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【单选题】
某工程的赢得值曲线如下图,关于t1成本和进度状态的说法,正确的是( )。A.
费用超支、进度超前
B.
费用节约、进度超前
C.
费用超支、进度拖延
D.
费用节约、进度拖延
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举一反三
【单选题】Because of climate change, the ice that polar bears depend on for survival .
A.
are slowly disappearing
B.
is slowly disappearing
C.
are slowly disappeared
D.
have slowly disappeared
【简答题】A．They are difficult to read. B．They are slowly falling apart. C．They were not made from wood pulp. D．They should be stored, in a cold place.
【简答题】下列基团极性从小到大排列正确的是( )A. Ar-OH 、 -COOR 、 -CHO 、 -OCH3 B. Ar-OH 、 -CHO 、 -OCH3 、 -COOR C. Ar-OH 、 -CHO 、 -COOR 、 -OCH3 D. C.Ar-OH 、 -OCH3 、 -CHO 、 -COOR
【单选题】which of the following statement is incorrect?
A.
Changes are slowly taking place in all sectors of the British society.
B.
The gap between working -class and middle- class young people is narrowing
C.
different in income will remain but those in occupation will disappear
D.
middle-class people may sometimes feel inferior to working-class people!
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