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【多选题】
土地人口承载力研究的两大部分是 ( ) 。A.
人口的承载潜力研究
B.
作物的单产潜力研究
C.
作物的适宜性评价
D.
土地资源的生产潜力研究
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【单选题】The highway through the rain forest was completed in 1990, _________some animal species have died
A.
33．The highway through the rain forest was completed in 1990, _________some animal species have died off. A．by when
B.
since then
C.
since when
D.
by which time
【单选题】The famous singer is traveling across the country,_________her new album.A．classifyingB．expanding
A.
33．The famous singer is traveling across the country,_________her new album. A．classifying
B.
expanding
C.
increasing
D.
Promoting
【简答题】A．A very popular food plant. B．A plant with limited uses. C．A food plant which has been used. D．A plant used as a main food.
【单选题】The meeting is to begin in a minute, but there are ______50 people in the meeting hall.A．more tha
A.
33．The meeting is to begin in a minute, but there are ______50 people in the meeting hall. A．more than
B.
not more than
C.
no more than
D.
much more than
【简答题】充盈系数
【简答题】砼充盈系数
【单选题】The Day of the Dead, an ancient Mexican festival, is not a sad day, but _________time to celebrat
A.
33．The Day of the Dead, an ancient Mexican festival, is not a sad day, but _________time to celebrate__________cycle of life. A．a, the
B.
不填, the
C.
不填,a
D.
the, a
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