________medicineworksinahumanbodyisaquestion________not...
来源：语文精选馆 3.2W
问题详情：
________ medicine works in a human body is a question ________ not everyone can understand fully.
A．What; that B．How; that C．That; what D．That; which
【回答】
B
【详解】
考查名词*从句和定语从句。句意：*物如何在人体中起作用是一个并非所有人都能完全理解的问题。 分析句子结构可知，______ medicine works in a human body是主语从句，其主谓不缺少，只缺少状语，缺少的是状语，依据题意，故填how。a question被定语从句not everyone can understand fully修饰，先行词a question指物，在定语从句中作宾语，可填that/which。综合可知。故选B。
知识点：定语从句
题型：选择题
