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如何一步步的跟踪代码,找到问题,搞明白为何程序不能正常运

时间:2018-01-21 16:28来源:未知 作者:admin 点击:
2.如何一步步的跟踪代码,找到问题,搞明白为何程序不能正常运行,这个过程称为()。 A. 编写程序 B. 调试程序 C. 执行程序 D. 编译程序 正确答案:B满分:2分 3.一般情况下,算法中基本操作重复执行的次数是问题规模n的某个()。 A. 导数 B. 指数 C. 对数 D.

13春学期《大学英语(一)》在线作业4
试卷总分:100 测试时间:--
单选题
阅读理解
完型填空

、单选题(共 25 道试题,共 50 分。)
1. The number of the students in our grade ________about six _______, and______of them are girls.
A. are, hundreds, two- thirds
B. is, hundred, two- third
C. is, hundred, two thirds
D. are, hundreds, two third
   满分:2 分
2.
 Kate says that she _______ a message on the desk.
A. will leave
B. leave
C. will give
D. give
   满分:2 分
3.
The Changjiang River is longer than _____ in China.
A. all the rivers
B. any river
C. any other river
D. any other rivers
   满分:2 分
4.
Don’t spend _______ time on computer games.
A. too much
B. much too
C. too many
D. many too
   满分:2 分
5.
 _______ of the teachers in our school is 118, and_________ of them are women teachers.
  
A. The number,first fourth
B. The number,one fourth
C. A number,one second
D. A number,three quarters
   满分:2 分
6.
-- I' m going to school now, Mum, Bye!
-- Just a minute. It's cold outside._________ your coat, please.
A. Put on
B. Take off
C. Put up
D. Take down
   满分:2 分
7.
A farmer arrived _______ a woman's house.
A. in
B. at
C. to
D. for
   满分:2 分
8.
 I want to know if they _____ the spring sports meeting next month. If they ___ it, I must get ready for it.
A. hold,will hold
B. will hold,hold
C. hold,hold
D. will hold,will hold
   满分:2 分
9.
–Hi, Kate! --Hi, Mary. I ______ you are here.
A. don't know
B. don't think
C. think
D. didn't know
   满分:2 分
10.
The headmaster ________for more than two weeks.
 
A. has left
B. has gone
C. has been away
D. has come back
   满分:2 分
11.
 I'm afraid your son has been ________ in an accident.
A. failed
B. dropped
C.
succeeded
D. involved
   满分:2 分
12.
-- Bob, would you like to come to our dinner party? --__________.
A. Yes, I would
B. Yes, I' d love to
C. No, I wouldn' t
D. No, I don't go
   满分:2 分
13. --Is there any chicken on the plate? --Yes, there is ______
A. many
B. any
C. one
D. some
   满分:2 分
14.
--What's your ________ name, please?
--Robert Thomas Brown, but you can call me Mr. Brown.
A. family
B.
given
C. first
D. full
   满分:2 分
15.
---He can swim.
---_______ .
A. So I can
B. So can I
C. I so can
D. Can I so
   满分:2 分
16.
 I bought a new dictionary and it ________ me 30 yuan.
A. paid
B. spent
C. took
D. cost
   满分:2 分
17.
I'll let you know as soon as he _________.
A. comes back
B. will come back
C. is coming back
D. come back
   满分:2 分
18.
Which is the way _________ the nearest hospital ?
A. in
B. too
C. to
D. at
   满分:2 分
19.
--Must we finish our homework now?
--No, you ______. You _______ finish it after school.
A. needn't , may
B.
mustn't , may
C. can't , can
D.
 needn't , must
   满分:2 分
20.
The teacher asked me ________ I needed any help.
 
A. whether
B. that
C. what
D. which
   满分:2 分
21.
--Is Jim at school today? -- No, he's at home ______ he has a bad cold.
  
A. because
B. if
C. though
D. until
   满分:2 分
22.
______ Tom's mother lets him look after the baby.
A. At times
B. Some time
C. At the same time
D. At all the times
   满分:2 分
23.
 Mary doesn't like pork for dinner. I don't like it, ______.
A. neither
B. too
C. also
D. either
   满分:2 分
24. The boss asked her to take ________ of the office for a few days while he was away.
A. charge
B. duty
C. task
D. hand
   满分:2 分
25.
Would you like _______ to eat ?
A. anything different
B.
different anything
C. something different
D. different something
   满分:2 分

13春学期《大学英语(一)》在线作业4
试卷总分:100 测试时间:--
单选题
阅读理解
完型填空

、阅读理解(共 4 道试题,共 20 分。)
1.
   Jack is a clerk of a bookstore. Here is the note from his boss, Ben. Jack has to decide what books to order according to the following note and the descriptions of the books.
Hi Jack,
   You must hand in the order list of books to me by the first working day of every month. The rules for choosing books are:
   For textbooks:
● August is coming. We must choose all textbooks, without thinking of other rules.
   For books which are not textbooks:
● If more than five copies of books were sold last month, we choose them. But if there are five copies or more in stock (现货), we do not make an order.
● If the wholesale (批发) prices of the books are higher than $75, we do not choose them. And we do not order anything whose retail (零售) price is higher than $100.
Ben
   The descriptions of the books
Title: Homeland English
Publisher (出版社): Homeland Ltd
Wholesale price: $110
Retail price: $140
Textbook: Yes
Copies sold last month: 3
Copies in stock: 2Title: How to Become Successful
Publisher: Founders Company Ltd
Wholesale price: $25
Retail price: $40
Textbook: No
Copies sold last month: 2
Copies in stock: 1
Title: Biology at a Glance
Publisher: New Times Publishing Ltd
Wholesale price: $70
Retail price: $95
Textbook: No
Copies sold last month: 18
Copies in stock: 3Title: Good Health in 20 Days
Publisher: Oscar World Ltd
Wholesale price: $50
Retail price: $66
Textbook: No
Copies sold last month: 10
Copies in stock: 20

1). Jack must hand in the order list to his boss by __________.
A. the first day of last August
B.
the last working day of this month
C.
the last day of next August
D.
the first working day of each month
   满分:1 分
2). If Jack wants to buy the books about success, he should order them from __________.
A.
Homeland Ltd
B.
Founders Company Ltd
C. Oscar World Ltd
D.
New Times Publishing Ltd
   满分:1 分
3). The wholesale price of the book ________ is over $100.
A. Homeland English
B.
Good Health in 20 Days
C.
Biology at a Glance
D.
How to Become Successful
   满分:1 分
4). The number of the books sold best last month is _________.
A. 3
B. 10
C. 18
D. 20
   满分:1 分
5). Jack can’t buy Good Health in 20 Days because __________.
A.
 it is not a school textbook
B.
its wholesale price is too high
C.
 the copies in stock are more than 5
D.
the copies sold last month are over 5
   满分:1 分
2.
   Everyone has got two personalities (性格) — the one that is shown to the world and the other that is secret and real. You don't show your secret personality when you're awake because you can control yourself, but when you're asleep, your sleeping position shows the real you. On a normal night, of course, you often change your sleeping positions. The important position that best shows your secret personality is the one that you go to sleep.
   If you go to sleep on your back, you're a very open person. You normally trust people and you are easily influenced by new ideas. You don't like to make people unhappy, so you never express your real feelings. You're quite shy and you aren't very confident.
   If you sleep on your stomach, you are a person who likes to keep secrets. You worry a lot and you're always easily becoming sad. You never want to change your ideas, but you are satisfied with your life the way it is. You usually live for today not for tomorrow.
   If you sleep on curled up (蜷缩), you are probably a very nervous person. You have a low opinion of yourself and often protect yourself from being hurt, so you are very defensive. You're shy and you don't usually like meeting people. You like to be on your own.
   If you sleep on your side, you have usually got a well-balanced (平衡的) personality. You know your strengths and weaknesses. You're usually careful. You have a confident personality. You sometimes feel worried, but you don't often get unhappy. You always say what you think, even if it makes people angry.
1). You may find the passage in________.
A. a science magazine
B.
a guide book
C. a sports newspaper
D.
a story book
   满分:1 分
2). When does the sleeping position best show your secret personality?
A. In the daytime.
B.
At the beginning of sleep.
C. At night.
D.
During the deep sleep.
   满分:1 分
3). Tina hardly tells her secrets to her friends. She probably goes to sleep _____.
A. on curled up
B.
on her stomach
C. on her back
D. on her side
   满分:1 分
4). What does the word "defensive" mean in the passage?
A. 易怒的
B. 攻击性的
C. 外向的
D.
有戒心的
   满分:1 分
5). What does the passage tell us?
A.
Sleeping on your side is the best way of sleeping.
B.
Changing positions will cause sleeping problems.
C.
Sleeping positions show people's secret personalities.
D.
Enough sleep makes people look better and healthier.
   满分:1 分
3.
 One day, Tomas Jefferson, the president of the USA, was crossing a river with a group of travelers. The river was overflowing its banks. So it was very dangerous to cross it on a horse. Each man was fighting for his life! Then another traveler came and he wanted to cross it, too. But he didn’t have a horse. He watched the group and then asked Jefferson to take him. Jefferson agreed immediately. The man climbed on. After they were both safe to the other side of the river, someone asked the man, “Why did you ask the President for help? Did you know him?” The man was shocked because he didn’t know Jefferson was the president. “All I know,” he said, “on some of your faces were written the answer NO, but there was the answer YES on his face.”
1). Who was Tomas Jefferson?
A.
He was a businessman.
B. He was a teacher.
C. He was a captain
D. He was the president of the USA.
   满分:1 分
2). How did they cross the river?
A. In a boat.
B. On their horses.
C. By swimming.
D. By building a bridge.
   满分:1 分
3). When the group were crossing the river, ________.
A. water was flowing out of the river
B. it was windy and very cold
C. there were many empty boats in the river
D. everyone wrote a word on the face
   满分:1 分
4). At last, __________.
A.
both Jefferson and the man were safe to cross the river
B. only Jefferson crossed the river
C.
 only the man crossed the river
D. Jefferson’s horse died
   满分:1 分
5). From the passage, we know that _________.
A. all the travelers were kind
B.
Jefferson was helpful
C. nobody knew the president
D. the man gave Jefferson some money
   满分:1 分
4.
   Monkeys are clever and lively, but they are naughty and greedy as well. Whenver they find delicious food, they will eat enough. What’s more, they will take it when they leave. They have suffered a lot because of this. But they never change this way.
In India, people use monkey’s greed to catch them. Do you know how they can catch monkeys? Here are some instructions.
◆ Make a hole in a big pumpkin (南瓜). The hole must be just right ----neither too big nor too small.
◆ Put some jujubes (枣) in the hole.
◆ Leave the pumpkin under a tree. Make sure there are some monkeys in the tree.
◆ Hide yourself and watch the monkeys.
   As soon as you leave, the monkeys can’t wait to come down to the pumpkin. When they find a hole in the pumpkin, they don’t know what’s in it and one of them can't help putting its hand into the hole to find what on earth there is. When it touches the jujubes, it will clench (攥紧) some of them in its hand. As a result, it isn’t able to take its fist out of the hole. You can’t come close until this time. Will the monkey drop off the pumpkin? Don’t worry. It prefers the pumpkin than its life. It will run with the pumpkin, clenching its fist more tightly. In the end, it is caught helplessly.
1). Monkeys haven’t changed their way of doing with nice food because they are
A. clever
B. lively
C. greedy
D.
naughty
   满分:1 分
2). “The hole must be just right” means it is .
A.
big enough for the monkey to put its hand in
B. smaller than a monkey’s hand
C.
bigger than a monkey’s fist
D.
bigger than a monkey’s hand but smaller than its fist
   满分:1 分
3). Seeing the hole in the pumpkin, a monkey will .
A. be interested in
B. be afraid of
C. run away at once
D. take the pumpkin away in arms
   满分:1 分
4). Which of the following is true according to the passage?
A.
Indians often catch the monkeys in this way.
B.
sometimes monkys are stupid.
C.
as soon as the monkeys comes to the pumpkin, you can rush to catch it.
D. In India,monkeys like pumpkins every much.
   满分:1 分
5). What should we learn from the passage?
A.
weshould catch monkeys in this way.
B.
One mustn’t be greedy.
C.
We should protect monkeys.
D.
Come up with another way to catch monkeys.
   满分:1 分

13春学期《大学英语(一)》在线作业4
试卷总分:100 测试时间:--
单选题
阅读理解
完型填空

、完型填空(共 2 道试题,共 30 分。)
1.
I have tried many ways to be 1 . I don’t wear a sweater when I 2 , and two days ago I walked in the 3 without my shoes. But so far nothing 4 . Debbie once told me about a boy in her class who liked 5 school. He would rub the end of the thermometer (温度计) until it went 6 to 39℃. Then he’d put it in his mouth and his mother would think he was 7 ill.
This morning I tried doing that but it 8 went above 35℃ and I rubbed it for ten 9 . So I held the thermometer 10 the light on my desk and it went up to 40℃. I thought I’d put it in my mouth and walk downstairs like that. 11 my mother would take it out and she would be 12 when she saw that I was rather ill.
The only trouble was I didn’t know the thermometer would be so 13 , As soon as I put it into my mouth I burnt my tongue! I spit (吐) the thermometer out. It fell 14 the floor but it 15 .
1).
A. well
B. fine
C. ill
D. bad
   满分:1 分
2).
A. could
B. should
C. must
D. might
   满分:1 分
3).
A. water
B. rain
C. sun
D. wind
   满分:1 分
4).
A. happens
B. happened
C. will happen
D. has happened
   满分:1 分
5).
A. being away from
B. leaving
C. staying at
D. being out of
   满分:1 分
6).
A. on
B. down
C. up
D. off
   满分:1 分
7).
A. really
B.
real
C. bad
D.
badly
   满分:1 分
8).
A. can't
B. not
C. never
D. didn't
   满分:1 分
9).
A. seconds
B. hours
C. minutes
D.
moments
   满分:1 分
10).
A. near
B. near to
C. next
D. next to
   满分:1 分
11).
A. when
B. then
C. so
D. if
   满分:1 分
12).
A. worried
B. surprised
C.
happy
D.
frightened
   满分:1 分
13).
A. cold
B. hot
C. warm
D.
 cool
   满分:1 分
14).
A. off
B. down
C. to
D. on
   满分:1 分
15).
A. doesn’t break
B. didn’t broke
C. wasn’t broken
D. was broken
   满分:1 分
2.
Today was a very important day. France played __1__ Senegal (塞内加尔) in the opening match of the World Cup. Football fans were very __2__ watching the match on TV. To our great surprise, France was __3__.
Today football has become very __4__ in China after a __5__ wait. “China is in the World Cup for the first time, __6__ we should support them!” ,said some people. In our school many students enjoy __7__ it. My __8__ and I often go to the football field after class.
This afternoon there was a __9__ football match in our school. __10__ team played against No.1 Middle School. __11__ they were all very big and strong, it was a __12__ game between the two teams with the result 0-0 last time. Today our school played much __13__.
In the first half of the match __14__ team kicked a goal, but in the second, Li Ming from our school kicked a goal. We won 1-0, at last. I’m so __15__. I can’t get to sleep tonight.
1).
A. with
B. against
C. to
D. at
   满分:1 分
2).
A. good at
B. pleased to
C. interested in
D. boring in
   满分:1 分
3).
A. beaten
B. knocked
C. fought
D. hit
   满分:1 分
4).
A. welcome
B. popular
C. useful
D. usual
   满分:1 分
5).
A. 44-day
B. 44-week
C. 44-month
D. 44-year
   满分:1 分
6).
A. or
B. but
C. so
D. yet
   满分:1 分
7).
A. buying
B. playing
C. drinking
D. looking
   满分:1 分
8).
A. students
B. teachers
C. classmates
D. parents
   满分:1 分
9).
A. happy
B. wonderful
C. funny
D. famous
   满分:1 分
10).
A. Their
B. Her
C. Your
D. Our
   满分:1 分
11).
A. Because
B. And
C. As
D. Though
   满分:1 分
12).
A. mistake
B. luck
C. draw
D. game
   满分:1 分
13).
A. better
B. well
C. vest
D. worse
   满分:1 分
14).
A. neither
B. either
C. both
D. none
   满分:1 分
15).
A. lucky
B.
pleased
C. unhappy
D. worried
   满分:1 分

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