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【简答题】
A．Workers have to walk up and down along the assembly line. B．Workers needn't move while the product is moved. C．Many people accepted the idea of an assembly line at Henry Ford's time. D．Henry Ford's friends supported the idea of an assembly line.
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【多选题】Energy-yielding nutrients include ( ).
A.
vitamins
B.
carbohydrates
C.
fat s
D.
protein s
【简答题】当主人向集体敬酒、说祝酒词的时候,所有人应该____。
【单选题】The alteration include
A.
proliferation and regeneration
B.
atrophy and degeneration
C.
degeneration and necrosis
D.
hyperplasia and degeneration
E.
necrosis and atrophy
【单选题】若M、N分别是△ABC边AB、AC的中点，MN与过直线BC的平面β的位置关系是（ ）
A.
MN ∥ β
B.
MN与β相交或MN?β
C.
MN ∥ β或MN?β
D.
MN ∥ β或MN与β相交或MN?β
【简答题】当主人向集体敬酒、说祝酒词的时候,所有人应该___________________或喝酒。
【多选题】Corin's hobbies include _____.
A.
drawing
B.
climbing
C.
building Lego
D.
ancient history
E.
ski
【简答题】The central lowlands of Scotland include the valleys of the ________, ________ , and _________ .
【简答题】__________ include running and sweating a lot.
【简答题】如图，设a、b是异面直线，AB是a、b的公垂线，过AB的中点O作平面α与a、b分别平行，M、N分别是a、b上的任意两点，MN与α交于点P，求证：P是MN的中点．
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