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【单选题】
The river has become much _____ than before because of the waste water from the factories.(2013龙岩)
A.
dirty
B.
dirtier
C.
dirtiest
题目标签：龙岩
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参考答案：
参考解析：
刷刷题刷刷变学霸
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【单选题】[2014·龙岩质检]已知向量a＝(1，－1)，b＝(1,2)，向量c满足(c＋b)⊥a，(c－a)∥b，则c＝( )
A.
(2,1)
B.
(1,0)
C.
(
，
)
，)D.
(0，－1)
【单选题】(2011•福建龙岩质检一)“Attention，please.Whoever can answer one of my questions ________receive a prize，” the teacher said in class.
A.
might
B.
shall
C.
should
D.
would
【单选题】Textbooks for junior students _____ for free in most areas of China.(2013龙岩)
A.
provide
B.
provided
C.
are provided
【单选题】深化“平安龙岩”建设奋斗目标。通过五年努力，力争达到()的工作目标。
A.
、六个位居前列
B.
、六个明显增强
C.
、六个坚决防止
D.
、六个位居前列、六个明显增强、六个坚决防止