11.Sometimesit might/may be helpful to use examples to explain abstract concepts.(helpful)有時(shí)候舉例也許有助于解釋抽象的概念.

分析 it might/may be helpful

解答 通過比較英漢句子,漢語句子的主語為"舉例",對(duì)應(yīng)英語句子中的不定式to use example,而此處to use example卻在句后,可以推測此句應(yīng)用it作形式主語,真正的主語在后面--不定式to use example.因此答案為it might/may be helpful.
此處表示可能性,用情態(tài)動(dòng)詞may/might,helpful表示"有幫助的".

點(diǎn)評(píng) 翻譯時(shí)注意情態(tài)動(dòng)詞might/may的用法,表示也許,可能.

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