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I was ten when I first sat with my grandmother behind the cashier(收银台)in her general store. 71 I quickly learned the importance of treating customers
This is the first time we______ a film in the cinema together as a family.A.seeB.had seenC.sawD.have seen
--Have you finished your first paper?--_______, Just half of it, how about you?A.Not at allB.Not likelyC.Not a bitD.Not yet
AIt was the first snow of winter – an exciting day for every child but not for most teachers. Up until now, I had been old enough to dress myself, bu
Why does the author say Miss Finlayson would remember that first snow day?A.Because the little girl was in her brother’s clothes.B.Because it was the
Edmonds entered the world of politics first asA. news secretary for a congressmanB. a speechwriter for President ClintonC. news secretary in the Whit
When I first entered university, my aunt, who is an English professor, gave me s new English dictionary. I was __36___to se that it was an English En
● Why is (71) fun? What delights may its practitioner expect as his reward? First is the sheer joy of making things. As the child delights in his mud
● 给定文法G[S]及其非终结符A,FIRST(A)定义为:从A出发能推导出的终结符号的集合(S 是文法的起始符号,为非终结符)。对于文法G[S]:S→[L] | aL→L, S| S其中,G[S]包含的四个终结符号分别为:a , [ ]则FIRST(S)的成员包括 (48) 。(48)A. aB