单项选择题

How many megawatts of electricity were added in 1997

A．45 percent more than was added in 1997.
B．35 percent more than was added in 1997.
C．25 percent more than was added in 1997.
D．15 percent more than was added in 1997.

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单项选择题

When did Germany start to have its wind power industry

A．In1990.
B．In 1991.
C．In 1995.
D．In 1996.

单项选择题

Why does the president of ArcImagining refuse to believe the existence of the ark

A．He has been to the ground.
B．He believes that he bible story is not true.
C．He believes there is nothing to substantiate the claim.
D．He has his own interpretation of the satellite image.