单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．Because it was one of the first tools.
B．Because it developed human capacities.
C．Because it led to the invention ol machines.
D．Because it was crucial to the development of mankind.
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单项选择题
A．Dr. Johnson’s class is already full.B．The reserved seats are for faculty only.C．He will give the woman a chance after she waits a while.D．No exceptions can be made with regard to registration policy.
A．Dr. Johnson’s class is already full.
B．The reserved seats are for faculty only.
C．He will give the woman a chance after she waits a while.
D．No exceptions can be made with regard to registration policy.
单项选择题
A．They made them by knives.B．They found adequate stones.C．They used bones of animals.D．They made tools by hitting stone against stone,
A．They made them by knives.
B．They found adequate stones.
C．They used bones of animals.
D．They made tools by hitting stone against stone,
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