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【多选题】
百分率(数)有几种表示方法?()
A.
%——100克溶液中含有溶质的克数
B.
%（m/m）——100克固体或液体中含有成份的质量
C.
%（v/v）——100ml液体或气体中含有成份的容量
D.
ppm
E.
ppb
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举一反三
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A.
i=*(*(x+1)+1)
B.
i=x[1][1]
C.
i=*(*(x+1))
D.
i=*(x[1]+1)
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1-异丙氨基-3-[对-(2-甲氧基乙基)苯氧基]-3-丙醇(L-(+)-酒石酸盐)
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【单选题】若有说明语句：int i，x[3][4]；，则不能将x[1][1]的值赋给变量i的语句是(37)。
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