Unit 3 Conservation Lesson 1 The Six Extinction 课件(共20张PPT,内镶嵌音频)-北师大版(2019)选择性必修第一册

(共20张PPT)
北师大版（2019）选择性必修一
Unit 3 Conservation
LESSON 1 THE SIXTH EXTINCTION
New Words & Phrases
New Words & Phrases
1. die out 消失；绝迹，灭绝
2. species n. 物种，种
3. wipe vt. 擦；拭
4. wipe out 彻底毁灭
5. unusual adj. 异常的；不平常的
6. mass adj. 大量的
7. varied adj. 各种各样的，形形色色的
8. asteroid n. 小行星
9. decrease n. 减少；减少的量 vi. & vt. 减少
10. blame vt. 责怪，指责
11. be to blame （对某事）负有责任
12. affect vt. 影响
13. be at risk 处境危险，受到威胁
14. endangered adj. 濒危的
15. solar adj. 太阳光（能）的
16. hatch vi. & vt. （使）孵化
17. restore vt. （使）恢复
die out 消失；绝迹，灭绝
to stop existing（停止存在）
同义词: become extinct, vanish
例句:
Many rare birds are in danger of dying out. (许多珍稀鸟类面临灭绝的危险。)
That old tradition has almost died out. (那个古老的传统几乎已经消失了。)
species / spi i z/ n. 物种，种
a group into which animals, plants, etc. that are able to breed with each other and produce healthy young are divided（动物、植物等能够相互繁殖并产生健康后代的一个群体）
重要提示: 单复数同形。
an endangered species (濒危物种)
a rare species (稀有物种)
species diversity (物种多样性)
*wipe /wa p/ v. 擦；拭；消除；抹去
to clean or dry something by rubbing its surface with a cloth, etc.（用布等擦拭表面以清洁或弄干某物）；to remove information, sound, images, etc. from a computer, video, etc.（从计算机、视频等中删除信息、声音、图像等）
wipe the table (擦桌子)
wipe your tears (擦掉眼泪)
wipe data (删除数据)
wipe out 彻底毁灭
to destroy or remove somebody/something completely（彻底摧毁或移除某人/某物）
同义词: destroy completely, eradicate
例句:
The entire population was wiped out by the disease. (整个种群都被那种疾病毁灭了。)
The earthquake wiped out the whole village. (地震摧毁了整个村庄。)
unusual / n ju u l/ adj. 异常的；不平常的
different from what is usual or normal（与平常或正常情况不同）
副词 (adv.): unusually / n ju u li/ (请注意音标) (异常地)
名词 (n.): usual / ju u l/ (请注意音标) (平常的事)
同义词: uncommon, odd, strange
反义词: usual, common, normal
It is unusual to do sth (做某事是不寻常的)
an unusual sight (不寻常的景象)
mass /m s/ adj. 大量的 n. 团；块；大量；
(adj.): affecting or involving a large number of people or things（影响或涉及大量人或事物的）
(n.): a large amount or quantity of something（大量某物）
mass production (大规模生产)
a mass of/masses of + n. (大量的……)
the masses (群众)
varied / ve rid/ adj. 各种各样的，形形色色的
of many different types（多种不同类型的）
动词 (v.): vary / ve ri/ (变化；不同)
形容词 (adj.): various / ve ri s/ (各种各样的)
名词 (n.): variety /v ra ti/ (种类；多样化)
常见搭配:
a varied diet (多样化的饮食)
varied opinions (各种各样的意见)
*asteroid / st r d/ n. 小行星
any one of the many small planets that go around the sun（围绕太阳运行的众多小行星中的任何一颗）
decrease /d kri s/ v. 减少
/ di kri s/ n. 减少；减少的量
(v.): to become or make something smaller or fewer
(n.): the process of reducing something or the amount that something is reduced by（减少某物的过程或某物被减少的量）
构词法: de- (前缀，表示向下，减少) + crease (增长)
同义词 (v.): reduce, decline, drop
反义词 (v.): increase, grow
a decrease in... (……的减少)
blame /ble m/ v. 责怪，指责 n. 责任；过失
(v.): to think or say that somebody/something is responsible for something bad（认为或说某人/某物对坏事负责）
核心短语:
be to blame (for sth) (（对某事）负有责任)
blame sb for sth / blame sth on sb (因某事责怪某人)
Nobody is to blame for the accident. (没人需要对这次事故负责。)
be to blame （对某事）负有责任
to be responsible for something bad（对坏事负责）
例句:
The driver was to blame for the crash. (司机对撞车事故负有责任。)
affect / fekt/ v. 影响；（感情上）深深打动，使悲伤；（疾病）侵袭
to produce a change in sb./sth. ；(of sth bad or unpleasant) to make you feel very sad, sorry, etc. ；(of a disease) to attack somebody or a part of the body ；
名词 (n.): effect / fekt/ (影响；效果)
名词 (情感): affection / fek n/ (喜爱；钟爱)
形容词 (adj.): affecting / fekt / (使人悲伤的)
be affected by (受到……的影响)
have an effect on (对……有影响)
be at risk 处境危险，受到威胁
to be in a situation where you may be harmed or suffer loss（处于可能受到伤害或遭受损失的情况中）
例句:
Many jobs are at risk due to the economic crisis. (由于经济危机，许多工作岗位受到威胁。)
The species is at risk of extinction. (该物种面临灭绝的危险。)
endangered / n de nd d/ adj. 濒危的
(used about a type of animal, plant, etc.) in danger of no longer existing（（指某种动物、植物等）有不再存在的危险）
动词 (v.): endanger / n de nd (r)/ (危害；使遭受危险)
名词 (n.): danger / de nd (r)/ (危险)
形容词 (adj.): dangerous / de nd r s/ (危险的)
an endangered species (濒危物种)
be endangered by (受到……的威胁)
solar / s l (r)/ adj. 太阳光（能）的
using the sun’s energy（使用太阳能的）；connected with the sun（与太阳有关的）
常见搭配:
solar energy (太阳能)
solar system (太阳系)
solar panel (太阳能电池板)
hatch /h t / v. （使）孵化；策划
(of a young bird, fish, insect, etc.) to come out of an egg; to make a young bird, etc. come out of an egg （使）孵化。to create a plan or idea, especially in secret 策划。
常见搭配:
hatch from an egg (从蛋中孵出)
hatch a plot (密谋策划)
restore /r st (r)/ v. （使）恢复；归还；修复
to bring back a situation or feeling that existed before （使）恢复 to bring somebody/something back to a former condition, place or position 恢复；修复。to give back something that was lost or stolen to its owner 归还。
名词 (n.): restoration / rest re n/ (恢复；归还；修复)
同义词 (v.): recover, renew, return
restore order (恢复秩序)
restore one’s health (恢复健康)
Thank you