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【单选题】
琼脂糖电泳时,从阳极至阴极LD同工酶区带依次为( )A.
LD 2, LD 1, LD 3 ,LD 4 ,LD 5
B.
LD 5 ,LD 1, LD 2, LD 3 ,LD 4
C.
LD 3 ,LD 1, LD 2, LD 4 ,LD 5
D.
LD 1, LD 2, LD 3 ,LD 4 ,LD 5
E.
LD 4 ,LD 1, LD 2, LD 3 ,LD 5
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皮皮学刷刷变学霸
举一反三
【简答题】系统训练原则的科学基础
【单选题】All that can be done ____.
A.
has been done
B.
have been done
C.
have done
D.
has done
【单选题】Meat _______ out in this shop . We can _________ now. [ ]
A.
have been sold, get nothing
B.
has been sold, get nothing
C.
has been sold, get some
D.
have been sold, get some
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【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【简答题】上市公司的年度预算方案和决算方案可由股东大会以（ ）通过。
【简答题】Can you i______( 想象 )they have been married for 60 years?