填空题

Penicillin（）(make) from plant material that the body can absorb.

【参考答案】

is made

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单项选择题

Which of the following language has disappeared（）

A．The Latin language.
B．Hebrew.
C．The native languages in the Pacific Islands.
D．The native languages in South America.

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In the sentence All free-market economies, however, keep the rights of businesses in check to some degree through laws and regulations that monitor business activities. , monitor means（）

A．to study
B．to detect
C．to record
D．to direct

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