单项选择题

The words" Youth Summit" refer to ______.

A．visits to the Nixon Library
B．the Chinese students' visit to file U. S.
C．a meeting discussing relations between China and the U. S.
D．activities to strengthen the ties between the Chinese and American students

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热门试题

单项选择题

Crops can be produced in desert only because ______.

A．there is a lot of rain
B．there is one reservoir
C．the people work together for the benefit of all
D．many wells have been found

单项选择题

In dry weather the farmers who live higher up the valley ______.

A．share the water with their neighbours
B．keep all the water for themselves
C．build canals across the fields of other farmers
D．work hard to store water