• 2022-06-03 问题

    Ben’sfatherthinksheshould____first.

    Ben’sfatherthinksheshould____first.

  • 2022-06-06 问题

    Mary was ______ in the exam. A: a first B: first C: the first D: one

    Mary was ______ in the exam. A: a first B: first C: the first D: one

  • 2022-06-16 问题

    Stephanie fell in love with Alex ______. A: at first sight B: at a first sight C: at the first sight D: at first sights

    Stephanie fell in love with Alex ______. A: at first sight B: at a first sight C: at the first sight D: at first sights

  • 2022-06-05 问题

    What is the mindset for China’s energy development? A: quantity first B: quality first C: efficiency first D: price first

    What is the mindset for China’s energy development? A: quantity first B: quality first C: efficiency first D: price first

  • 2021-04-14 问题

    查找算法find( first, last, val)的参数中,first和last表示的范围用下列哪个区间表示比较合适?? [first,; last)|;(first,; last];|( first, last);|[first,; last]

    查找算法find( first, last, val)的参数中,first和last表示的范围用下列哪个区间表示比较合适?? [first,; last)|;(first,; last];|( first, last);|[first,; last]

  • 2022-06-06 问题

    He is ____ one to come to school every day. A: first B: the first C: the D: a first

    He is ____ one to come to school every day. A: first B: the first C: the D: a first

  • 2022-05-30 问题

    The Spring Festival is on ________day of the Chinese lunar year. A: the first B: a first C: first D: one

    The Spring Festival is on ________day of the Chinese lunar year. A: the first B: a first C: first D: one

  • 2022-06-08 问题

    若A→α B β是一个产生式,则把_______加至FOLLOW(B)中。(A) A: FIRST(β)\{ε} B: FIRST(α)\{ε} C: FIRST(β)\{#} D: FIRST(α)\{#}

    若A→α B β是一个产生式,则把_______加至FOLLOW(B)中。(A) A: FIRST(β)\{ε} B: FIRST(α)\{ε} C: FIRST(β)\{#} D: FIRST(α)\{#}

  • 2022-06-30 问题

    ”安全第一” 的正确英语表达 A: safe is first B: safe comes first C: safety comes first D: safety come first

    ”安全第一” 的正确英语表达 A: safe is first B: safe comes first C: safety comes first D: safety come first

  • 2022-06-29 问题

    对下面文法中非终结符First集合描述正确的是()。E->(L)|a|εL->EL+|E A: First(L)={ ( a + } B: First(L)={ ( a + ε} C: First(E)={ ( a + } D: First(E)={ ( a + ε}

    对下面文法中非终结符First集合描述正确的是()。E->(L)|a|εL->EL+|E A: First(L)={ ( a + } B: First(L)={ ( a + ε} C: First(E)={ ( a + } D: First(E)={ ( a + ε}

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