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However, because of recent changes in coffee production and marketing, shade coffee p

However, because of recent changes in coffee production and marketing, shade coffee plantations are a threatened habitat. In the past twenty years, coffee has begun to be grown with no shade canopy at all While this manner of cultivation produces increased yields, these cannot be kept for many years without intensive management (additions of chemical fertilizers and a range of insecticides, herbicides and fungicides).

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发布时间：2022-10-09

更多“ However, because of recent changes in coffee production and marketing, shade coffee p”相关的问题

第1题

Earthquakes occur without warning; however, it is claimed that some animals can feel e

arthquakes ________ occurrences because of their highly sensitive organs.

A、prior to

B、resort to

C、back off

D、saddle with

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第2题

Today the official language of the United States and most of Canada is English. However, F

rench almost became the official language because of a war.

The French and Indian War was fought between 1754 and 1763. The name of this war is not accurate because the war was actually between England and France. The Indians fought on the side of the French.

France and England were trying to gain control of North America. France held Canada, and England held part of what is now the United States. However, France tried to expand its land by moving southward into New York, Pennsylvania, Ohio, and Virginia. When the French built a fort on the Ohio, River, the residents in Virginia sent George Washington to attack the fort in 1754. However, the French defeated Washington.

The French, aided by the Indians, outsmarted the English and won many early battles. Later, the British began to do well against the French. In the final battle in Quebec, Canada, General Wolfe of England faced General Montcalm from France. Both generals died in this battle, but the English outlasted the French and won the battle. Thus, most of North America today has the English culture and language.

The word "gain" in Para. 3 means ______.

A．get

B．buy

C．lose

D．sell

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第3题

My DreamMy dream has always been to work somewhere in an area between fashion and publishi

My Dream

My dream has always been to work somewhere in an area between fashion and publishing. Two years beforegraduating from secondary school, I took a sewing and design course thinking that I would move on to a fashiondesign course. However, during that course I realised that I was not good enough in this area to compete with16

other creative personalities in the future, so I decided that it was not the right path for me. Before applying foruniversity I told everyone that I would study journalism, because writing was, and still is, one of my favouriteactivities. But, to be absolutely honest, I said it, because I thought that fashion and me together was just a dream -I knew that no one, apart from myself, could imagine me in the fashion industry at all!

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第4题

Man's first roan invention, and one of the most important inventions in history, was the w

heel. All transportation and every machine in the world depend on it. The wheel is the simplest yet perhaps the most remarkable of an] inventions, because there are no wheels in nature no living thing was ever created with wheels. How, then, did man come to invent the wheel？ Perhaps some early hunters found that they could carry it. However, the logs themselves weighed a lot.

It must have taken a great prehistoric thinker to imagine two thin slices of log connected, at their centers by a string stick, this would roll along just as the logs did, yet be much lighter and easier to handle, thus the wheel and axle came into being and with them the first cart.

The wheel is important because ______ .

A．it was man' s first real invention

B．all transportation depends on it

C．every machine depends on it

D．both B and C

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第5题

For some employers, the policy of lifelong employment is particularly important because it

means that they can put money and effort into their staff(职员)training and make them loyal to the company. What they do is to select young people who have potential(潜能)and who can be trained, They then give the young people the kinds of skills that will make them suitable employees for the company. In other words, they adjust their training to their particular needs.

One recently employed graduate says that she is receiving a great deal of valuable training from the company. "This means that I will be a loyal employee，"she says, "And it also means that the company will want to keep me. I am an important investment for them. So the policy is a good one because it benefits both the employer and the employee. "

Recently, however, attitudes towards lifelong employment are beginning to change. Employees are slowly beginning to accept the idea that lifelong employment is not always in their best interest and that changing firms can have career advantages.

The purpose of lifelong employment is to______

A．adjust the needs of the company to its employees

B．make employees loyal to their company

C．select the best skilled young employees

D．keep the skilled staff satisfied

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第6题

The cost of medical care in the United States is very high. The time and money that doctor

s spend on their medical education are probably one reason for this problem.

A visit to a doctor’s office costs from fifteen to fifty dollars. It is impossible to pay for the medical care they need. Many people in the United States think that doctors are overpaid. Most doctors, however, disagree. They say that they were required to study medicine for a long time. Tuition(学费)for many years of medical education costs a lot of money. Doctors say that it is necessary for most medical students to borrow money from a bank to pay their tuition. Because this money must be repaid to the bank, young doctors need a lot of money for their work. So, they charge people high prices for medical care. Therefore it is possible that the high cost of medical care in America is unnecessary. Because high tuition is one cause of high costs, one way to lower costs would be to have medical schools that are free or have low tuition.

Some people do not have their medical care they need because ______.

A．they are not willing to pay high tuition for the doctors

B．they don't think it necessary to have medical care

C．they don't want to spend much money on it

D．they haven't got enough money to pay for it

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第7题

Vitamins are organic compounds necessary in small amounts in the diet for the normal growt

h and maintenance of life of animals, including man.

They do not provide energy,【21】do they construct or build any part of the body. They are needed for【22】foods into energy and body maintenance. There are thirteen or more of them, and if【23】is missing a deficiency disease becomes【24】.

Vitamins are, similar because they are made of the same elements--usually carbon, hydrogen, oxygen, and【25】nitrogen. They are different【26】their elements are arranged differently, and each vitamin【27】one or more specific functions in the body.

【28】enough vitamins is essential to life, although the body has no nutritional use for【29】vitamins. Many people,【30】, believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body's vitamin needs.

(36)

A．either

B．so

C．nor

D．never

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第8题

We are interested in the weather because it【21】us so directly—what we wear,【22】we do, and

even how we feel. Geographers, however, are【23】interested in climate than in weather. Climate is the pattern of all the weather conditions over a long period of time. Generally【24】, climate【25】to these normal weather conditions, not【26】daily or yearly changes.

Climate, like weather, changes【27】time. It is true【28】these changes【29】a long time, but not as long as we might expect. Records show that over the centuries large portions of the earth have experienced great changes【30】climate.

(36)

A．effects

B．defects

C．infects

D．affects

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第9题

Ⅲ. Cloze （20 points) Directions: For each blank in the following passage, there are fo

Ⅲ. Cloze (20 points)

Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the answer sheet.

We are interested in the weather because it (21) us so directly—what we wear, (22) we do, and even how we feel. Geographers, however, are (23) interested in climate than in weather. Climate is the pattern of all the weather conditions over a long period of time. Generally (24) , climate (25) to these normal weather conditions, not (26) daily or yearly changes.

Climate, like weather, changes (27) time. It is true (28) these changes (29) a long time, but not as long as we might expect. Records show that over the centuries large portions of the earth have experienced great changes (30) climate.

21. A. effects

B. defects

C. infects

D. affects

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第10题

Life really should be one long journey of joy for children born with a world of wealth at

their feet.

Internationally famous child doctor Robert Coles is the world's top expert on the influence of money on children. He has written a well-known book on the subject, "The Privileged Ones", and his research shows that too much money in the family can cause as many problems as too little. "Obviously there are certain advantages to being rich," says the 53-year-old doctor, "such as better health, education and future work prospects. (78) But most important is the quality of family life. Money can't buy love."

It can buy a lot of other thing, however, and that's where the trouble starts. Rich kids have so much to choose from that they often become confused. Overindulgence (娇美) by their parents can make them spoilt. They tent to travel more than other children, from home to home and country to country, which causes feelings of restlessness.

(79) "But privileged children do have a better sense of their positions in the world," adds Mr. Coles, "and they are more self-assured." The rich children inherit the property from their parents and enjoy a high income. So money will never be one of their problems. "However, they will have a sense of isolation," warns Dr. Coles, "and they could suffer from the hardship of not being able to deal with the everyday world because they will never really, be given the chance. Everything they have achieved is because of an accident of birth. There can be no tremendous inner satisfaction about that."

(80) Today's wealthy parents perhaps realize their riches can be more of a heavy load than a happiness to their children. So the first thing for them to consider is to ensure that their families are as rich in love as they are in money.

In his book "The Privileged Ones", Dr. Cotes implies that ______.

A．there are fewer problem in the rich family than the poor family

B．rich children live a life of separation from the world

C．rich children usually enjoy more love than poor children

D．the quality of rich children's family life may not be high

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第11题

Sharks are fish. There are about 350 species of sharks. The smallest sharks are only 12. 5

cm long. The largest, the whale shark, is the world's largest fish. It grows to about 1Sm long.

Sharks are different from other fish. For example, other fish have skeletons made of hard bones. Sharks have skeletons made of cartilage. In addition, most fish have a special organ called a swim bladder to stop them from sinking but sharks do not. If a shark does not swim constantly, it sinks. Shark babies grow inside eggs. The baby sharks are called pups.

Most sharks eat fish. Some also eat seals and other sharks. Many people are afraid of sharks be cause of their reputation as' man-eaters'. However, there are fewer than one hundred shark attacks on humans in the world each year.

Humans are the sharks' worst enemies. Fishermen kill them because of their valuable dorsal fins. Often, they catch a shark, cut off its fin and throw it back into the sea. If a shark has no fin, it dies because it cannot swim. Scientists believe that humans kill more than one million sharks every year.

Sharks are ______.

A．humans' friends

B．man's enemies

C．the world's largest fish

D．not the same as other fish

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