单项选择题

Questions 11 to 18 are based on the passage you have just heard.

A．He is not to blame.
B．He was responsible for the accident.
C．He will take all the responsibility.
D．He will be more careful next time.

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填空题

The native animals that eat GM crops might be poisoned by ______.

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Scientists use ______ to test whether their genetic modification of a plant is successful.

Questions 11 to 18 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。