内容正文:
高中选修1北师大版
寒假专版
C版词汇核心考点精讲
【寒假专版】
高中·北师大版·选修1Unit3:Conservation Lesson1
单元词汇总览
die out消失;绝迹,灭绝
形形色色的
endangered /in'demd3ad/adj.
species/'spi:i:z/n.物种,种
asteroid/'strId/n.小行星
危的
wipe /waIp/t.擦:拭
decrease/dr'kri:s/n.减少;减少solar/'saula/adj.太阳光(能)的
wipe out彻底毁灭
的量:vi.&t.减少
hatch /haetf/vi..&t.(使)孵化
unusual/n'ju:3ual/adj.异常的;blame/blem/v.责怪,指责
restore /rI'st:/vt.(使)恢复
不平常的
be to blame(对某事)负有责任
mass /maes/ad.大量的
affect/A'fekt/t.影响
varied/vearid/adj.各种各样的,be at risk处境危险,受到威胁
词汇核心考点精讲
1.die out
·核心考点:词性:动词短语(vⅵ)
2个核心义:消失:绝迹,灭绝
·必记搭配与例句:·指物种等消失:Many species died out millions of years ago
●指习俗等绝迹:Old traditions are dying out.
·近义短语辨析:●die out(强调不复存在):die of(逐个死亡):The plants died off in the drought.
2.wipe out
·核心考点:词性:动词短语(t.)
1个核心义:彻底毁灭
·必记搭配与例句:●wipe out sth.(彻底毁灭某物):The earthquake wiped out the village.
●wipe out a species(灭绝物种):Human activities may wipe out some rare animals
·注意事项:·及物动词短语,宾语可位于中间或后面:wipe sth.out/wipe out sth.
3.unusual /An'ju:3ual/adj.
·核心考点:词性:形容词(adj)
1个核心义:异常的:不平常的
·必记搭配与例句:●unusual weather(异常天气):We've had unusual weather this year
●unusual for sb.to do sth.(某人做某事不寻常):It's unusual for her to be late.
高中选修1北师大版
寒假专版
重点派生词:·usually(副词,反义词):He usually gets up early..
·unusually(副词):unusually cold(异常寒冷)
4.mass /maes/adj
·核心考点:词性:形容词(adj)
1个核心义:大量的
·必记搭配与例句:·mass production(大规模生产):This factory uses mass production.
●mass media(大众媒体):Mass media influence public opinion.
·词性转换:●名词(n.):a mass of(大量的):a mass of books(一堆书)
5.varied /'vearid/adj
·核心考点:词性:形容词(adj)
1个核心义:各种各样的,形形色色的
·必记搭配与例句:●varied interests(广泛的兴趣):She has varied interests.
●varied experiences(丰富的经历):His life is full of varied experiences
·重点派生词:●vay(动词):vary from.to.(从…到…变化):Prices vary from store to
store.
●variety(名词):a variety of(各种各样的):a variety of flowers
6.decrease /dr'kri:s/n.v.
·核心考点:词性:动词(i.&t.)/名词(n.)
1个核心义:减少:减少的量
·必记搭配与例句:·作动词:decrease by(减少了):The number decreased by 10%.
●作名词:a decrease in(在…方面的减少):There,s a decrease in temperature.
·反义词:·increase(动词/名词:增加)
7.blame /bleim/v.
·核心考点:词性:动词(v)
1个核心义:责怪,指责
·必记搭配与例句:·blame sb.for sth.(因某事责怪某人):HIe blamed me for the mistake
●be to blame(对某事负有责任):The driver was to blame for the accident.
·派生词:●blameful(形容词:应受责备的)
8.affect /a'fekt/vt.
·核心考点:词性:动词(t.)
1个核心义:影响
高中选修1北师大版
寒假专版
·必记搭配与例句:●affect sth.(影响某物):The rain affected the game..
●affect sb.’s health(影响某人健康):Smoking affects his health.
·易混词辨析:·affect(动词:影响):effect(名词:影响):have an effect on
9.endangered /mn'demnd3ad/adj.
·核心考点:词性:形容词(adj)
1个核心义:濒危的
·必记搭配与例句:·endangered species(频危物种):We need to protect endangered species..
●endangered animals(频危动物):Pandas are endangered animals.
·动词原形:●endanger(及物动词:使濒危):Pollution endangers wildlife,
10.restore/rI'sto:/vt.
·核心考点:词性:动词(t)
1个核心义:(使)恢复
·必记搭配与例句:·restore sth.(恢复某物):The doctor restored his sight,
●restore order(恢复秩序):Police restored order in the street.
·派生词:●restoration(名词:恢复):the restoration of peace(和平的恢复)
11.hatch /hatf/v.
·核心考点:词性:动词(ⅵi.&t)
1个核心义:(使)孵化
·必记搭配与例句:·指鸟蛋孵化:The eggs hatched after20days.
●指人工孵化:They hatch chickens in the factory.
·引申义:·hatch a plan(策划计划):They hatched a secret plan.
12.be at risk
·核心考点:词性:动词短语(vⅵ.)
1个核心义:处境危险,受到威胁
·必记搭配与例句:●be at risk of(有…的风险):He is at risk of illness.
●lives at risk(生命受到威胁):Firefighters put their lives at risk
·同义短语:·in danger(处于危险中):The child is in danger.
词汇核心考点综合训练
高中选修1北师大版
寒假专版
1.一、单项选择
1.Many ancient customs have gradually
over time.
。A.died out
●B.died off
·C.wiped out
●D.taken out
2.Human activities may
some rare species if we don't take action.
。A.die out
。B.wipe out
●C.break out
●D.un out
3.It's
for her to stay up late,as she usually goes to bed early.
●A.usual
·B.unusually
。C.unusual
●D.usually
4.
media play an important role in shaping public opinion.
●A.Mass
·B.Mess
。C.Miss
●D.Mask
5.Her
interests include painting,hiking,and playing the piano.
●A.vay
高中选修1北师大版
寒假专版
·B.variety
●C.varied
。D.varying
6.The number of students in the class has
by 20%since last year.
●A.increased
●B.decreased
。C.blamed
●D.affected
7.Don't
him for the mistake;it was my fault.
。A.blame
●B.affect
●C.restore
●D.hatch
8.The bad weather will
our plan to have a picnic this weekend.
●A.effect
●B.affect
·C.effort
●D.afford
9.Pandas are one of the most well-known
animals in the world.
●A.endangering
·B.endangered
。C.danger
●D.dangerous
10.The doctor tried his best to
the patient's eyesight.
高中选修1北师大版
寒假专版
·A.restore
●B.store
。C.explore
。D.ignore
2.二、根据提示补全句子
1.The temperature shows a
(decrease)of5℃today.(名词形式)
2.She has a
(vay)of hobbies,.such as reading and dancing.(名词形式)
3.Smoking
(affect)people'shealth seriously.(动词第三人称单数)
4.The government is taking measures to protect
(endanger)species.(形容词形式)
5.After the storm,the police worked hard to
(restore)order in the city.(动词原形)
6.It's
(usual)for him to be absent from class without telling the teacher.(
3.三、首字母填空
1.Many species are in danger of dying o
due to habitat loss.
2.The factory uses m
production to reduce costs.
3.The teacher said that the accident was partly my f
,but I shouldn't be fully blamed
4.The new policy will a the lives of millions of people.
5.If we don't protect the environment,more animals will be atr
of extinction.
4.参考答案
·一、单项选择
1.A2.B3.C4.A5.C6.B7.A8B9B10.A
·二、根据提示补全句子
1.decrease 2.variety 3.affects 4.endangered 5.restore 6.unusual
·三、首字母填空
1.out 2.mass 3.fault 4.affect 5.risk