单项选择题

In the World Year of Physics in 2005, there will be

A．a solar eclipse confirming Einstein's original predictions and general theories
B．more young theorists finishing their experimental check on their ideas
C．many problems of the twentieth century needed dealing with
D．nothing unknown to everyone due to the endeavors of those theorists

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单项选择题

According to the author, our young theorists

A．would spend the whole life in the United States
B．mostly graduated from the U.S. institutes of technology
C．all choose the physics as their favorite major
D．wonder the way in which their theories are tested

单项选择题

OPEC countries choose April 1 as the beginning day to lower the output quota because ______.

A．they expect to keep high oil prices for several months
B．it will take several months until April before they get ready
C．the first step of cutback will take several months to finish
D．they expect to keep oil prices steady with lower demand in April