中国大学MOOC: (nth 2 (2 3 (4 5) 5))表达式的值为：A.2 B.3 C.(2 3) D.(4 5)
中国大学MOOC: (nth 2 (2 3 (4 5) 5))表达式的值为：A.2 B.3 C.(2 3) D.(4 5)
p:( )选择了第一个子元素p，如果第一个子元素不是p,则不会选中任何元素。 A: first-child B: first-of-type C: nth-first D: nth-first-child
p:( )选择了第一个子元素p，如果第一个子元素不是p,则不会选中任何元素。 A: first-child B: first-of-type C: nth-first D: nth-first-child
(nth 2 '(2 3 (4 5) 5))表达式的值为：A.2 B.3 C.(2 3) D.(4 5) A: 错 B: 错 C: 错 D: 对
(nth 2 '(2 3 (4 5) 5))表达式的值为：A.2 B.3 C.(2 3) D.(4 5) A: 错 B: 错 C: 错 D: 对
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
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
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
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]
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
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
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)\{#}