Can animals be made to work for us
Some scientists think that one day animals may be trained to do a number of
simple jobs that are now done by human beings. They point out that at a circus, for example, we may see elephants, monkeys, dogs and other animals doing quite skillful things. Perhaps you have seen them on the television or in a film. If you watch closely, you may notice that the trainer always gives the animal a piece of candy or a piece of fruit as a reward. The scientists say that many different animals may be trained to do a number of simple jobs if they know they will get a reward for doing them. Of course, as we know, dogs can be used to guard a house, and soldiers in both old and modem times have used geese to give warning by making a lot of noise when a stranger or an enemy comes near. But it may be possible A. Animals are very skillful at a circus. B. They are big and strong. C. Some animals arc as clever as human beings. D. Animals can be trained because they like to get something as a reward. [填空题]Chinese consumers in small cities can play a role in helping Chinese retailers compete against foreign retailers by refusing to buy the commodities offered by foreign retailers.
[单项选择]{{B}}Passage Two{{/B}}
A. They can talk with academic elite from other countries. B. They can make their English more proficient. C. They can maintain website pages in their native tongue. D. They can contact a website in language other than English. [填空题]Two cities that lay at the edge of the Mediterranean more than 1.200 years ago, Herakleion and Eastern Canopus, disappeared suddenly, swallowed by the se
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