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单选题

A．Its amber contains numerous fossils.
B．Its amber is the most durable.
C．Its amber is opaque.
D．It is the site of the oldest amber deposits.

参考答案A

解析:Why is the Dominican Republic an important source of amber?
细节题。根据Because it has a great many inclusions．something likes one insect inclusion for every one hundred pieces．可知，多米尼加是琥珀的重要产地，多米尼加有大量的化石，每一百片里就有一片含有昆虫的化石。inclusions的意思是 “物质、夹杂物”在此联系上下文译为化石。因此，正确答案是A。

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单选题

A．Amber mined from the Appalachian Mountains.
B．Amber with no imperfections.
C．Amber containing organic material.
D．Amber with no inclusions.

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单选题

A．The difficulties faced by the colonists.
B．The skill of military heroes.
C．The courage of one man.
D．The cause of the Revolutionary War.

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单选题

A．He did not fight in the Revolution my War.
B．He did not really exist.
C．He was an important town leader.
D．He was not the only messenger.

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