单项选择题

Questions 18-21 are based on the following passage. You now have 20 seconds to read the questions 18-21. How many cats can survive a fall from two or three storeys

A．100%.
B．50%.
C．90%.
D．10%.
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单项选择题
A．practicalB．domesticC．nativeD．new
A．practical
B．domestic
C．native
D．new
单项选择题
A．betweenB．amongC．ofD．from
A．between
B．among
C．of
D．from
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