and they needed hot food and drink, day and night. Finally they started at 6 o' clock one evening.
The first night was very hard for the players. When it was their turn to rest, they were too excited to fall asleep at once. After sleeping for a short time, they had to play again. The nights were very long, when nobody was watching. The days were better, because plenty of people cheered the players' efforts. On the second night they fell asleep as soon as they stopped. Some of them had trouble with their hands and feet, but the only serious problem was a mental one. Each boy was thinking: What am I doing hero？ How can I play any longer？ After the third night the players knew they could finish the 90 hours. On the fourth night the play was very slow, but in the final hours it got better. For the last few minutes the players looked as fresh as when they started, they were tired, but very happy.
(30)
A．90 hours.
B．86 hours.
C．84 hours.
D．96 hours.
第10题
Some places on the earth don't get very much rain. But they still don't become deserts. This is because some green plants are growing there. Small green plants and grass are very important to dry places. Plants don't let the hot sun make the earth even drier. Plants don't let the wind blow the dirt(土)away. When a little bit of rain falls, the plants hold the water. Without plants, the land can become a desert much more easily.
Deserts ______.
A．get very little rain
B．never have any plants or animals in them
C．can all be turned into good land before long
D．both A and C
第11题
Men still did not know how to make a fire. When they had a fire they did not let it stop burning. If it went out, they could not start it again. They had to wait for lightning to start another fire! Sometimes they had to wait for years.
Later they discovered how to make a fire. If you rub pieces of wood together, they become hot and burn. You have to rub very fast! One way of doing it is to make a little hole in a piece of wood. Pieces of wood or dry leaves are put into the hole. Then you put the end of a stick into the hole. You rub the stick between your hands. This makes it turn very quickly. The end in the hole becomes very hot. The small pieces of wood and dry leaves begin to burn.
Another way of making a fire is to knock two stones together. This makes a spark. You can use this spark to start a fire. Nowadays we have matches. We can carry them in our pockets and make a fire when we want to. We also have cigarette lighters. They are, perhaps, handier and more useful than matches. There are, of course, other advanced methods of making a fire. Many people use heaters to keep warm. Oil heaters bum oil. Gas heaters burn gas. Electric heaters use electricity. We also use oil, gas and electricity for cooking.
How was fire first made？
A．Lightning hit a forest and started a fire.
B．People rubbed two pieces of wood together to make a fire.
C．People knock two pieces of stone together to make a fire.
D．People rubbed a stick between their hands to make a fire.
