weight是名词,而疑问词中,what 是相当于名词的。
比如问你多重,可以问how weighty are you (形容词)或what is your weight(名词)或how much do you weigh(动词)。再比如问你岁数,可以问how old(形容词)are you 或what is your age(名词)(这个问法不常用)。可以看出,what 用来代替名词,How是用来修饰形容词或副词的。
为什么weight是用what来提问,麻烦给回复
weight是名词,而疑问词中,what 是相当于名词的。
比如问你多重,可以问how weighty are you (形容词)或what is your weight(名词)或how much do you weigh(动词)。再比如问你岁数,可以问how old(形容词)are you 或what is your age(名词)(这个问法不常用)。可以看出,what 用来代替名词,How是用来修饰形容词或副词的。
因为问你的体重是多少就是 What is your weight