高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature说课课件ppt

这是一份高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature说课课件ppt，共26页。PPT课件主要包含了设计说明，decline ，decline，看图猜词义，减少下降，趋势“下降”，“下降”别人的邀请，数量“下降”，谢绝拒绝 ，衰退衰落等内容，欢迎下载使用。
本课件依据新教材和新课标的要求，将中英文中思维差异大、高考出现频率高、词义较多、用法灵活的词汇进行了汇总和精讲。特点创新趣味性导入、追本溯源记单词、多重维度复现单词、遗忘曲线精准练单词、深度学习记忆单词模块每个词的呈现同中有异，包含导入、详情和练习三个主要模块。具体分为情境导入、词根溯源、语义网络图、精准释义、常见搭配、词块例句、高考链接、学后练习等方面
Unit5 高频词汇一览
decline n.&v.
decline n.&v.
decline [dɪˈklaɪn] n.&v.
decline 下降，婉言拒绝de-, 向下，离开。-clin, 弯，转，词源同lean, incline. 即向下转开，引申义婉言拒绝。
decline下降基本义
减少；下降；衰退；衰落
n.[C] & [U]减少;下降; 衰退;衰落a cntinuus decrease in the number, value, quality, etc. f sthvi. 减少;下降t becme smaller, fewer, weaker, etc.vi. 衰退;衰落vt.(frmal) 谢绝；婉言拒绝t refuse plitely t accept r t d sth
decline by…减少了……decline t…减少到……An increase in cars has resulted in the decline f public transprt.汽车的增加导致了公共交通的减少。The number f turists t the resrt declined by 10% last year.去年到这个胜地旅游的人数减少了10%。I ffered t give them a lift but they declined.我主动邀请他们搭车，但他们婉言谢绝了
记忆技巧：de 向下 + clin 倾斜 + e → 向下倾斜 → 衰退同义词： 作拒绝时refuse 作减少时decrease, reduce，反义词是increase
These lights, knwn as adaptive signals, have led t significant declines in bth the truble and cst f travels between wrk and hme.(高考 浙江卷 2020 阅读)The number f trees larger than tw feet acrss has declined by 50 percent n mre than 46, 000 square miles f Califrnia frests, the new study finds.(高考 浙江卷 2019 阅读)
该词在历年高考真题中出现49次
一、在空白处填入1个适当的单词或括号内单词的正确形式。Accrding t scientists, ur mental abilities begin t _____________ (下降，回落) frm the age f 27 after reaching the highest level at 22. 2012 浙江2. The super star declined __________________ (interview v).3. They encurage kids t plitely decline __________ (d) things that they believe are wrng.（2014 江苏） 4. Scientists estimate that shark ppulatins in the nrth-west Atlantic Ocean have declined _________ an average f 50% since the early 1970s.
decline/decrease
t be interviewed
5. In the US, the mnthly decline __________ vehicle sales accelerated （加快） fr the last three mnths, falling 41% in February frm a year earlier.二、根据所给汉语完成下列句子。1. I ____________________________（已经婉言谢绝了他们的提议） t exhibit sme f my paintings in this gallery.（2014 上海） 2. Many lder peple dn’t begin t experience _____________________________（身体的衰弱和智力的下降） until after age 75.（2015 广东）
have declined their ffer
physical and mental decline
3. Chimps（黑猩猩）in the wild seek fd fr themselves. Even chimp mthers regularly ________________________（拒 绝分享食物）with their children.（2016 江苏） 4. A cmpany whse prfits frm hme markets ________________________（在迅速下降）may seek pprtunities abrad.（2014 山东改）
decline t share fd
are declining fast / rapidly
suspect n.&v.
suspect [səˈspekt ] v. & n.
The laws I lve, the lawyers I suspect.—— Charles Churchill 西方人向来不乏对律师的揶揄之词。这句话译作“我热爱法律，但我怀疑律师。” 说到怀疑，我们很容易想到dubt，这里为什么用suspect呢？dubt和suspect有什么区别呢?
suspect 怀疑：sus-,在下，向上，-spect,看，词源同 spectate,respect.引申词义怀疑。
vt. & vi. 猜想；怀疑 t believe that sth may happen r be truevt.怀疑（某人有罪）t think that sb is prbably guilty f a crimen. [C] 嫌疑犯；可疑分子adj. 不可信的；可疑的
suspect sb f (ding) sthThey suspect him f a theft. The pliceman suspected him f killing the girl.The dctrs suspected cancer.She strngly suspected he was lying t her.She’s nt ging t be very happy abut this, I suspect.
questin a suspect a suspect package
► 记忆技巧：sus 下 + pect〔=spect〕看 → 在下面偷偷看 → 怀疑
辨析 suspect，dubtsuspect：t believe that sth bad may happen r may be true认为某事会发生，尚缺少依据。 The pliceman suspected her f stealing the wallet.dubt：t think that sth may nt be true r that it is unlikely不确定某事或者认为某事不可能。 I dubt if it will rain tmrrw.
He pulls ut a special device, pints it at the suspect, and switches it n.(高考 天津卷6月 2020 阅读)She suspected that ne f her three daughters — then ten, eight, and six — had picked it up, but the girls said they hadn't.(高考 浙江卷 2017 语法填空)
该词在历年高考真题中出现80次
一、写出下列句子中画线部分的汉语释义。1. The plice suspect him f carrying ut tw bmb attacks. ________2. Plice have issued a phtgraph f the suspect. ________ 3. The study was carried ut with such a small sample that its results are suspect. ________