内容正文:
高中选修4北师大版
寒假专版
B版易错词汇精讲
【寒假专版】
高中·北师大版·选修4Unit12:Innovation Topic Talk
单元词汇总览
well-being/'wel bi:/n.健康;幸device/d'vaIs/n.设备:装置
physicist/'fizisIst//n.物理学家
福:舒适
penicillin/,pe'sln/n.青霉素,joint/d3omt/adj.联合的,共同
vitamin/'vItamin/n.维生素
盘尼西林
的,共有的
entertainment/,ent'temmant/n.perceive /p3'si:v/t.察觉,注意tube /tju:b/n.圆管,管子;电视
娱乐:消遣
到,发觉
显像管,阴极射线管
gifted/'gftd/adj.有天赋的;有million/"miljan/num.百万
circuit/'s3kt/n.电路,线路:环
才华的
humble/'hmbl/adj.谦虚的,谦形道路
labor-saving/'leb3serv四/adj.节卑的
efficiently/'fi[ntli/adv.有效率
省劳力的:省力的
outcome./'atkm/n.结果,后果地,高效能地
productive /pra'dktv/adj.多产navy /'nervi/n.海军
propose /pra3 pauz/v.提出(某观
的:高效的
accuracy/'aekjarasi/n.准确性:精点、方法等)
garbage/'ga:bId3/n.垃圾;废弃准度;正确,准确
物
nissile/'msal/n.导弹,飞弹
易错词汇精讲
1.well-being'wel bi:四/n.健康;幸福:舒适
·易错点:易误写为wellbeing(无连字符)或well being(空格拆分),正确形式为带连字符的合
成词。
·精讲:由well(良好的)+being(存在:状态)构成,强调身心状态的整体良好,常见搭配如
mental well-being(心理健康)。
·例句:Regular exercise is important for our physical and mental well-being.
·真题链接:(北师大版高中选修4同步练习):Taking part in community activities can improve
people's sense of
(答案:well-being)
2.labor-saving/'leiba servr四/adj.节省劳力的;省力的
·易错点:易误写为laborsaving(无连字符)或labor saving(空格拆分),复合形容词需用连字符
连接:易混淆labor(美式)与labour(英式)拼写,北师大版教材采用美式拼写labor。
·精讲:由labor(劳动)+saving(节省的)构成,修饰名词时前置,如labor-saving machines(省
力机器)。
·例句:The invention of washing machines is a typical labor-saving technology.
高中选修4北师大版
寒假专版
·真题链接:(北师大版高中选修4同步练习):This new tool is
(节省劳力的)andhas
been widely used in factories.(答案:labor-saving)
3.device/d'vaIs/n.设备:装置
·易错点:易误写为devise(动词,设计;发明),词性和拼写易混淆;复数形式易误加s为devices
(正确),但易漏写末尾e。
·精讲:device为名词,指具体的机械或电子装置,如electronic device(电子设备):devise为动
词,如devise a plan(设计计划)。
·例句:You are not allowed to use any electronic devices in the exam room.
·真题链接:(北师大版高中选修4同步练习):一What’sthis
used for?-It's used
for measuring temperature..(答案:device)
4.perceive /p3'si:v/t.察觉,注意到,发觉
·易错点:易误读为p3'seIv/(重音位置错误),正确发音为p3'si:v/:固定搭配中易漏介词as,如
perceive.as.(将…视为…)。
·精讲:后接名词或从句,强调通过感官或思维“意识到”,如perceive a change(察觉到变化):
perceive sb.as friendly(认为某人友好):
·例句:Children often perceive their parents'strictness as love.
·真题链接:(北师大版高中选修4同步练习):She was quick to
the mistake in the
report..(答案:perceive)
5.outcome/'atkm/n.结果,后果
·易错点:易与result混淆,outcome更强调“最终结果”,尤指经过努力或过程后的结果:易误
写为out come(空格拆分)。
·精讲:常用搭配the outcome of.(…的结果),比result更正式,如the outcome of the experiment
(实验结果)。
·例句:The outcome of the competition depends on everyone's effort.
·真题链接:(北师大版高中选修4同步练习):We are all eager to know the
(结果)of
the election.(答案:outcome)
6.accuracy/aekjarasi/n.准确性:精准度
·易错点:易与accurate(形容词,准确的)混淆,词性转换易出错:拼写易漏写中间的c,误写
为accurancy。
·精讲:accuracy为不可数名词,常用搭配with accuracy(准确地):形容词accurate常用be accurate
in…(在…方面准确)。
·例句:The success of the project requires high accuracy in data collection.
高中选修4北师大版
寒假专版
·真题链接:(北师大版高中选修4同步练习):Scientists must check the
of the data
before publishing the research.(答案:accuracy)
7.joint/d3ont/adj.联合的,共同的
·易错点:易误读为/d3Dmt/(发音错误),正确发音为/d3mt;作形容词时易与common混淆,
joint强调“共同参与的”,如joint effort(共同努力)。
·精讲:固定搭配joint venture(合资企业);joint responsibility(共同责任)。
·例句:The two companies made a joint decision to develop new technology.
·真题链接:(北师大版高中选修4同步练习):We achieved success through
(联合的)
efforts with our partners.(答案:joint)
8.circuit/'s3kt/n.电路,线路;环形道路
·易错点:易误写为circut(漏写i):发音易误读为/'s3kjut/(多添u),正确发音为/'s3kt山;易
混淆“电路”与“环形道路”含义,需结合语境判断。
·精讲:指“电路”时,如electric circuit(电路);指“环形道路”时,如a race circuit(赛道)。
·例句:The engineer is repairing the broken circuit in the machine,
·真题链接:(北师大版高中选修4同步练习):A closed
is necessary for the current to
flow.(答案:circuit)
9.propose /pr3'pauz/vt.提出(某观点、方法等)
·易错点:易误写为purpose(名词,目的),拼写和含义易混淆;固定搭配中易漏介词to,如
propose to do sth.(提议做某事)或propose sth.(提出某事)。
·精讲:后接名词、代词或不定式,如propose a solution(提出解决方案):propose to hold ameeting
(提议召开会议)。
·例句:The students proposed a new plan to improve campus safety..
·真题链接:(北师大版高中选修4同步练习):He
(提出)that we should start the
project next month.(答案:proposed)
10.gifted/'gftd/adj.有天赋的;有才华的
·易错点:易误写为gift(名词,天赋)或gifting(动名词),忽略形容词后缀-ed;固定搭配中易
漏介词in,如be gifted in.(在…方面有天赋)。
·精讲:gifted强调“天生具备的才能”,修饰人,如a gifted musician(有天赋的音乐家)。
·例句:She is gifted in painting and has won several awards.
·真题链接:(北师大版高中选修4同步练习):The young pianist is known as a
(有天
赋的)artist in classical music.(答案:gifted)
11.efficiently/i'fr (ntli/adv.有效率地,高效能地
高中选修4北师大版
寒假专版
·易错点:易误写为efficient(形容词,高效的),忽略副词后缀-y;易混淆efficient(形容词)、
efficiency(名词)与efficiently(副词)的词性转换。
·精讲:修饰动词,表示“高效地做某事”,如work efficiently(高效工作):形容词efficient的搭
配为be efficient in.(在…方面高效)。
·例句:Using time efficiently is the key to balancing study and rest.
·真题链接:(北师大版高中选修4同步练习):We need to complete the task
(高效地)
to meet the deadline.(答案:efficiently)
l2.penicillin/penr'stlm/n.青霉素,盘尼西林
·易错点:拼写复杂,易漏写中间的i或错写为penicilin:为不可数名词,无复数形式,易误加s。
·精讲:指抗生素药物,首字母常小写,如take penicillin(服用青霉素)。
·例句:Penicillin was one of the most important medical discoveries in the2 Oth century.
·真题链接:(北师大版高中选修4同步练习):The doctor prescribed
to treat the
bacterial infection.(答案:penicillin)
易错词汇综合训练
1.一、单项选择
1.The new policy aims to improve people's mental
。A.wellbeing
。B.well being
●C.well-being
●D.wellbeings
2.This
machine can help farmers finish the work in half the time.
●A.labor saving
●B.laborsaving
●C.labour-saving
●D.labor--saving
3.You are not allowed to use any electronic
in the library.
高中选修4北师大版
寒假专版
·A.device
●B.devise
。C.devices
·D.devises
4.Many students
the new teacher as strict but kind.
·A.perceive
●B.receive
。C.deceive
。D.relieve
5.The final
of the competition will be announced next Monday.
·A.result
●B.outcome
·C.effect
·D.consequence
6.The success of the experiment depends on the
of the data.
●A.accurate
●B.accurately
·C.accuracy
●D.accurancy
7.The two countries signed a
agreement to promote cultural exchange.
●A.common
●B.joint
●C.general
高中选修4北师大版
寒假专版
●D.separate
8.The electrician is checking the
to find the problem.
●A.circuit
●B.circut
●C.circular
●D.circle
9.She
a new method to solve the problem in the meeting.
·A.purpose
·B.proposed
·C.supposed
·D.opposed
10.The
pianist won the first prize in the international competition.
●A.gift
·B.gifting
·C.gifted
●D.gifts
2.二、根据句意及汉语提示完成单词
1.Regular exercise is good for both physical and mental
(健康:
2.The invention of robots is a typical
(节省劳力的)technology.
3.This
(设备)is used to measure air pressure.
4.She can
(察觉)the slightest change in her baby'smood.
5.We are all waiting for the
(结果)of the exam.
6.The scientist checked the
(准确性)of the data many times.
7.They made a.
(联合的)effort to finish the project on time.
8.The
(电路)in the old house needs to be replaced.
高中选修4北师大版
寒假专版
9.He
(提出)that we should have a picnic this weekend.
10.The girl is
(有天赋的)in playing the violin.
3.三、首字母填空
1.Taking part in social activities can improve people's sense of w
2.The new washing machine is I
and saves a lot of time.
3.This electronic d
can translate languages in real time.
4.It's important to p
the difference between right and wrong.
5.The o
of the game surprised everyone.
6.High a
is required in scientific research.
7.The two companies started aj_
venture last year
8.A closed c
allows electricity to flow.
9.He p
a plan to solve the traffic problem.
10.The g
child can play the piano without being taught
4.四、用所给单词的适当形式填空
1.We should pay attention to our
(well-being)both physically and mentally.
2.This is a」
(labor-saving)device that can help with housework
3.He needs to check the
(device)before using them.
4.She
(perceive)that something was wrong with the plan.
5.The
(outcome)of the project was better than expected.
6.The
(accurate)of the experiment is crucial.
7.They worked together in.
(joint)to achieve the goal.
8.The engineer repaired the broken
(circuit)in the machine
9.He
(propose)to hold a meeting next week.
10.The
(gift)artist created many famous paintings.
5.参考答案
·一、单项选择
1.C2.D3.C4.A5B6.C7.B8.A9.B10.C
·二、根据句意及汉语提示完成单词
1.well-being 2.labor-saving 3.device 4.perceive 5.outcome 6.accuracy 7.joint 8.circuit 9.proposed
10.gifted
高中选修4北师大版
寒假专版
·三、首字母填空
1.well-being 2.labor-saving 3.device 4.perceive 5.outcome 6.accuracy 7.joint 8.circuit 9.proposed
10.gifted
·四、用所给单词的适当形式填空
1.well-being 2.labor-saving 3.devices 4.perceived 5.outcome 6.accuracy 7joint 8.circuit 9.proposed
10.gifted