1.正確答案：C.
2.該題最好能把它還原成陳述句來(lái)理
This is the way you think of ____ the city of white pollution in practice.
3.所以,該題主干是This is the way.
其后是一個(gè)定語(yǔ)從句,修飾先行詞the way.
根據(jù)定語(yǔ)從句的語(yǔ)法,把先行詞the way放入后面的句子中去,即：
you think of the way ____ the city of white pollution in practice.
因?yàn)殛P(guān)系代詞which/that代替先行詞the way在上述定語(yǔ)從句中做think of的賓語(yǔ),所以關(guān)系代詞which/that可以省略不寫.
4.該定語(yǔ)從句中,the way做think of的賓語(yǔ),而____ the city of white pollution in practice又是the way的后置定語(yǔ).
不知道樓主聽(tīng)說(shuō)過(guò)這兩個(gè)固定搭配沒(méi)有：
the way to do sth = the way of doing sth “做某事的方法”
所以,該題的答案應(yīng)該是：to rid 或 of ridding.