题目内容
11．There are so many foggy days these days．We all wonder ．（ ）| A． | how is the air polluted | |
| B． | why the air is polluted seriously | |
| C． | what are the real reasons |
分析 这些日子雾天太多了．我们都想知道为什么空气被污染的这么严重．
解答 答案：B．根据We all wonder--在这里wonder的意思是想知道，它是一个及物动词，后面可以跟宾语，如果是一个句子作宾语的话，称作宾语从句．在宾语从句中所使用的语序应该是陈述句语序，选项AC是疑问句语序，所以排除掉．故选B．
点评 本题考查了宾语从句的有关知识．解答时注意三要素：时态、语序和引导词．
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