Every possible means ______ to prevent the air pollution but the sky is still not clear. A．is used

Every possible means ______ to prevent the air pollution, but the sky is still not clear.

A) is used B) are used C) has been used D) have been used

A.change

B.action

C.measure

D.advantage

A. In B. to C. as D.first E.by

For most people,learning a foreign language does not come easy,for it requires hard work and consistency. ____1 and foremost,there must be some motivations for learning a language.Are you planning to head to a foreign destination？ Is learning a language on your wish list？ Is it important for job advancement？ ____2 any measure,the critical success factor is how much time you are taking to involve yourself ___3 the language.The more time you dedicate ____4 the language,the quicker you will learn.So,what does spending time really mean？ It means listening,reading,writing,speaking,and studying words and phrases at every available opportunity.Involve as many senses _____5 possible in the learning process.

. the amount of; C. a number of} salt in fresh water used on coastal farms. As a result farmers are increasingly {A. unable; B. able; C. possible} to use fields close to the sea.

Scientists call this process “salinization” which means a mixture of salt and water. Salinization is reducing the world’s irrigated lands {A. to; B. by; C. at} 1 to 2 percent every year.

But a farmer in the Netherlands is now using a mixture of sea and fresh water to grow healthy and tasty vegetables. Marc Van started with an {A. investment; B. examination; C. experiment}. “We put in a lot of plants in the fields and then we put in, put them in fresh water and in sea water and all the varieties between it, and then we see which variety is surviving and which variety is {A. living; B. dead; C. dying}.”

to as many as two or three different newspapers. But why do people read newspapers？ Five hundred years ago, news of important happenings – battles lost and won, kings or rulers overthrown (推翻) or killed – took months and even years to travel from one country to another. The news passed by word of mouth and was never accurate. Today we can read in our newspapers of important events that occur in far away countries on the same day they happen. Apart from supplying news from all over the world, newspapers give us a lot of other useful information. There are weather reports, radio, television and film guides, book reviews, stories, and of course, advertisements. The bigger ones are put in by large companies to bring attention to their products. They pay the newspapers thousands of dollars for the advertising space, but it is worth the money for news of their products goes into almost every home in country. For those who produce newspapers, advertisements are also very important. Money earned from advertisements makes it possible for them to sell their newspapers at a low price and still make a profit. The phrase “subscribe to” in the first paragraph means “__________”.

A. go to the newspaper stand and buy

B. send their own news stories to

C. agree to buy for a specific period of time

D. become faithful readers of

Population tends to grow at an exponential(指数的)rate. This means that they progressively double. As an example of this type of growth rate, take one penny and double every day for one month. After the first week, you would have only 64 cents, but after the fourth week you would have over a million dollars.

This helps explain why the population has come on "all of a sudden". It took from the beginning of human life to the year 1830 for the population of the earth to reach one billion. That repents(缓慢进行)a time span of at least two million years. Then it took from 1830 to 1930 for world population to reach 2 billion. The next billion was added by 1960, only thirty years, and in 1975 world population reached 4 billion, which is another billion people in only fifteen years.

World population is increasing at a rate of 9000 per hour, 220000 per day, and 80 million per year. This is not only due to higher birth rate, but to lower death rate as well. The number of births has not declined at the same rate as the number of deaths.

Some countries, such as Columbia, Thailand, Morocco, Costa Rica, and the Philippines, are doubling their population about every twenty-one years, with a growth rate of 3.3% a year or more. The United States is doubling its population about very eighty-seven years, with a rate of 0.8% per year. Every time a population doubles, the country involved needs twice as much of everything, including hospitals, schools, resources, food and medicines to care for its people. It is easy to see that this is very difficult to achieve for the more rapidly growing countries.

This passage chiefly discusses______.

A．the growth of world population

B．one type of the exponential rate

C．the population problem of more rapidly growing countries

D．the possible ways of dealing with the rapid population growth

between marketing and selling.Not too many years ago, most industries concentrated primarily on the efficient production of goods, and then relied on “persuasive salesmanship” to move as much of these goods as possible.Such production and selling focuses on the needs of the seller to produce goods and then convert them into money.Marketing, on the other hand, focuses on the wants of consumers.It begins with first analyzing the preferences and demands of consumers and then producing goods that will satisfy them.This eye-on-the-consumer approach is known as the marketing concept, which simply means that instead of trying to sell whatever is easiest to produce or buy for resale, the makers and dealers first endeavor to find out what the consumer wants to buy and then go about making it available for purchase.This concept does not imply that business is benevolent(慈善的)or that consumer satisfaction is given priority over profit in a company.There are always two sides to every business transaction the firm and the customer and each must be satisfied before trade occurs.Successful merchants and producers, however, recognize that the surest route to profit is through understanding and catering to customers.A striking example of the importance of catering to the consumer presented itself in mid-1985, when Coca Cola changed the flavor of its drink.The non-acceptance of the new flavor by a significant portion of the public brought about a prompt restoration of the Classic Coke, which was then marketed alongside the new King Customer ruled!

1.The marketing concept discussed in the passage is, in essence, ____________.

A.the practice of turning goods into money

B.making goods available for purchase

C.the customer-centred approach

D.a form. of persuasive salesmanshi

2.What was the main concern of industrialists before the marketing concept was widely accepted？（）

A.The needs of the market

B.The efficiency of production

C.The satisfaction of the user

D.The preferences of the dealer

3.According to the passage, “to move as much of these goods as possible” (Lines 3-4, Para.I) means “_______________”.

A.to sell the largest possible amount of goods

B.to transport goods as efficiently as possible

C.to dispose of these goods in large quantities

D.to redesign these goods for large-scale production

4.What does the restoration of the Classic Coke best illustrate？（）

A.Traditional goods have a stronger appeal to the majority of people

B.It takes time for a new product to be accepted by the public

C.Consumers with conservative tastes are often difficult to please

D.Products must be designed to suit the taste of the consumer

5.In discussing the marketing concept, the author focuses on ___________.

A.its main characteristic

B.its social impact

C.its possible consequence

D.its theoretical basis

A．All possible means

B．Every possible means

C．Every possible mean

D．All the possible means

Population tends to grow at an exponential(指数的)rate. This means that they progressively double. As an example of this type of growth rate take one penny and double every day for one month. After the first week, you would have only 64 cent, but after the fourth week you would have over a million dollars.

This helps explain why the population has come on“all of a sudden” took from he beginning of human 1ife to the year 1830 for the population of the earth to reach one billion. That repents(缓慢进行) a time span of at least two million years. Then it took from 1830 to 1930 for world population to reach 2 billion. The next billion was added by 1960 only thirty years and in 1975 world population reached 4 billion which is another billion people in only fifteen years.

World population is increasing at a rate of 9, 000per hour, 220,000 per day and 80 million per year.

This is not only due to higher birth rate, but to lower death rate as well. The number of births has not declined at the same rate as the number of deaths.

Some countries such as Columbia, Thailand, Morocco, Costa Rica and the Philippines are doubling their population about every twenty-one years with a growth rate of 3.3 percent a year or more. The United States is doubling its population about very eighty-seven years, with a rate of 0.8 percent per year.Every time a population doubles, the country involved needs twice as much of everything, including hospitals, schools, resources, food and medicines to care for its people. It is easy to see that this is very difficult to achieve for the more rapidly growing countries.

This passage chiefly discusses

A.the growth of world population.

B.one type of the exponential rate

C.the population problem of more rapidly growing countries.

D.the possible ways of dealing with the rapid population growth

According to the passage what helps to explain why the population problem has come on “all of a sudden”？A.The penny that doubles itself every day for one month

B.The time span of at 1east two million years in human history.

C.An illustration of the exponent growth rate given by the author.

D.The large amount of money you would luckily make after the fourth week

Which of the following statements is NOT true？A.World population is increasing at a rate of 150 per minute

B.Lower death rate also contributes to world population growth

C.The population of Columbia has been doubling every year for 21 years.

D.The United States is usually doubling its population on about every 87 years.

It took ______ for the world to increase its population from 1 billion to 4 billion.A.100 years

B.175 years

C.1975 years

D.over two million years

When a population doubles, the country involved needs twice as much of everything including __.A.hospitals and medicines

B.schools and students

C.food and manpower resources

D.all of the above

请帮忙给出每个问题的正确答案和分析，谢谢！