单项选择题

A．By the end of this century.
B．By the first half of this century.
C．By the second half of this century.
D．In the middle of this century.
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单项选择题
A．He wants to do the good thing.B．He probably won’t listen to the man’s advice.C．He has decided not to buy the house.D．He has made a good decision.
A．He wants to do the good thing.
B．He probably won’t listen to the man’s advice.
C．He has decided not to buy the house.
D．He has made a good decision.
单项选择题
A．Casual contact with AIDS victims will not lead to AIDS.B．Publics don’t know how AIDS spreads yet.C．There are many ways of contact in catching AIDS.D．Doctors don’ t know how to prevent the spread of AIDS to others.
A．Casual contact with AIDS victims will not lead to AIDS.
B．Publics don’t know how AIDS spreads yet.
C．There are many ways of contact in catching AIDS.
D．Doctors don’ t know how to prevent the spread of AIDS to others.
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