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【单选题】
FOR hap=200 TO 2 Step -2 ...... NEXT 以上循环语句执行的次数为 ( ) 次A.
98
B.
100
C.
101
D.
198
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【简答题】听力原文：By the year 2000, the population of the developing world living in areas had risen to about 46% and it is estimated to reach more than 57% by the year 2025. (55)
【单选题】The population growth rate in the US is______.
A.
higher than that in India
B.
lower than that in Mexico
C.
higher than that in Indonesia
D.
lower than that in South America
【单选题】The US government will take measures to reduce the overall population risk.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】The US population in the 1970s is ______ largest of the world.
A.
the first
B.
the second
C.
the third
D.
the fourth
【单选题】In the poorest nations of the world, more than half of the population ______ on farms.
A.
have lived
B.
live
C.
are living
D.
lives
【简答题】在繁殖制种期,种鸽的公母比例为____;一对种鸽正常产蛋,一窝产____枚。
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