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【多选题】
阳离子破乳剂为A.
溴代十五烷基吡啶
B.
十二烷基三甲基溴化铵
C.
十二烷基磺酸钠
D.
十二烷基硫酸钠
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举一反三
【简答题】液体的流动状态用 来判断,其大小与管内液体的平均流速、运动粘度和管道的直径有关。
【单选题】Suppose two dimensional array A[0..8, 0..9] (with element length of 2 bytes) is stored using row major order, and the base address is 400.Then the address of element A[8, 5] is
A.
570
B.
506
C.
410
D.
482
【简答题】液体的流动状态用雷诺系数来判断，其大小与管内液体的（）、运动粘度和管道的（）有关。
【简答题】Tables in China are usually round, and the seat facing the door is normally for the host.
【单选题】Two hundred miles ______ a long distance ______ in two hours even by a fast car.
A.
are, to cover
B.
are, to be covered
C.
is, to cover
D.
is, to be covered
【简答题】The two grils look very _________but they are not sisters.
【判断题】Tables in China are usually round, and the seat facing the door is normally for the host.
A.
正确
B.
错误
【简答题】The two girls look alike.
【单选题】It is reported that the police will soon the case of the two missing children.
A.
look after
B.
look out
C.
look into
D.
look around
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