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【单选题】
Lambert-Beer定律只适用于A.
单色光,非均匀,散射,低浓度溶液
B.
白光,均匀,非散射,低浓度溶液
C.
单色光,均匀,非散射,低浓度溶液
D.
单色光,均匀,非散射,高浓度溶液
E.
复色光,均匀,低浓度溶液
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皮皮学刷刷变学霸
举一反三
【单选题】It must be dangerous a car a snow day. A. to drive ; in B. to drive; on C. drive; in D. drive ;on
A.
to drive ; in
B.
to drive; on
C.
drive; in
D.
drive ;on
【单选题】Be careful _ too fast, or there _ be an accident.
A.
not to drive; must
B.
to not drive; may
C.
not drive; must
D.
not to drive; may
【单选题】It may be dangerous _____ a car _____ a snowy day. [ ]
A.
to drive, in
B.
to drive, on
C.
drive, in
D.
drive, on
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