13春天津大学《数值计算方法》在线作业一

川农《英语Ⅰ》在线作业
试卷总分：100
单选题
一、单选题（共 20 道试题，共 100 分。）
V
1. That small country has ______ independence.
A. ordered
B. exclaimed
C. performed
D. declared
此题选: D 满分：5 分
2. China has great _______ to become an economic power in not too long a time.
A. chance
B. concern
C. potential
D. opportunity
满分：5 分
3. The teacher told Bob that if he started working hard right now, he still ___________ of passing the final exam.
A. stood chance
B. held chance
C. stood by chance
D. stood a chance
此题选: D 满分：5 分
4. The new office boy seemed smart and ________ when he reported for work.
A. attractive
B. individual
C. energetic
D. energy
满分：5 分
5. We often __________ advice which we do not wish to hear.
A. ignore
B. stick
C. draft
D. approach
满分：5 分
6. That hairstyle was _________ a passing fad, as no one wears it this year.
A. system
B. merely
C. rival
D. major
满分：5 分
7. They watched little Stevie dart from one instrument to the next, playing each one _____.
A. at ease
B. with ease
C. ease in
D. easy
满分：5 分
8. As the clouds drifted away, an even higher peak became _________ to the climbers.
A. in sight
B. visible
C. obvious
D. apparent
满分：5 分
9. A voice _______ the program to announce the election results.
A. broke into
B. broke off
C. cut down
D. cut out
满分：5 分
10. You’ll notice that this railway runs roughly _______ to a river.
A. entirely
B. halfway
C. parallel
D. relevant
满分：5 分
11. Dont talk about her sons behavior at school. Its a(n)________ subject to her.
A. awkward
B. embarrassing
C. nervous
D. disgraced
满分：5 分
12. Id like to ________ the holiday arrangements once more before we leave tomorrow.
A. go for
B. go over
C. go round
D. go about
满分：5 分
13. He talked so much during the chess match that he _________ the game.
A. distracted me from
B. kept me from
C. prevented me from
D. stopped me from
满分：5 分
14. When she found her child was running a high fever, she ________ took him to hospital.
A. promptly
B. prompt
C. promote
D. property
满分：5 分
15. The boy has _________ his fear of failure and is making great progress in his studies.
A. performed
B. broken into
C. got tired of
D. conquer
此题选: D 满分：5 分
16. Tom has got a decent ______ in a chemical factory.
A. job
B. employment
C. work
D. profession
满分：5 分
17. These figures are not consistent with the result obtained in _________ experiments.
A. previous
B. prepared
C. relative
D. original
满分：5 分
18. She talked to him for a long time and _____ him from doing that dangerous job.
A. persuaded
B. dissuaded
C. overcame
D. conquered
满分：5 分
19. Up to now there has been no ___________ to the government’s new decision from the public.
A. prospect
B. respond
C. response
D. relative
满分：5 分
20. When you read a book in a hurry, you can _______ some less important details.
A. leave
B. skid
C. skip
D. skin
满分：5 分
川农《英语Ⅱ》在线作业
试卷总分：100
单选题
一、单选题（共 20 道试题，共 100 分。）
V
1. He knows the rule but does not know how to _______ it.
A. control
B. direct
C. apply
D. run
满分：5 分
2. It is requested that rent for the house _______ in advance.
A. will have to be paid
B. has to be paid
C. should have to be paid
D. should be paid
此题选: D 满分：5 分
3. When I feel very tired in serving the customers _______ is a smile from them.
A. all the thing is needed
B. all what is needed
C. all that is needed
D. all which is needed
满分：5 分
4. The boy began to tell us all the wonders he had seen in his travels _________ great detail.
A. with
B. by
C. in
D. of
满分：5 分
5. I wonder why they _______ you so much money for such a book.
A. asked
B. required
C. requested
D. charged
此题选: D 满分：5 分
6. The girl fainted, but she _______ after we splashed water on her face.
A. came up
B. got over
C. came over
D. came to
此题选: D 满分：5 分
7. The representatives of the two sides have now agreed _______ the proposals to be put before their members.
A. on
B. with
C. to
D. about
满分：5 分
8. For this question, you are only required to state the_____ facts.
A. empty
B. bare
C. vacant
D. deserted
满分：5 分
9. The offence ________ which he is going to be charged carries a heavy penalty.
A. at
B. with
C. of
D. on
满分：5 分
10. "Thank you for your perfect control. Without you, ______" said the host.
A. we would be attacked by the cobra
B. we should be attacked by the cobra
C. we have been attacked by the cobra
D. we would have been attacked by the cobra
此题选: D 满分：5 分
11. If you take this medicine twice a day it should _____ your cold.
A. heal
B. cure
C. treat
D. recover
满分：5 分
12. So far as is known, the original manuscripts of Shakespeares plays are no longer ________ existence.
A. for
B. on
C. at
D. in
此题选: D 满分：5 分
13. He is not so much _______ a help as I thought he would be.
A. of
B. in
C. at
D. as
满分：5 分
14. A good hunting dog is alert ________ every sound in the field.
A. with
B. to
C. at
D. on
满分：5 分
15. It is because he was too conceited _______ he failed in the interview.
A. that
B. so that
C. so
D. therefore
满分：5 分
16. "Do you think _____ they will bring back the death penalty soon?"
A. if
B. when
C. whether
D. that
此题选: D 满分：5 分
17. He has recently got an interesting ______ in a steel works.
A. job
B. employment
C. work
D. occupation
满分：5 分
18. was usual with him, he reviewed all the facts of the case after he had made the decision.
A. As
B. Such
C. So
D. What
满分：5 分
19. _______, I might have ended up dead.
A. Were he not to come to the rescue
B. Should he not come to the rescue
C. Had he not come to the rescue
D. If he did not come to the rescue
满分：5 分
20. On seeing the snake, the man sprang up ________ a start.
A. with
B. in
C. from
D. to
满分：5 分
《数值计算方法》在线作业一
试卷总分：100
单选题
判断题
一、单选题（共 10 道试题，共 50 分。）
V
1.
A. n+1 次多项式
B. n 次多项式
C. 次数小于 n 的多项式
D. 次数不超过 n 的多项式
此题选: D 满分：5 分
2.
A.
B.
C.
D.
此题选: D 满分：5 分
3.
A.
B.
C.
D.
此题选: D 满分：5 分
4.
A.
B.
C.
D.
满分：5 分
5.
A.

B.
C.
D.
满分：5 分
6.
A. .5
B. 0.5
C. 2
D. -2
满分：5 分
7. 解线性方程组的主元素消去法中选择主元的目的是()。
A. 控制舍入误差
B. 减小方法误差
C. 防止计算时溢出
D. 简化计算
满分：5 分
8. 求积公式研究的误差为()。
A. 观测误差
B. 模型误差
C. 舍入误差
D. 截断误差
此题选: D 满分：5 分
9.
A. 1,2,n
B. 2,3,n
C. 1,3,n
D. 1,4,n+1
满分：5 分
10.
A. 舍入
B. 观测
C. 模型
D. 截断
此题选: D 满分：5 分
《数值计算方法》在线作业一
试卷总分：100
单选题
判断题
二、判断题（共 10 道试题，共 50 分。）
V
1.
A. 错误
B. 正确
满分：5 分
2.
A. 错误
B. 正确
满分：5 分
3.
A. 错误
B. 正确
满分：5 分
4.
A. 错误
B. 正确
满分：5 分
5.
A. 错误
B. 正确
满分：5 分
6. 梯形求积公式和抛物线求积公式都是高精度方法。()
A. 错误
B. 正确
满分：5 分
7.
A. 错误
B. 正确
满分：5 分
8.
A. 错误
B. 正确
满分：5 分
9. 求非线性方程f(x)=0根的方法均是单步法。()
A. 错误
B. 正确
满分：5 分
10. 牛顿法是二阶收敛的。()
A. 错误
B. 正确
满分：5 分