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单项选择题

A．To transport water to higher place.
B．To transport vegetables quickly.
C．To bring nutrients to the soil.
D．To adjust the soil temperatur
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热门试题

单项选择题A．Language courses.B．Universities.C．British and American English.D．Literature courses.

A．Language courses.
B．Universities.
C．British and American English.
D．Literature courses.

单项选择题A．Begging food from the tourists.B．Attacking the tourists.C．Dropping wastes on the tourists.D．Making loud noise to disturb the tourists.

A．Begging food from the tourists.
B．Attacking the tourists.
C．Dropping wastes on the tourists.
D．Making loud noise to disturb the tourists.