问答题

Family Education 1. 你对图片的描述。 2. 你对图片的理解。 3. 对我们的启发。

【参考答案】

Family Education There is a picture whic......

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The disadvantage of the patchwork of US regulatory agencies that govern agricultural biotech is that ______.
A．none of these agencies is responsible for wild plants
B．one thing is omitted from the patchwork: human tolerance for pesticides
C．there is bureaucratic cracks and the public interest is ignored
D．pesticides are exempt from FDA' s reach
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Which of the following statements is true of superweeds
A．Superweeds could eradicate food crops.
B．Crops genetically engineered to resist pesticides could make superweeds grow high.
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D．Superweeds could grow between cracks.
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