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Thousands of years ago, life was ______ it is today.A．much easier thanB．as easy asC．as har

Thousands of years ago, life was ______ it is today.

A．much easier than

B．as easy as

C．as hard as

D．much harder than

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更多“Thousands of years ago, life w…”相关的问题

第1题

The study of thousands of samples from the sea occupied scientists for years and led

A.versions

B.volumes

C.editions

D.issues

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第2题

Interestingly, these people still live the way ____________ thousands of years ago.

A.their forefathers lived

B.how their forefathers lived

C.as their forefathers lived

D.by which their forefathers lived

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第3题

The reason why all the solar energy falling on the earth can' t be utilized is that ______

A．only a very small part is available

B．the sun is too distant from the earth

C．it takes thousands of years for this energy to be stored up in coal and oil

D．our scientific knowledge is not sufficient

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第4题

We have no idea about when men first began to use salt, but we do know that it has been us

ed in many different ways throughout the history.

For example, it is recorded in many history books the people who lived over three thousand years ago ate salted fish. Thousands of years ago in Egypt, salt was used to preserve the dead.

In some periods of history, a person who stole salt was thought to have broken the law. Take the eighteenth century for an example, if a person was caught stealing salt, he would be thrown into prison. History also records that only in England about ten thousand people were put into prison during that century for stealing salt! About one hundred and fifty years ago, in the year 1553, if a man took more than his share of salt, he would be thought to have broken the law and would be seriously punished. The offender' s ear was cut off.

Salt was an important item on the dinner table of a king. It was always placed in front of the king when he sat down to eat. Important guests at the king' s table were seated near the salt. Less important guests were given seats farther away from it.

Thousands of years ago in Egypt, salt was used ______.

A．to punish people who had broken the law

B．to keep dead bodies from decay

C．to keep fish alive

D．to make chemicals

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第5题

American Blacks experienced a revolution after 1945, a revolution in expectations. Followi

ng World War Ⅱ, the steady movement toward first-class citizenship for Black people quickened, with significant actions taking place in courts of law, in voting booths, in restaurants and in the streets of the nation.

A decade of intense civil rights activity was launched in 1954 when the United States Supreme Court declared segregated schools to be unconstitutional. In 1955, Dr. Martin Luther King, Jr. , effectively organized the Blacks of Atlanta, Georgia, in a bus boycott. The boycott lasted two years, and when it was over, Blacks no longer were degraded by being forced to sit or stand in the rear of buses.

In 1960, a group of Black college students decided that they, sis well as white persons, had the right to eat at a lunch counter in Greensboro, North Carolina. This sit-in sparked an aggressive national movement and, in the next few years, thousands of young men and women -- Black and white, North and South -- overturned local laws and customs that had maintained segregation. Sit-ins, prayins, freedom rides, freedom marches and demonstrations to open all schools to Black children took place across the nation.

Several important actions took place to change the status of black people ______.

A．after World War Ⅱ

B．in 1954

C．before 1945

D．in 1960

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第6题

Thousands of years ago, in the middle of an ocean, miles from the nearest island, an under

sea volcano(火山) broke out. The hot liquid rock piled higher and higher and spread wider and wider. In this way, an island rose up in the sea.

As time went on, hot sun and cool rains made the rock split and break to pieces. Sea waves dashed against the rock. In this way, soil and sand came into being.

Nothing lived on the naked soil. And then the wind and birds brought plant seeds, spiders and other little creatures there. Only plants could grow first. Only they, in sunlight, could produce food from the minerals of the soil, water and air. While many animals landed on the island, they could find no food. A spider spun its web in vain, because there were no insects for its web to catch, In sects couldn' t stay until there were plants for them to eat. So plants had to be the pioneer life on this new island.

The passage centers on ______.

A．how an undersea volcano broke out

B．how an island rose up in the sea

C．how soil was formed on a new island

D．how life began on a volcano-produced island

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第7题

The energy which the sun radiates goes in every direction, and only a minute part of it fa

lls on the earth. Even so, it represents power of about 5,000,000 horsepower (马力)per square mile per day; the sun gives us as much energy every minute as mankind utilizes in a year. At present, we use this energy in directly, and it is our final source of power. Coal represents the chemical action of the sun on green plants thousands of years ago. Water power results from the rain formed by vapor which comes from the evaporation of power. Coal represents the rain formed by vapor which comes from the evaporation of water under the sunshine. Even windmills operate because of air currents set in motion by the different heating affects of the sun in different places. Some day, through chemistry or some type of solar engine, we shall harness this great source of energy more directly. Already a scientist has worked out an engine, surprisingly efficient, in with the sun' s rays are concentrated through mirrors on a tube of water to create steam.

How much energy given off by the sun reaches the earth？

A．100 % but indirectly

B．5 %

C．0.5

D．only a very tiny amount

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第8题

The fitness movement that began in the late 1960s and early 1970s centered around aerobic

exercise(有氧操). Millions of individuals became engaged in a variety of aerobic activities, and literally thousands of health spas developed around the country to capitalize(获利) on this emerging interest in fitness, particularly aerobic dancing for females. A number of fitness spas existed prior to this aerobic fitness movement, even a national chain with spas in most major cities. However, their focus was not on aerobics, but rather on weight-training programs designed to develop muscular mass, strength, and endurance in their primarily male enthusiasts. These fitness spas did not seem to benefit financially from the aerobic fitness movement to better health, since medical opinion suggested that weight-training programs offered few, if any, health benefits. In recent years, however, weight training has again become increasingly popular for males and for females. Many current programs focus not only on developing muscular strength and endurance but on aerobic fitness as well.

Historically, most physical-fitness tests have usually included measures of muscular strength and endurance, not for health-related reasons, but primarily because such fitness components have been related to performance in athletics. However, in recent years, evidence has shown that training programs designed primarily to improve muscular strength and endurance might also offer some health benefits as well. The American College of Sports Medicine now recommends that weight training be part of a total fitness program for healthy Americans. Increased participation in such training is one of the specific physical activity and fitness objectives of Healthy People 2000, National Health Promotion and Disease Prevention Objectives.

The word "spas"(Line 3, Para. l) most probably refers to ______.

A．sports activities

B．places for physical exercise

C．recreation centers

D．athletic training programs.

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第9题

回答下列各题 B Not many years ago，a wealthy and rather stra

nge old mall named Johnson lived alone in a village in the south of England．He had made a lot of money in trading with foreign countries．When he was seventy-five．he gave￡1200 to the village school to buy land and equipment for a children’s playground． As a result of his kindness，many people came to visit him．Among them was a newspaperman．During their talk，Johnson remarked that he was seventy—five and expected to live to be a hundred．The newspaperman asked him how he managed to be healthy at seventy-five．Johnson had a sense of humour(幽默)．He liked whisky(威士忌酒)and drank some each day．“I have an injection(注射)in my neck each evenin9，”he told the newspaperman，thinking of his evening glass of whisky． The newspaperman did not understand what Johnson meant．In his newspaper he reported that Johnson was seventy．five and had a daily injection in his neck．Within a week Johnson received thousands of letters from all over Britain．asking him for the secret of his daily injection． The gift of money to the school suggests that Johnson_________．

A.had no children

B.was a strange man

C.was very fond of children

D.wanted people to know how rich he was

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第10题

The killer bees are coming! By the time you read this they will have reached Texas. By the

mid-1990s, they will have reached all the warmer areas of the United States. Scientists as well as farmers wait for them with a mixture of fear and wonder.

The killer bees should not be coming at all. Nature did not put them on this direct path for the United States; human beings did. The killer bees are from Africa. But in 1957 a scientist from Brazil got some of these killer bees for his experiments. The aim was to produce a better bee. However, an accident happened: a guest beekeeper let twenty-six of the queen bees escape by mistake. Before long, groups of killer bees took off for the woods.

Since that time, the wild killer bees have multiplied(繁衍) many times over. By 1998, their population was over 1015. They have spread all over South America, Central America, and most of Mexico. The United States is the next stop.

Are the killer bees really killers？ Yes, they are. In their first thirty years in America, they have killed thousands of hens, pigs, and other animals. While no one knows the exact number, it is believed that several hundred people have also been killed.

So be careful. Killer bees are on the way. Scientists have no idea what to do with them yet. There must be a way.

We know from the passage that killer bees will spread to the United States ______.

A．from north

B．from south

C．from west

D．from east

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