题目

______useful dictionary for beginners of English! Where did you get it?A.HowB.What anC.What aD.How a 答案:C解析:此题重点考查以 what引导的感叹句的基本结构,因dictionary是可数名词的单数,又因useful的首个因素是辅音因素,故选C。若向南走5km记作-5km,则+10km的含义是(  ) A、向西走10kmB、向东走10kmC、向北走10kmD、向南走10km
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