单项选择题

According to the passage, it may soon be possible

A．to make something as good as human skin.
B．to produce drugs without side effects.
C．to transplant human organs.
D．to make artificial hearts and eyes.

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热门试题

单项选择题

Organic chemistry helps to produce materials that are

A．as good as wool.
B．as good as an insect's body.
C．not as good as natural materials.
D．better than natural materials.

单项选择题

According to the passage, the science of the future is likely to be

A．electronics.
B．biotechnology.
C．genetic engineering.
D．nuclear technology.