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单项选择题


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

A．Botany is a very ancient learning.
B．People in the Stone Age knew a lot about plants.
C．People in the Stone Age knew little about plants.
D．Pre-industrial societies have little insights about plants.
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单项选择题A．One month,B．One month and a half.C．Two months.D．Two months and a hale

A．One month,
B．One month and a half.
C．Two months.
D．Two months and a hale

单项选择题A．She broke the microphone:B．She was interrupted by a phone call during her presentation.C．She is planning to give her presentation as soon as the microphone is fixed.D．The microphone broke just as she began her presentation.

A．She broke the microphone:
B．She was interrupted by a phone call during her presentation.
C．She is planning to give her presentation as soon as the microphone is fixed.
D．The microphone broke just as she began her presentation.