This is an argument: Genetic engineering should be curtailed because there hasn’t been sufficient research into what happens when new varieties are created without natural predators to hold them in check.
A.正确
B.错误
正确答案：正确
This is an argument: Genetic engineering should be curtailed because there hasn’t been sufficient research into what happens whe
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This is an argument: Biscuits can be bad for your teeth. We often eat mid-morning when the effects of breakfast have worn off. B
This is an argument: Genetic engineering really worries me. I don’t think it should be allowed.
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