单项选择题


Questions 21—23 are based on a passage about cloning. You now have 15 seconds to read Questions 21—23.
Which country passed a law banning human cloning

A．The United States.
B．The United Kingdom.
C．Switzerland.
D．Russia.
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单项选择题
A．Buy a new television set.B．Find another repairman.C．Use a check to pay.D．Talk about the restaurant.
A．Buy a new television set.
B．Find another repairman.
C．Use a check to pay.
D．Talk about the restaurant.
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