单项选择题

The first scientific air flight was designed by

A．a Greek.
B．an Englishman.
C．a Chinese.
D．an Italian.
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单项选择题
The priest failed to build the boat because
A．he could not raise enough money.
B．his design was not scientific.
C．he could not find enough copper.
D．copper spheres could not be made as designed.
单项选择题
According to the English legend, King Bladud lost his life because
A．he flew too far.
B．he flew too high.
C．he fell to the ground.
D．he was hit by a stone.
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