Over 80 percent of the population of China __...

Over 80 percent of the population of China ____ peasants.

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China is still an agricultural country and peasants ________ most of the population.

高三英语单项填空简单题查看答案及解析

.In that country about 80 percent of the population _____ farm.

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Over the past 30 years, China has spent hundreds of billions of yuan to pull its rural population out of poverty. Now China's anti­poverty efforts pay________.

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Due to the country’s growing rate of urbanization, China’s migrant population _______ to be over 200 million by 2020.

A. predicts　　 B. is predicted　　 C. will have been predicted　　 D. will be predicted

高三英语单项填空中等难度题查看答案及解析

Back in 1988, Red Delicious made up 70 to 80 percent of the domestic apple market. Over　 the years, farmers sold a lot of them because they looked great. But they had a floury texture (质地), and people want an apple that’s firm, crisp(脆的)and juicy. I started searching for one. By 1994, threatened by varieties from Japan and New Zealand, the U.S. apple industry and Washington State University agreed that we had to grow our own.

First, we cross-pollinated(授粉) existing apples: Collect pollen from one flower, put it on the tip of a pencil eraser, and rub it into another. We crossed dozens of crisp, tasty varieties such as Gala, Fuji, and Pink Lady. But the best breed came out of Honey Crisp and Enterprise parents. We grew the cross-bred seeds into 5-foot trees, grafted those to rootstocks(根茎) to make them start producing quickly, and planted them in evaluation gardens. A few years later, they fruited—and we began tasting.

So I would walk down long rows of hundreds and thousands of trees, and when I found an attractive fruit, I’d bite, chew, spit it out. Most were terrible, but when I found one with good texture and taste, I’d pick 10 or 20 of them. Then I put them in cold storage to see how they would hold up after a few months. After that, three or four researchers sat down and tasted every apple. We checked acidity and sugar levels, which can break down over time, and tested firmness and crispness using instruments that measure pressure and cell breakdown.

When we found exactly what we wanted, we planted and tested them all over again. Eventually, we ended up with the Cosmic Crisp. It can spend nine to 12 months in storage, and stay crisp, firm, juicy and sweet.

1.What does the author mainly tell us?

A. Why Red Delicious sells best.

B. How good-texture apples are grown.

C. Why cross-pollinated apples taste nice.

D. How a new variety of apple comes into being.

2.How has the Cosmic Crisp been developed?

A. By testing acidity and sugar.　　 B. By cross-breeding with good varieties.

C. By selecting fine fruits.　　 D. By evaluating the quality.

3.Which is the closest in meaning to the underlined word “grafted” in Para 2?

A. Applied.　　 B. Rubbed.　　 C. Attached.　　 D. Changed.

4.What can we learn from the text?

A. The cross-pollinated apple seeds take a few years to grow.

B. Cosmic Crisp has a longer storage life and better quality.

C. Cosmic Crisp is mainly bred from Gala and Fuji.

D. The quality of apple lies in its acidity and sugar.

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A public health campaign _____ the number of heart disease deaths by 80 percent over the past three decades．

A．had reduced　　　　　　 B．had been reduced

C．has reduced　　　　　　 D．has been reduced

高三英语单项填空简单题查看答案及解析

Though it is mere 1 to 3 percent of the population,the upper class possesses at least 25 percent of the nation’s wealth.This class has two segments:upper-upper and lower- upper.Basically,the upper-upper class is the“old rich”-families that have been wealthy for several generations-an aristocracy of birth and wealth.Their names are in the Social Register,a listing of acceptable members of high society.A few are known across the nation,such as the Rockefellers,Roosevelts,and Vanderbilts.Most are not visible to the general public.They live in grand seclusion(深居简出),drawing their income from the investment of their inherited wealth.In contrast,the lower-upper class is the“new rich”. Although they may be wealthier than some of the old rich,the new rich are anxious to make their money like everybody else lower than their class.Thus their prestige(威望) is generally lower than that of the old rich,who have not found it necessary to lift a finger to make their money,and who tend to look down upon the new rich.

However its wealth is acquired,the upper class is very,very rich.They have enough money and leisure time to cultivate an interest in the arts and to collect rare books, paintings,and sculptures.They generally live in exclusive areas,belong to exclusive social clubs,communicate with each other,and marry their own kind-all of which keeps them so distant from the common people that they have been called the out-of-fight class.More than any other class,they tend to be conscious of being members of a class.They also command an enormous amount of power and influence here and abroad,as they hold many top government positions,run the Council on Foreign Relations,and control multinational corporations.Their actions affect the life of millions.

1.

According to the author,the“old rich”get riche_________.

A.through the Social Register          B.through their reputation

C.by investing their inherited wealth     D.by collecting paintings and sculptures

2.

The reason why the“old rich”look down upon the‘new rich’is that         .

A.the former are wealthier than the latter

B.the latter sweat themselves to make money

C.the“new rich”have no interest in arts

D.the“old rich”are conscious of being members of the upper class

3.

The upper class is also called the out-of-sight class because_________.

A.they keep away from the general public

B.they spend most of their time abroad.

C.they don’t communicate with any people

D.they move frequently from place to place

4.

We can learn from the passage that_________.

A.the upper class is powerful and influential

B.the upper class collects rare books to make money

C.the upper class holds all top government positions

D.the“old rich”make much more money than the“new rich”

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5. About 40 _____ of the population of that country _____ on farms.

高三英语单项填空简单题查看答案及解析

In most countries, urban population is ____ while the population of German ___ by 8 percent.

高三英语单项填空中等难度题查看答案及解析