单项选择题


Questions 19 to 21 are based on the conversation you have just heard.

A．Not clearly specified.
B．Not likely to be met.
C．Reasonable enough.
D．Apparently nonexistent.
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单项选择题
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.
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.
单项选择题
A．Stop thinking about the matter.B．Talk the drug user out of the habit.C．Be more friendly to his schoolmate.D．Keep his distance from drug addicts.
A．Stop thinking about the matter.
B．Talk the drug user out of the habit.
C．Be more friendly to his schoolmate.
D．Keep his distance from drug addicts.
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