单项选择题

A．Nine out of ten cats have a better chance of survival.
B．What is the significance of the seventh floor
C．What’s the cats’ terminal speed
D．Most cats can survive when falling.
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单项选择题
A．Cats can change their position while falling.B．The force of impact with the ground over four legs is spread.C．Cats can land on their feet after falling.D．Their muscles can absorb more of the force of impact.
A．Cats can change their position while falling.
B．The force of impact with the ground over four legs is spread.
C．Cats can land on their feet after falling.
D．Their muscles can absorb more of the force of impact.
单项选择题
A．The farther you live outside the city, the lower the rents will be.B．Traveling to and from is as expensive as living in the city.C．Many people start to look for houses from Saturday morning.D．In many cities the Sunday newspaper can be obtained late Saturday night.
A．The farther you live outside the city, the lower the rents will be.
B．Traveling to and from is as expensive as living in the city.
C．Many people start to look for houses from Saturday morning.
D．In many cities the Sunday newspaper can be obtained late Saturday night.
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