单项选择题

A．in AfricaB．in gravel at the bottom of rivers and stre……

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

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热门试题

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

单项选择题Question 7 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.

A．Martti Ahtisaari
B．Aceh
C．Helsinki
D．Government official

单项选择题Question 8 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.

A．send 3,000 troops to Iraq
B．hasten the withdrawal of its troops from Iraq
C．pull its troops out of Iraq in September
D．draw its troops to safeguard the G8 summit.

单项选择题Except jewelry, diamonds can be used as ______.

A．crown
B．industrial diamonds
C．shirt
D．coat

单项选择题Diamonds are so hard that only _____ can cut it.

A．a man who knows all about diamonds
B．diamond-edged tools
C．a special cutter
D．diamond cutter