China’s soybean growing area should be expanded from its current 9 million to 13 mill

A.hectares

B.kilometres

C.inches

D.hackers

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更多“China’s soybean growing area s…”相关的问题

第1题

In the year 2100, the world is going to have a population of about 8 billion. Most scienti

sts agree that the most severe problem is food supply. Who is going to feed all these people？ Where is the food going to come from？ Are we going to have enough food？ Are we going to produce more artificial foods？ One way of improving the situation is for people to eat less meat. Why？ Because it takes 4 kilos of grain protein(蛋白质)to produce half a kilo of meat protein. Clearly, there is not going to be sufficient meat protein for 8 billion people. Therefore, it will also be necessary to change eating habits because meat is the main part of many people s food today. A possible solution to this latter problem is the soybean(大豆). The soybean plant produces beans which have a very high fat and protein content. Scientists can now make these look and taste like real meat. They can also make many other artificial products such as soybean milk, for example, which has a taste of milk and can be used in cooking in very much the same ways as cow s milk. In fact, one woman in the United States fed her family only on soybeans for a year! She gave them soybean beef, soybean chicken, soybean milk, and sometimes just soybeans. Possibly, we are all going to eat soybeans in the future and finally give up meat completely from our tables.

What is the main subject of the passage？

A．A solution to man"s food problem.

B．A solution to the population problem.

C．Advantages of soybean.

D．How to develop good eating habits.

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第2题

Some Stanislaus County farmers are having a tough time harvesting their crops because of a

shortage of workers. For years Vito Chiesa, who farms near Hughson, has grown peaches, but these days he s replacing them with almonds (杏仁). " This is where I started losing peaches," he pointed out to NewslO reporter Tim Daly. "Just like that, we got the bulldozers(推土机)and pushed. You re going to see almonds out there next year." Farmers can t find enough workers to handle crops like peaches that require careful hand picking because machines would damage the ripe peaches and then the farmer could not sell them. Some farmers will soon switch to growing almonds. Almonds are harvested differently. They require fewer workers because trees are mechanically shaken. The almonds fall on the ground and then are gathered up. The farmer does not have to hire many workers to pick the almonds off the trees. Some farmers think there are a couple of reasons for the labor shortage, which is even worse in the southern Central Valley. One is that workers make higher wages doing construction work and there is plenty of that in the Central Valley. Another is that since the September 11, 2001 attacks, there is more enforcement at the state s border with Mexico, resulting in fewer workers coming into California. One solution might be to allow Mexican workers to work here as guests, so people who want to work and contribute to the economy of the U.S. can have the opportunity to provide for themselves and family. That would also help the farm labor situation without making the country less secure. Farmers say that unless things change, more produce will come from South America and China where labor is cheap and there is more competition.

The farmers are reported to have difficulty in______.

A．hiring harvest workers

B．selecting the right fruit to grow

C．selling their farm produce

D．changing their way of farming

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第3题

Man's forehead will grow larger because______.A．he will make use of only about 20% of the

Man's forehead will grow larger because______.

A．he will make use of only about 20% of the brain's capacity

B．the other 80% of his brain will grow in due time

C．he had rather narrow forehead a few hundred years ago