单项选择题


Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A．They found ways to speed up the reproduction of bald eagles.
B．They developed new types of feed for baby bald eagles.
C．They explored new ways to hatch baby bald eagles.
D．They brought in bald eagles from Canada.
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单项选择题
A．Why people hold back their tears.B．Why people cry.C．How to restrain one’s tears.D．How tears are produced.
A．Why people hold back their tears.
B．Why people cry.
C．How to restrain one’s tears.
D．How tears are produced.
单项选择题
A．A hardworking ambitious young man.B．A young man good at managing his time.C．A college graduate with practical working experience.D．A young man with his own idea of what is important.
A．A hardworking ambitious young man.
B．A young man good at managing his time.
C．A college graduate with practical working experience.
D．A young man with his own idea of what is important.
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