题目内容
14.When _______________ comes to saving energy,big changes start with small steps,like turning off the lights.( )A. | that | B. | this | C. | it | D. | one |
分析 当谈到节省能源,大的变化开始于小的步骤,如关掉灯.
解答 答案:C That 特指可数名词单数和不可数名词 this代指后文提到的事物 it代指上文提到的同一个事物,此处是when it comes to 固定结构,意为当涉及到,当谈到,one 泛指可数名词单数.句意:当谈到节省能源,大的变化开始于小的步骤,如关掉灯.故选C.
点评 本题考查代词,熟知代词及when it comes to 固定结构,当涉及到,当谈到,的基础上便不难选出此题答案.

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