单项选择题

A．They spray some on organic food.
B．They hire human volunteers.
C．They test only on animals.
D．They make sure the products don"t cause cancer.
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单项选择题
A．Other languages might be lost in the future.B．Native speakers will lose some of their advantage.C．The popularity of English will make the world less competitive.D．The English language will lose its purity.
A．Other languages might be lost in the future.
B．Native speakers will lose some of their advantage.
C．The popularity of English will make the world less competitive.
D．The English language will lose its purity.
单项选择题
A．She doesn t agree with him.B．She regrets that she took a sociology class.C．She plans to think twice next year.D．She thanks for the man s help last term.
A．She doesn"t agree with him.
B．She regrets that she took a sociology class.
C．She plans to think twice next year.
D．She thanks for the man"s help last term.
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