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CAN ANIMALS BE MADE TO WORK FOR US? 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. The
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What can we learn about pleasure food from the passage?A.It is harmful to health.B.It can
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Which of the following sentences is INCORRECT?A.These vermin do a lot of harm to poultry.B
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() has been defined as a "threat of harm made to compel a person to do something
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Whats the news item mainly about?A.Aircraft noise and smoking do harm to people"s health.B
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Some kinds of winds might cause illness or health problems, because().A、winds from mount
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We must keep away from some _____, for they will do harm to our health.A.chemistryB.