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

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

【答案】B

【解析】句意:在英语字典中,哪个词在“toothache”(牙痛)之前出现?根据查字典的方法,要根据首字母查找,按26个字母的先后顺序排列,可知toothache的首字母为t,也就是要找一个在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,那就看第二个字母;trust第二个字母为r,toothache中第二个字母为o,o在r之前,说明toothache在trust的前面,故排除trust;teeth的第二个字母e在o之前,也就说在字典中teeth在toothache的前面故答案选B。

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