单项选择题

According to the passage, genetically-modified foods _________.

A．are superior to naturally grown foods
B．might prove to be risky to human health
C．are going to replace naturally grown foods
D．can solve the food problems in developing countries

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热门试题

单项选择题

The author's attitude toward genetically-modified foods is _________.

A．indifferent
B．cautious
C．disapproving
D．optimistic

单项选择题

It can be inferred from the passage that _________.

A．genetically modified foods contain more vitamin than ordinary foods
B．the U.S. is the country which uses genetically-modified foods the most
C．genetically-modified foods are wildly used though they are still in debate
D．genetically-modified foods are more welcomed in poor countries than in rich countries