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【单选题】
不属于脑干的解剖结构为A.
中脑
B.
脑桥
C.
间脑
D.
延髓
E.
海马
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皮皮学刷刷变学霸
举一反三
【单选题】Sediment organic matter ( ) by analytical pyrolysis-gas chromatography-mass spectrometry were characterized.
A.
partitions
B.
portions
C.
fractions
D.
compartments
【简答题】Those foods labeled simply 'organic' must have at least ______ organic ingredients.
【单选题】Which of the following is NOT the reason for eating organic food?
A.
Organic food does not have pesticides.
B.
Organic food is much cheaper.
C.
Pesticides are linked to many diseases of children.
D.
Organic food is more beneficial to health.
【单选题】The ______ of sediment in the river caused concern among environmentalists and industrialists alike the water levels in the river were being reduced almost daily.
A.
accretion
B.
disposal
C.
catalyst
D.
alienation
E.
ethnology
【单选题】The organic matter may partially ( ), using up the dissolved oxygen in the sediment.
A.
dedicate
B.
decompose
C.
defect
D.
decorate
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