Always read the on the bottle carefully and take the right amount of medicine.
A. explanations
B. instructions
C. descriptions
D. introductions
网友回答
A. explanations
(答案→)B. instructions
C. descriptions
D. introductions
解析:考查名词辨析。句意:要仔细阅读瓶子上的说明,服用适当剂量的药。A解释;B指令,使用说明;C描述;D介绍,引言。这里指药物的说明书,而不是对某件事的解释,故选B。