单项选择题

What statement of the following is true

A．NASA has been sending astronauts to the moon again and again.
B．NASA has been debating with the doubters for a long time.
C．Doubters have been going to NASA year after year.
D．Doubters have been going around the world to argue.

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单项选择题

The doubters think the most apparent evidence that the US faked the moon mission is ______.

A．a picture of astronauts planting the American flag
B．the rocks brought back from the moon
C．the American flag on the moon
D．the wind on the moon

单项选择题

Girls don't want to achieve higher than boys because ______.

A．they are not as clever as boys
B．they want to be less girl-like
C．they don't want to be too attractive
D．they are more interested in other subjects