【題目】In an English dictionary, which word comes before “toothache”?

A. while B. teeth C. trust D. uniform

【答案】B

【解析】句意：在英語(yǔ)字典中，哪個(gè)詞在“toothache”（牙痛）之前出現(xiàn)？根據(jù)查字典的方法，要根據(jù)首字母查找，按26個(gè)字母的先后順序排列，可知toothache的首字母為t，也就是要找一個(gè)在t之前的字母即在它前面，while和uniform中w和u都在t之后故排除；teeth 和trust中首字母都是t，那就看第二個(gè)字母；trust第二個(gè)字母為r，toothache中第二個(gè)字母為o，o在r之前，說明toothache在trust的前面，故排除trust；teeth的第二個(gè)字母e在o之前，也就說在字典中teeth在toothache的前面；故答案選B。

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