单项选择题

This main idea of the country

A．the formation of sugar
B．the role of water in a growing plant
C．the functions of carbon dioxide and water
D．the synthesis of water with carbon dioxide
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单项选择题
Which of the following best describes people who work in large cities and live in villages A) Normal. C) Arrogant. B) Original. D) Insensitive.
A．Which of the following best describes people who work in large cities and live in villages
B．Normal.
C．Original.
D．Arrogant.
E．Insensitive.
单项选择题
From the first paragraph, we know that the author______. A) used to live in the city C) works in the city B) used to work in the country D) lives in the country
A．From the first paragraph, we know that the author______.
B．used to live in the city
C．used to work in the country
D．works in the city
E．lives in the country
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