【单选题】
) 1. Even Tony’s six-year-old son asked him ______ smoking.
A. stops B. stopped C. to stop D. stopping
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【单选题】
2.—What do you think of the lecture of Li Yang’s Crazy English?
— I think it’s _______ , but someone thinks it’s much too ________.
A. wonderful enough; bored B. enough wonderful; boring
C. enough wonderful; bored D. wonderful enough; boring
【单选题】
3.—He didn’t go to the lecture this morning, did he?
— _____ ．Though he was not feeling very well．
A. No, he didnt B. Yes; he did C. No, he did D. Yes, he didnt
【单选题】
4. If you read a lot, your life ______ full of pleasure.
A. will be B. is C. be D. was
【单选题】
5. The black bag _________ be Annas. She has a blue one.
A. should B. cant C. wouldnt D. could
【单选题】
6. Susan, why are you still here? They are all ready to start.
Im sorry, but I _________ when to start.
A. dont tell B. wasnt told C. didnt tell D. havent told
【单选题】
7.—Why dont you choose the red tie?
—For me, it doesn’t _____ my shirt very well．
A. fix B. accept C. compare D. match
【单选题】
8. — Could you tell me ______? I must find him．
— Sorry．I don’t know．But he was here just now．
A. where Tom was B. where Tom is
C. where has Tom gone D. where can I find Tom
【单选题】
9. —What did Mr Green say to you?
— What a heavy rain! How did you come here? He asked________.
A. at all B. in fact C. in surprise D. as a result
【单选题】
10. I often see Tom on the playground．When I passed the playground yesterday, I saw him ．
A. play; playing B. to play; play C. playing; to play D. playing; play
【单选题】
11. — Mum, could I have ____________ to drink?
— Oh, dear．You can only drink some water．There is _________ in the kitchen．
A. anything; else something B. anything; something else
C. something; else nothing D. something; nothing else
【单选题】
12. We all know that learning a foreign language _______ time and effort.
A. requires B. reduces C. removes D. repeats
【单选题】
13. Her son __________ Coke, but now he __________ milk．
A. is used to drinking; used to drink B. used to drink; uses to drink
C. used to drink; is used to drinking D. is used to drink; is drinking
【单选题】
14. I don’t know the teacher is talking with Miss Wang．
A. what B. whom C. who D. which
【单选题】
15.Millie does __________ that many people are thankful to her．
A. such an important and helpful job B. so important and helpful work
C. a very important and helpful job D. such an important and helpful work
【单选题】
16. I think eating more vegetables is good _______ our health.
—Yes, I agree _______ you.
A. at, to B. for, with C. to, to D. for, to
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered.
Sorry, I ______ with my friends at that time.
A. had swum B. swam C. would swim D. was swimming
【单选题】
19.––Who is on the playground? ---__________．
A. Never B. None C. No one D. A lot
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday.
A. helps B. helped C. will help D. has helped
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
【单选题】
23. —What was Jim wearing at the party?
— Nothing _______. He was in his usual shirt and jeans.
A. special B. simple C. important D. interesting
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there?
Maybe, if possible.
A. are held B. will be held C. were held D. have been held
【单选题】
25. — David, look at the man in white over there．Can you tell me _______ ?
—He is a doctor．
A. who is he B. who he is C．what does he do D. what he does
【单选题】
( ) 26.With help from a Mr. H, you can__________.
A. stop wearing your watch B. get new books and objects
C. finish your homework on time D. know when parents or teachers are near
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________.
A. repair your TV B. put away your books and objects
C. become a James Bond D. get a daily weather report
【单选题】
( ) 28. You can get your Mr. H for___________.
A. $299 B. $499 C. $199 D. $99
【单选题】
( ) 29. When was canned food invented?
A. In 1870. B. In 1810. C. In 1902. D. In 1926.
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company.
A. helped to keep food B. made rooms comfortable
C. caused health problems D. hurt printing paper
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions?
A. People's needs. B. Public support.
C. Modern technology. D. Practical suggestions.
【单选题】
( ) 33. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 34. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 35. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 36. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 38. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 39. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March
【单选题】
( ) 40. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【单选题】
) 1. —Is it far from here to the bank?
—Not very, only________．
A. 20 minute’s walk B. 20 minutes walk
C. 20 minutes’ walk D. 20 minutes’ walks
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【单选题】
由n个命题变元组成不等值的命题公式的个数为___。
【单选题】
设P：我将去镇上，Q：我有时间。命题“我将去镇上，仅当我有时间时”符号化为___。
A. P→Q
B. Q→P
C.
D. ﹁Q∨﹁P
【单选题】
下列各组公式中，哪组是互为对偶的？___。
A. P,P
B. P,﹁P
C. A,(A*)*
D. A,A
【单选题】
设P：我们划船，Q：我们跑步。命题“我们不能既划船又跑步”符号化为___。
A. ﹁P∧﹁Q
B. ﹁P∨﹁Q
C. ﹁( )
D.
【单选题】
设P：张三可以做这件事，Q：李四可以做这件事。命题“张三或李四可以做这件事”符号化为___。
A. P∨Q
B. P∨﹁Q
C.
D. ﹁(﹁P∨﹁Q)
【单选题】
命题公式(P∧(P→Q))→Q是___。
A. 矛盾式
B. 蕴含式
C. 重言式
D. 等值式
【单选题】
P→Q的逆反式是___。
A. Q→﹁P
B. P→﹁Q
C. ﹁Q→P
D. ﹁Q→﹁P
【单选题】
﹁P→Q的逆换式是___。
A. Q→﹁P
B. P→﹁Q
C. ﹁Q→P
D. ﹁Q→﹁P
【单选题】
已知A是B的充分条件，B是C的必要条件，D是B的必要条件，则A是D的___。
A. 充分条件
B. 必要条件
C. 充要条件
D. A，B，C都不对
【单选题】
﹁P→Q的反换式是___。
A. Q→﹁P
B. ﹁P→﹁Q
C. ﹁Q→﹁P
D. P→﹁Q
【单选题】
重言式的否定式是___。
A. 重言式
B. 矛盾式
C. 可满足式
D. 蕴含式
【单选题】
命题公式P→Q∧R的对偶式为___。
A. P→(Q∨R)
B. P∧(Q∨R)
C. ﹁P∨(Q∧R)
D. ﹁P∧(Q∨R)
【单选题】
命题公式P→(Q↓P)是___。
A. 重言式
B. 可满足式
C. 矛盾式
D. 等值式
【单选题】
P ﹁Q ___。
A. ﹁P→(P→﹁Q)
B. (﹁P∨Q)∧(﹁Q∨P )
C. (﹁P∨﹁Q)∧(﹁Q∨P)
D. (﹁P∨﹁Q)∧(Q∨P )
【单选题】
命题公式﹁(P∧Q)→R的主析取范式中含极小项的个数为___。
【单选题】
命题公式﹁(P∧Q)→R的主析取范式中含极大项的个数为___。
【单选题】
命题公式﹁(P∧Q)→R的成真赋值为___。
A. 000，001，110
B. 001，011，101，110，111
C. 全体赋值
D. 无
【单选题】
谓词公式 ( x)(P(x)∨( y)R(y))→Q(x) 中量词 x的作用域是___。
A. ( x)(P(x)∨( y)R(y))
B. P(x)
C. P(x)∨( y)R(y)
D. P(x) ,Q(x)
【单选题】
谓词公式 ( x)(P(x)∨( y)R(y))→Q(x) 中变元x是___。
A. 自由变量
B. 约束变量
C. 既不是自由变量也不是约束变量
D. 既是自由变量也是约束变量
【单选题】
设谓词P(x):x是奇数，Q(x):x是偶数，谓词公式 ( x)(P(x) Q(x)) 在下面哪个论域中是可满足的？___
A. 自然数集
B. 整数集
C. 实数集
D. 以上均不成立
【单选题】
设C(x):x是运动员，G(x):x是强壮的。命题“没有一个运动员不是强壮的”可符号化为___。
A. ﹁( x)( C(x) ﹁G(x) )
B. ﹁( x)( C(x)→﹁G(x) )
C. ﹁( x)( C(x) ﹁G(x) )
D. ﹁( x)( C(x)→﹁G(x) )
【单选题】
设A(x):x是人，B(x):x犯错误，命题“没有不犯错误的人”符号化为___。
A. ( x)( A(x)
B. (x) ) B、﹁( x)( A(x)→﹁B(x) )
C. ﹁( x)( A(x) B(x) )
D. ﹁( x)( A(x) ﹁B(x) )
【单选题】
设Z(x):x是整数，N(x):x是负数，S(x,y):y是x的平方，则“任何整数的平方非负”可表示为下述谓词公式：___。
A. ( x) ( y) ( Z(x) S(x,y)→﹁N(y ))
B. ( x) ( y) ( Z(x) S(x,y)→﹁N(y ))
C. ( x) ( y) ( Z(x)→S(x,y) ﹁N(y ))
D. ( x) ( Z(x) S(x,y)→﹁N(y ))
【单选题】
令F(x):x是火车，G(y):y是汽车，H(x,y):x比y快。则语句“某些汽车比所有的火车慢”可表示为：___。
A. ( y) (G(y)→( x) (F(x) H(x,y )))
B. ( y) (G(y) ( x) (F(x)→H(x,y )))
C. ( x) ( y) (G(y)→(F(x) H(x,y )))
D. ( y) (G(y)→( x) (F(x)→H(x,y )))
【单选题】
设个体域A={a,b}，公式 ( x)P(x) ( x)S(x) 在A中消去量词后应为___。
A. P(x) S(x)
B. P(a) P(b) (S(a) S(b))
C. P(a) S(b)
D. P(a) P(b) S(a) S(b)
【单选题】
在谓词演算中：P(a)是( x)P(x)的有效结论，其理论根据是___。
A. 全称规定规则（US）
B. 全称推广规则（UG）
C. 存在规定规则（ES）
D. 存在推广规则（EG）
【单选题】
设A={x|x3-x=0}, B={x|x2-4<0,x∈Z}, C={x|y=2x-1}, D={x|x+y=5,xy=6}，则有___。
A. A=B
B. A=C
C. C=D
D. C=A
【单选题】
在0________Φ之间填上正确的符号。 ___
【单选题】
设M={x|f1(x)=0},N={x|f2(x)=0}，则方程f1(x)·f2(x)=0的解为___。
【单选题】
幂集(P(P(P(Φ)))为___。
A. {{Φ},{Φ,{Φ}}}
B. {Φ,{Φ,{Φ}},{Φ}}
C. {Φ,{Φ,{Φ}},{{Φ}},{Φ}}
D. {Φ,{Φ,{Φ}}}
【单选题】
集合A={1,2,…,10}上的关系R={<x,y> | x+y=10, x∈A, y∈A}，则R的性质为 ___。
A. 自反的
B. 对称的
C. 传递的，对称的
D. 反自反的，传递的
【单选题】
设S={1,2,3}，下图给出了S上的两个关系R1，R2，则复合关系 是___。
A. 自反的
B. 传递的
C. 对称的
D. 等价的
【单选题】
设A={1,2,3,4,5}，ρ={<i,j>| i<j,i,j∈A}，则 的性质是___。
A. 对称的
B. 自反的
C. 反对称的
D. 反自反、反对称、传递的
