A、<p><span style="font-size: 10.5pt; font-family: 宋体;">水</span>�剂是</p>
B、<p><span style="font-size: 10.5pt; font-family: 宋体;">石油醚</span></p>
C、<p><span style="font-size: 10.5pt; font-family: 宋体;">三氯甲烷</span></p>
D、<p><span style="font-size: 10.5pt; font-family: 宋体;">正丁醇</span></p>
E、<p><span style="font-size: 10.5pt; font-family: 宋体;">乙醇</span></p>
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