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【单选题】
“现代农业”导致的后果的有（）A.
在农业上采用工业化生产
B.
食品供给的链条越来越长，环节越来越多
C.
转基因食物出现
D.
以上都是
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【单选题】—How many studying students have returned home recently? —_______. [ ]
A.
Several thousands
B.
Many thousands
C.
Tens and thousands of them
D.
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【单选题】Java中while和do-while循环的主要区别是()
A.
do—while的循环体至少无条件执行一次
B.
while的循环控制条件比do—while的循环控制条件严格
C.
do—while允许从外部转到循环体内
D.
do-while的循环体不能是复合语
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A.
possibly
B.
probably
C.
lovely
D.
likely
【单选题】—How many students are there in your school? —_______ students, I think.
A.
Three thousands
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