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出自:佳木斯大学语言治疗学
一个除环
里每一个元素必有逆元. ( )
·正确
·错误
·
·
·
·
设
和
都是非空集合,而
是
到
的一个映射,那么( )
·集合
中两两都不相同;
·
的次序不能调换;
·
中不同的元对应的象必不相同;
·一个元
的象可以不唯一。
指出下列那些运算是二元运算( )
·在整数集
上,
;
·在有理数集
上,
;
·在正实数集
上,
;
·在集合
上,
。
设
为群,其中
是实数集,而乘法
,这里
为
中固定的常数。那么群
中的单位元
和元
的逆元分别是( )
·0和
;
·1和0;
·
和
;
·
和
。
设
是环同态满射,
,那么下列错误的结论为( )
·若
是零元,则
是零元;
·若
是单位元,则
是单位元;
·若
不是零因子
·若
是不交换的,则
不交换。
设
和
都是群
中的元素且
,那么
( )
·
;
·
;
·
;
·
。
若
是域
的有限扩域,
是
的有限扩域,那么( )
·
;
·
;
·
;
·
。
设
与
都是非空集合,那么
。 ( )
·正确
·错误
只要
是
到
的一一映射,那么必有唯一的逆映射
。 ( )
·正确
·错误
如果群
的子群
是循环群,那么
也是循环群。 ( )
·正确
·错误
如果环
的阶
,那么
的单位元
。 ( )
·正确
·错误
中满足条件
的多项式叫做元
在域
上的极小多项式。 ( )
·正确
·错误
在集合
是二元运算.
·正确
·错误
设A、B、D都是非空集合,则
到D的每个映射都叫作二元运算.
·正确
·错误
也是理想.
·正确
·错误
设G 为群,N是G的不变子群,则
·正确
·错误
由函数
复合而成的函数为( )
·
·
·
·
·有唯一零解
·必有无穷多解
·可能无解
·可能有非零解
·1
·-1
·0
·不存在
·
·
·
·
·
·
·
·
·
·
·
·
The best title for the passage might be “_______”. ( )
·Ways of Gathering Intelligence
·National Defense Against All Threats
·Which Is More Threatening: Terrorists Or Spies
·What We Do As Intelligence Officers
MIS officers’ task is more urgent today ithat ______. ( )
·terrorists are more difficult to find thaspies
·most terrorist attacks are aimed at killing people
·terrorist attacks happemore frequently thabefore
·it takes only a little time to prepare a terrorist attack
What is true about the Cold War ( )
·Both camps were planning to start a war.
·It was a war fought with advanced weapons.
·No fierce clash broke out during the period.
·It is not regarded as aintelligence war.
The biggest security threats for Britaiithe 1970s were from ______. ( )
·international terrorists
·the Soviet Unioand its allies
·major criminals withithe country
·agents working for both camps
What is the first paragraph mainly about ( )
·The tasks of intelligence agencies.
·The contributions of intelligence agencies.
·The equipment used by intelligence agents.
·The recruitment of intelligence agents.
According to the passage, “above all nations is humanity” might mea___________. ( )
·not all nations have humanity
·humanity is as important as a nation
·humanity has no national boundaries
·all humabeings should live ipeace
The people inHawaiiare the most beautiful thing because ___________. ( )
·they had a peaceful history
·they casleep ithe middle of the road
·there are 64 different races othe islands
·they care more for people thaanything else
What has made Dole Company the biggest fruit-packing company ithe world ( )
·Sugar.
·Sugar cane.
·Bananas.
·Pineapples.
Why are the volcanoes so special to the islands ( )
·They are not a part of the islands.
·They actually made the islands.
·They are the first ithe world.
·They are growing.
According to the passage,Hawaiiis made up of ___________. ( )
·one island
·twenty islands
·sixty-four islands
·hundreds of islands
The maipurpose of the passage is to ___________. ( )
·explaiwhy couples grow alike
·tell how couples like each other
·discuss the functioof marriage
·describe the life of happily married couples
From the passage we cadraw the conclusiothat _________. ( )
·couples who look alike calive longer
·most partners have beeproved to grow alike
·the influence betweepartners cabe quite strong
·happily-married couples are oftericher thaothers
The underlined sentence “Their judgements were no better thachance” implies that the testees _______. ( )
·did a good job imaking their choices.
·had difficulty ipicking out the partners
·had no chance to make the right judgements
·did better with the first group thawith the second
The underlined word “imitate” (iPara. 2) has a similar meaning to __________. ( )
·copy
·change
·know
·suffer
Dr. Aikecut the background from the photos for the purpose of __________. ( )
·imitating the couples’ life
·grouping the couples again
·leaving no trace for the testees
·giving the testees more chances
The author.s major conclusioabout the functioof mistakes iforeiglanguage learning is that_____ .
·mistakes do not interfere with communication
·learners are oftevery afraid of making mistakes
·mistakes are not important ithe process of learning a language
·making mistakes cahelp the learner discover the rules of the language
The passage implies that foreigstudents who do not interact with native speakers will not ___.
·have to worry about making mistakes
·learvery much about the foreigculture
·learabout the history of the foreiglanguage
·take advantage of available language models
The author thinks that language learners careduce the number of their mistakes by _____
·asking native speakers for explanations
·reading good books ithe foreiglanguage
·speaking without regard to native speakers
·comparing their speech with that of native speakers
The passage indicates that the present tense iEnglish is _________
·basically the same iEnglish as it is iSpanish
·not the most difficult problem for foreigstudents
·not used to express a desire to do something ithe immediate future
·used with some verbs but not with others to express future intention
According to the passage, foreiglanguage students should not worry too much about making mistakes because ________
·native speakers will ignore their mistakes
·communicatiois the primary goal of language learning
·native speakers like foreigstudents who try to leartheir language
·everyone makes mistakes whetrying to communicate ia strange language
Peter is eager ________ history.
·to learn
·learning
·learn
·learned
Did the medicine make you feel better No. The more _______, _______ I feel.
·medicine I take; and the worse
·medicine I take; the worse
·I take medicine; the worse
·I take medicine; worse
— I’d better be off now. — ____________________________
·You must be tired.
·Couldn’t you stay a little longer
·I’m sorry to have takeup too much time.
·Go slowly.
The coat is too big for him now, but he will ____________ into it.
·adjust
·fix
·take
·grow
I’ve tried very hard to improve my English. But by no means ___________ with my progress.
·the teacher is not satisfied
·is the teacher not satisfied
·the teacher is satisfied
·is the teacher satisfied
__________ violiis one of __________ hardest musical instruments to play.
·The, the
·A, the
·/, the
·/, /
Is the library _______ now No, it.s _______.
·open;close
·opening;closing
·open;closed
·opened;closed
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