单项选择题

Full moons occur when ______.

A．the moon is between the sun and the Earth
B．the Earth is between the moon and the sun
C．the sun is between the Earth and the moon
D．the side of the moon facing the Earth is dark

<上一题目录下一题>

热门试题

单项选择题

The main idea of Paragraph 4 is ______.

A．the counterarguments by oil optimists
B．a brief history of oil mining
C．John Felmy's estimation about oil reserves
D．the oil crisis in the 1970s

单项选择题

The pessimist physicist mentioned in Paragraph 3 says that ______ all the oil in Iraq.

A．each year the world consumes as much oil as
B．since it was discovered, the world has consumed nine times as much oil as
C．the oil that is known to the world but hasn't been mined amounts to more than twice as much as
D．the oil reserves that are still unknown to the world are no less than five times as much as