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— It's a mess.
发布时间:
2024-04-10 08:58:08
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1.
My brother’s room is a mess. It needs _________.( ) 选项: A、to be tidying up B、tidying up C、to tidy up D、tidied up
2.
Let's ______away from all those computers, papers and mess. 选项: A: make B: take C: get D: far
3.
Please put these teaching materials in order and don’t leave them ______ a mess. 选项: A:with B:for C:on D:in
4.
My room is a mess. It needs ______. 选项: A、 to be tidying up B、 tidying up C、 to tidy up D、 tidied up
5.
The kitchen is in a mess. It _____________ for several days. 选项: A、 hasn't cleaned B、 isn't cleaned C、 wasn't cleaned D、 hasn't been cleaned
6.
When the sentence“They had made a mess of the house”is turned into passive voice,which the following is CORRECT? 选项:A、A mess had been made in the house. B、A mess had been made by them. C、The house had been made a mess of. D、The house had been made a mess.
7.
When the sentence “They had made a mess of the house” is turned into passive voice, which of the following is CORRECT?(2014) 选项: A、 A mess had been made in the house. B、 A mess had been made by them. C、 The house had been made a mess of. D、 The house had been made a mess.
8.
When the sentence “They had made a mess of the house” is turned into passive voice, which the following is CORRECT?A.] A mess had been made in the house.B.] A mess had been made by them.C.] The house had been made a mess of.D.] The house had been made a mess.
9.
When the sentence “They had made a mess of the house” is turned into passive voice, which of the following is CORRECT?选项: A:A mess had been made in the house.; B:A mess had been made by them.; C:The house had been made a mess of.; D:The house had been made a mess.
10.
When the sentence “They had made a mess of the house” is turned into passive voice, which of the following is CORRECT? 选项:A. A mess had been made in the house. B. A mess had been made by them.C. The house had been made a mess of. D. The house had been made a mess.
11.
考虑如下文法, 分别给出各FIRST和FOLLOW集 1) S→ 0 S 1 | 0 1 2) + S S | * S S | a 3) S→ S ( S ) S | ε 4)S -> S + S | S S | (S) | S * | a 5)S→ ( L ) | a 以及 L→ L , S | S 6)S -> a S b S | b S a S | ε 7)S→S S + | S S * | a
12.
已知文法G[S]: S∷=S(S) S∷=ε 在文法中引入新的开始符号S’,并将S’::=S作为规则0, 已知 I={[S’::= ·S,#]},求CLOSURE(I)。 选项: A:S’->•S,# S->•S(S),#,( S->• #,(; B:S’->•S,# S->•S(S),#,( S->•ε #,(; C:S’->•S,# S->•S(S),# S->• #; D:S’->•S,# S->•S(S),# S->•ε #
13.
已知文法G[S]:S →(L) | aS’S’→S |εL→SL’L’→,SL’ |ε则SELECT(S’ →S)和SELECT(S’→ ε)是( )。 选项:A、SELECT(S’→S)={(,a} ,SELECT(S’→ ε)={,,),#} B、SELECT(S’→S)={(,a} ,SELECT(S’→ε)= {,, ), #,ε} C、SELECT(S’→S)={(,a} ,SELECT(S’→ ε)= { ), #} D、SELECT(S’→S)={(,a} ,SELECT(S’→ ε)= {,, ) }
14.
1μS-5μS 40μS-60μS│2μS-5μS 50μS-60μS│1μS-3μS 40μS-50μS│1μS-5μS 40μS-50μS
15.
Which of the following formula can get S(€/£)? 选项: A:S($/£)S($/€) B:S($/€)S($/£) C:S(€/$)S(£/$) D:S($/£)️S(€/$)
16.
已知文法G[S]: S∷=S(S) S∷=ε 在文法中引入新的开始符号S’,并将S’::=S作为规则0, 已知 I={[S’::= ·S,#]},求CLOSURE(I)。 选项: A、S’->•S, B、 S->•S(S), C、,( S->• D、,( E、S’->•S, F、 S->•S(S), G、,( S->•ε H、,( I、S’->•S, J、 S->•S(S), K、 S->• L、 M、S’->•S, N、 S->•S(S), O、 S->•ε P、
17.
【单选题】在压力为 p 时 ,饱和水的熵为 s ′;干饱和蒸汽的熵为 s ′′。当湿蒸汽的干度0
s>s ′ B.s>s ′′> s ′ C.s
s>s ′′ A. s″ >s>s ′ B. s>s ″> s ′ C. s ′ ″ D. s ′ >s>s ″
18.
【单选题】在压力为 p 时 ,饱和水的熵为 s ′;干饱和蒸汽的熵为 s ′′。当湿蒸汽的干度0
s>s ′ B.s>s ′′> s ′ C.s
s>s ′′ A. s″ >s>s ′ B. s>s ″> s ′ C. s ′ ″ D. s ′ >s>s ″
19.
S2-S1S3-S2S4-S3S5-S4S6-S5△S平均值____________________________________
20.
【单选题】在压力为 p 时 ,饱和水的熵为 s ′;干饱和蒸汽的熵为 s ′′。当湿蒸汽的干度0
s>s ′ B.s>s ′′> s ′ C.s
s>s ′′ A. s″ >s>s ′ B. s>s ″> s ′ C. s ′ ″ D. s ′ >s>s ″
21.
下列描述括号匹配的文法中,哪些是LL(1)文法?(1) S(SS’ |S’ ) |(2) S(S)S |(3) SS(S)S |(4) S(S | S’S’(S’) |
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