单项选择题

The passage mainly deals with _________.

A．the world's food problems
B．the new-advancement in biotech
C．the characteristics of genetically modified foods
D．how biotech can help solve the world's food problems

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热门试题

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

单项选择题

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

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