北航远程教育201203学期高等数学上作业3

第一篇：北航远程教育201203学期高等数学上作业3

201203学期高等数学上作业3 单项选择题

第1题

答案：A 第2题

答案：B 第3题

答案：D 第4题

答案：B 第5题

答案：A 第6题 设一质点在x轴上运动，运动方程x=5-2sin3t,则当t=π/2时的加速度为（）。

A、-18 B、6 C、18 D、-6 答案：A 第7题 函数在某点不可导，该函数所表示的曲线在相应点的切线（）。

A、一定不存在B、一定存在C、不一定存在D、平行于y轴

答案：C 第8题

答案：D 第9题

答案：C 第10题

答案：A 第11题

答案：D 第12题

答案：D 第13题

答案：C 第14题

答案：A 第15题

答案：D 第16题

答案：D 第17题

答案：B 第18题

答案：C 第19题

答案：D 第20题

答案：B

第二篇：201303学期北航远程教育-航空航天概论作业3

单项选择题

第1题 公务机是在行政事务和商务活动中用作交通工具的飞机，一般多为重量（）吨以下的小型运输类飞机，可乘10余人。

A、5吨

B、9吨

C、15吨

D、19吨

第2题（）年6月14日，英国人阿尔科克和布朗驾驶“维米”飞机从美洲大陆纽芬兰起飞，在空中历时16小时27分，航程3032千米，到达欧洲大陆，第一次完成了驾驶飞机不着陆飞越大西洋的壮举。

A、1909年

B、1914年

C、1919年

D、1924年

第3题 早在1928年，传教士弗林就在（）开办了飞行医生服务站，用小飞机送医生出诊或接病人到医院就医，后来被正式冠名“皇家飞行医生服务队”。

A、英国

B、新西兰

C、加拿大

D、澳大利亚

第4题 中国第一架拥有自主知识产权的4～5座级轻型多用途通用飞机是（）。

A、农5

B、“小鹰”500 C、“蜜蜂”

D、“海燕”

第5题 直升机的发展历史漫长而又艰难。在中国古代，早已出现了看似简单、其实却包涵了直升机全部基本原理的飞行玩具：（）。

A、木鸟

B、风筝

C、走马灯

D、竹蜻蜓

第6题 直升机机身主要用于装载空勤人员、旅客、货物、设备和燃油等，并通过它将直升机上的各部分连接成一个整体。过去机身结构多是用轻金属材料铝制造的，现在（）已大量应用于机身结构中。

A、木质材料

B、金属镁

C、镍合金

D、复合材料

第7题 美国贝尔公司和波音公司合作，经过几十年的努力，已成功地设计制造出（）倾转旋翼机，已经批量投入美军服役。

A、V-22“鱼鹰”

B、F-22“猛禽”

C、UH-60“黑鹰”

D、SR-71“黑鸟”

第8题 直升机第一个走上战场的是美国西科斯基公司的R-4，（）年它被派往缅甸，担任过美军驻缅甸指挥官的观察机，还在中缅边境执行过丛林救援任务。A、1940年

B、1942年

C、1944年

D、1946年

第9题 海湾战争中，多国部队全部3900架航空器中，直升机约（）架。其中AH-64、AH-1等武装直升机用于攻击前线部队、海面舰船、反坦克和机降护航等，CH-

47、UH-60、“韦斯特兰”、“美洲豹”等支援直升机用于战场兵员和物资装备运输、救援和机降等。

A、500架

B、1000架

C、1500架

D、2000架

第10题（）是苏联米里设计局设计的第一种专用武装直升机，北约称之为“雌鹿”。

A、米-4 B、米-8

C、米-24

D、米-26

第11题（）年1月3日，海军飞行员郭文才第一个驾驶舰载直升机升空，对准科考船停机坪上的中心标志圈稳稳地下降，实现了我军舰载直升机首次着舰。

A、1970年

B、1975年

C、1980年

D、1985年

第12题 我国的直升机工业是（）年从仿制苏联米-４直升机起步的。

A、1952年

B、1956年

C、1960年

D、1966年

第13题 发射世界第1艘载人登月飞船的土星5号运载火箭运载能力有多大？（）

A、约50吨

B、约70吨

C、约100吨

第14题 目前常用的运载火箭按其所用的推进剂来分有几类型？（）

A、2种

B、3种

C、4种

第15题 发射地球静止轨道卫星的发射场靠近什么位置比较好？（）

A、极地

B、北半球

C、南半球

D、赤道

第16题 我国嫦娥1号月球探测器将使用什么火箭发射？（）A、长征2号E

B、长征2号F

C、长征3号A

D、长征3号B

第17题 长征3号B火箭捆绑了几个火箭助推器？（）

A、2个

B、3个

C、4个

第18题 人造地球卫星按运行轨道通常分成几类？（）

A、1类

B、2类

C、3类

第19题 按用途分人造地球卫星通常分成几类？（）

A、3类

B、4类

C、5类

判断题

第20题 卡-50“噱头”的改进型“黑鲨”1991年开始交付，创下了3项世界第一：第一种单旋翼带尾桨式旋翼武装直升机；现役武装直升机中第一个采用弹射救生系统；第一种单座武装直升机。

正确 错误



第三篇：2013年北航远程教育《管理信息系统》在线作业答案

远程教育网 http://

第四篇：北航远程教育1209学期《大学英语1》在线作业1-4答案

作业1答案： 单项选择题

第1题 I am ___ that he has not answered my letter.A、bothered

B、interrupted

C、interfered

D、annoyed

答案：D

第2题 Because it was her first interview, she ___ lipstick before leaving home.A、takes on

B、took on

C、puts on

D、put on

答案：D

第3题 He was ___ by a bee when he was collecting honey.A、scratched

B、drawn

C、pierced

D、patted

答案：C

第4题 I am ___ that he should get the post.A、amused

B、amazed

C、amazement

D、amazing

答案：B

第5题 The teacher was ___ with him because he was late.A、bothered

B、interrupted

C、interfered

D、annoyed

答案：D

第6题 Tunnels have been ___ through bedrock beneath the city.A、blasted

B、fired

C、explored

D、maintained

答案：A

第7题 His pocket was ___ full of cards written in English which he used to memorize words.A、stuffed

B、stiff

C、suffered

D、staff

答案：A

第8题 The rubbish heap has a(n)___ odor.A、extensive

B、aggressive

C、offensive

D、compulsive

答案：C

第9题 The repairman checked the car engine ___ but could find nothing wrong with it.A、in great detail

B、throughout C、thoroughly

D、definitely

答案：C

第10题 Many visitors praised the magnificent architecture of the Palace, ___.A、known to foreigners for the Forbidden City

B、known for foreigners to be the Forbidden City

C、known to foreigners as the Forbidden City

D、known for foreigners as the Forbidden City

答案：C

第11题 The weather station ___ snow for tomorrow.A、predicts

B、guesses

C、declares

D、prescribes

答案：A

第12题 We were lucky to get tickets for the first ___ of the new opera.A、performance

B、session

C、play

D、recreation

答案：A

第13题 This will make computer games more ___.A、interchangeable

B、interactive

C、active

D、changeable 答案：B

第14题 ___ sources of protein must be found when meat and fish are not available.A、Additional

B、Alternate

C、Alternative

D、Attractive

答案：C

第15题 One of the ___ our students have is a large library.A、faculties

B、facilities

C、publicities

D、ntensity

答案：B

第16题 Keep in ___ that all people are different and some may progress faster than others.A、head

B、brain

C、heart

D、mind

答案：D

第17题 He keeps on with physical training in winter ___cold it is.A、whatever

B、on matter how

C、whether or not

D、although

答案：B

第18题 We often hear old people wishing they ___ young again.A、are

B、were

C、had been

D、will be

答案：B

第19题 Up to now there have been many explanations ___the cause of sleepwalking.A、in view of

B、in line with

C、apart from

D、as to

答案：D

第20题 More and more Chinese people are ___ wildlife conservation and environmental protection.A、certain of

B、concerned about

C、capable of

D、crazy about

答案：B 作业2：答案： 单项选择题

第1题 The team’s efforts to score were ___ by the opposing goalkeeper.A、fractured

B、flushed

C、fluctuated

D、frustrated

答案：D

第2题 He couldn’t focus his attention ___ his homework.A、in

B、on

C、for

D、off

答案：B

第3题 She was so ___ in her job that she didn’t hear anybody knocking at the door.A、attracted

B、absorbed

C、drawn

D、concentrated

答案：B

第4题 You shouldn’t ___ silly questions.A、keep on asking

B、keep up asking

C、keep from asking

D、keep in asking

答案：A

第5题 I’d rather have a room of my own, however small it is, than ___ a room with someone else.A、to share

B、to have shared

C、share

D、sharing

答案：C

第6题 The government are committed ___ the cause of improving the people’s living standard.A、to B、of

C、for

D、away

答案：A

第7题 The two friends haven’t ___ with each other for 20 years.A、associated

B、communicated

C、been acquainted with

D、been along with

答案：B

第8题 It’s ___ that the sick child needs food and sunshine.A、conscious

B、obvious

C、consistent

D、plain

答案：B

第9题 When I was making a list of guests for the party, her name didn’t ___ to me.A、exist

B、happen

C、occur

D、ake place

答案：C

第10题 The committee’s suggestions will be ___ immediately.A、implemented

B、complemented

C、supplemented D、complimented

答案：A

第11题 The customers made some ___ about the high prices and low quality of their products.A、fuss

B、ado

C、complaint

D、explanation

答案：C

第12题 He ___ me to accept their compromise which made me extraordinarily angry.A、urged

B、appealed

C、draw

D、asked

答案：A

第13题 John is ___ to visit her because they have completely different political views.A、likely

B、reluctant

C、keen

D、eager

答案：B

第14题 The people were ___ to do their best to save their nation.A、urged

B、amazed

C、forced

D、asked

答案：A 第15题 One of his attributes is his ability to ___ to different working conditions.A、adopt

B、adept

C、admit

D、adapt

答案：D

第16题 From the 17th century on, the progress of scientific discovery proceeded at an ever-increasing ___.A、pace

B、turn

C、velocity

D、rate

答案：A

第17题 Unfortunately, Ms.Black was not ___ of the problems that were discovered finally by her boss.A、concerned

B、aware

C、intersted

D、dependent

答案：B

第18题 It is necessary that an efficient worker ___ his work on time.A、accomplishes

B、accomplished

C、accomplish

D、has accomplished

答案：C

第19题 I decided to put my watch under my pillow ___ someone tried to steal it at night.A、in no case

B、in any case

C、in the case of

D、in case

答案：D

第20题 We can expect ___ more mosquitoes after the continued falls of rain.A、a few

B、a little

C、few

D、little

答案：A 作业3：答案： 单项选择题

第1题 Many eminent scientists from all over the world came to china to ___ in the forum on nuclear physics.A、attend

B、celebrate

C、observe

D、participate

答案：D

第2题 Be careful with this ancient basin as it is ___ a lot.A、worth

B、worthy

C、worthwhile

D、deserving

答案：A

第3题 I gave her the key ___ she would be able to go inside.A、that

B、so that

C、since

D、as

答案：B

第4题 The book is unsatisfactory in ___ it lacks a good index.A、what

B、why

C、which

D、that

答案：D

第5题 Without water, how long can a man ___ out? A、late

B、continue

C、last

D、survive

答案：C

第6题 Once ___ to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer.A、applied

B、detached

C、attached

D、contrived

答案：C

第7题 When we speak with close friends, we are free to interrupt them and we will not be ___ if they interrupt us.A、disturbed

B、offended C、bothered

D、troubled

答案：B

第8题 Even though he was guilty, the ___ judge did not send him to prison.A、merciful

B、impartial

C、consistentious

D、conspicuous

答案：A

第9题

The ___ cycle of life and death is a subject of interest to scientists and philosophers alike.A、incompatible

B、exceeding

C、instantaneous

D、eternal

答案：D

第10题 In a telephone survey of more than 2000 adults, 21% said they believed the sun revolved around the earth.An ___ 7% did not know which revolved around which.A、excessive

B、extra

C、additional

D、added

答案：C

第11题 The tower is open 9:30 a.m.to 6:00 p.m.on ___, 8:00 a.m.to 6:00 p.m.on weekends.A、Saturdays

B、Sundays C、days

D、weekdays

答案：D

第12题 The rock has to be ___ in order to build a road.A、explored

B、blasted

C、blown

D、slammed

答案：B

第13题 There was a(n)___ accident here yesterday.A、possible

B、audible

C、irreversible

D、horrible

答案：D

第14题 He has got all the ___ ready for building his new house.A、staff

B、stiff

C、stuffy

D、stuff

答案：D

第15题 According to the American federal government, residents of Hawaii have the longest life ___: 77.2 years.A、rank

B、span

C、scale

D、scope 答案：B

第16题 Bad eggs have a(n)___ odor.A、extensive

B、aggressive

C、offensive

D、compulsive

答案：C

第17题 When her uncle died, she ___ everything she could get her hands on.A、grabbed

B、snatched

C、gripped

D、grasped

答案：A

第18题 She gave the house a ___ cleaning.A、perfect

B、compete

C、though

D、thorough

答案：D

第19题 A thermometer and a barometer are recording ___ essential to the meteorologist.A、implements

B、tools

C、instruments

D、utensils

答案：C 第20题 He thinks we shouldn’t go ahead with this plan because of the ___ of failure.A、future

B、pressure

C、risk

D、worry

答案：C 作业4答案： 单项选择题

第1题 He had bought a teapot and was waiting for them to ___ it up.A、fasten

B、move

C、twist

D、wrap

答案：D

第2题 His rude behavior ___ all of us.A、disgraced

B、disgusted

C、disguised

D、distressed

答案：B

第3题 Her uncle, ___ her two cousins, demands that she stay in town one more day.A、along with

B、and

C、as well

D、together

答案：A 第4题 He asked Jane to marry him, but she ___ him ___.A、turned… out

B、turned… in

C、turned… down

D、turned… up

答案：C

第5题 He ___ the money out of my hand and ran away.A、broke

B、dropped

C、grabbed

D、grasped

答案：C

第6题 ___ crossing the street, he was knocked down by a car.A、By

B、For

C、At

D、While

答案：D

第7题 I must be off now, ___ my sister is expecting me.A、therefore

B、for

C、nevertheless

D、moreover

答案：B

第8题 Already they are ___ to try.A、patient B、impatient

C、patience

D、impatience

答案：B

第9题 New settlers had to ___ themselves to the new lifestyle and new environment.A、adopt

B、adept

C、apt

D、adjust

答案：D

第10题 ___ the rainy day, the medical team took the trouble to visit the patients in the small village.A、Despite

B、In despite

C、Inspire

D、Inspire of

答案：A

第11题 They lost their way in the forest, and ___ made matters worse was that night began to fall.A、that

B、it

C、which

D、what

答案：D

第12题 If the service was so bad, why didn’t you ___ to the manager? A、tell

B、say

C、complain D、speak

答案：C

第13题 A small child cannot easily ___ his movements.A、exert

B、coordinate

C、conduct

D、go in for

答案：B

第14题 All citizens were called to ___ in an anti-drug campaign.A、attend

B、anticipate

C、participate

D、expect

答案：C

第15题 As the train ___ the platform, there was a rush to get seats.A、pulled into

B、dug into

C、looked through

D、attached to

答案：A

第16题 ___ mainly for the invention of the telephone, Alexander Bell devoted his life to helping the deaf.A、He is remembered

B、To remember

C、While remembering

D、Though remembered

答案：D 第17题 Sales of instant coffee went into a ___ decline(衰退)when freeze-dried coffees were introduced.A、stiff

B、slight

C、cuurent

D、bright

答案：B

第18题 The sack caught on a branch and ___ open.A、barked

B、polished

C、ripped

D、tossed

答案：C

第19题 I am dealing with customers all the time who have let their bills get ___.A、out of practice

B、out of print

C、out of control

D、out of stock

答案：C

第20题 He set up a standard of perfection for himself, which seldom permitted him to ___.A、free

B、loose

C、dismiss

D、relax

答案：D

第五篇：北航远程教育201209学期大学英语预备级1作业2

单项选择题

第1题 She hardly ever goes to ___ the theatre.A、neither the cinema or

B、neither the cinema nor

C、either the cinema nor

D、the cinema or

答案：D

第2题 Try your best ___ you’ll certainly succeed this time.A、so

B、and

C、or

D、for

答案：B

第3题 She remained silent, ___ her heart was heavy and her spirit low.A、so

B、though

C、for

D、therefore

答案：C

第4题 He talked at the top of his voice, ___ he drew nobody’s attention.A、yet

B、instead

C、so

D、though

答案：A

第5题 Watch your step, ___ you might fall into the water.A、or

B、and

C、unless

D、but

答案：A

第6题 I got to the theatre just before the end of ___.A、the act two

B、act two

C、act second

D、the act second

答案：B

第7题 Mary is a ___ girl.A、seven years old

B、seven-years-old

C、seven-year-old

D、seven-year old

答案：C

第8题 The United States of America has a population of over ___.A、two hundred million

B、two hundred millions

C、two hundreds million

D、two hundred millions people

答案：A

第9题 It is reported that ___ people have entered for the competition.A、hundreds

B、hundred C、hundred off

D、several hundred

答案：D

第10题 It is said that ___ children in this area were saved in the flood.A、hundreds off

B、one hundred

C、some hundreds

D、hundred off

答案：B

第11题 ___ we will do next is still under discussion.A、That

B、When

C、Where

D、What

答案：D

第12题 ___ was once regarded as impossible has now become a reality.A、That

B、Which

C、Who

D、What

答案：D

第13题 ___ you say now can’t make up for what you’ve done.A、No matter

B、Whatever

C、However

D、That

答案：B 第14题 ___ books you borrow from the library should be returned in two weeks’ time.A、Whatever

B、Which

C、No matter what

D、What

答案：A

第15题 ___ she will be given this job is still under discussion.A、Although

B、Whether

C、If

D、What

答案：B

第16题 Not many people realize this,___ it is quite true.A、but

B、however

C、so

D、that

答案：A

第17题 Can I help you? Well, I’m afraid the box is too heavy for you, ___ thank you all the same.A、and

B、so

C、or

D、but

答案：D

第18题 I don’t know her address,___ I can’t write to her.A、but B、or

C、so

D、since

答案：C

第19题 The human body can go without food for a long time ,but two ___ three days without water usually result in death.A、and

B、but

C、for

D、or

答案：D

第20题 I don’t know the room ___.A、in which does our teacher live

B、our teacher is living

C、our teacher lives in

D、where our teacher lives in

答案：C