第五題關(guān)鍵詞是用特殊字體標(biāo)注的超綱詞匯,定位到第3個小標(biāo)題Less smoking第一段末句“It probably has something to do with the fact that nicotine (尼古。 is an appetite suppressant and appears to up your metabolic rate”。根據(jù)對短語appetite suppressant(食欲遏制劑)的理解可以判斷選項A) It threatens their health. B) It heightens their spirits. C) It suppresses their appetite. D) It slows down their metabolism.中正確答案是C),四個選項中可能只有suppressant一詞是大部分考生不熟悉的,但也不必緊張,因為答案中用了suppressant的動詞形式suppress,另外一個關(guān)鍵詞appetite與其同時出現(xiàn),只是因詞形有變化,所以詞序隨之改變。
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