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更多“转基因动物（transgenic animal)”相关的问题
第4题
Advocates of transgenic crops claim that______.A．these crops have no harm to the environme
Advocates of transgenic crops claim that______.
A．these crops have no harm to the environment in their growing
B．food from these crops are healthier than from the conventional
C．these crops will certainly replace the conventional
D．these crops can greatly help to feed the world
第5题
The 1990s saw the birth of the famous sheep ____ (the first mammal produced from a don
The 1990s saw the birth of the famous sheep ____ （the first mammal produced from a don
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or cell taken from an adult rather than from an embryo), then Polly, a transgenic animal produced through cloning.
