单项选择题

Why knights fought bravely to win kingdoms rich with diamonds

A．Diamonds are very valuable.
B．They want to become the richest man
C．They think it is more important to discover diamonds than to discover new lands.
D．They are eager for jeweled crowns.

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热门试题

单项选择题

Most diamonds can be found ______.

A．in Africa
B．in gravel at the bottom of rivers and streams
C．in desert sand
D．in or near meteorites

单项选择题

The following are the characters of diamonds EXCEPT ______.

A．they sparkle and glitter in the light
B．they are very hard
C．they are very valuable
D．they are tiny