题目内容：

what will the world be like还是how will the world be like?

优质解答

what will the world be like
like前面有be说明,这里是介词,介词后面只能接代词或名词类的词构成介宾结构.
而how提问时是疑问副词,所以排除.
what 是疑问代词,所以选what