Unit 5 词汇复习之派生词 课件- 高一下学期英语外研版（2019）选择性必修第一册.pptx

《Unit 5 词汇复习之派生词 课件- 高一下学期英语外研版（2019）选择性必修第一册.pptx》由会员分享，可在线阅读，更多相关《Unit 5 词汇复习之派生词 课件- 高一下学期英语外研版（2019）选择性必修第一册.pptx（25页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、词汇复习之派生词,选择性必修一Adj. & n.,派生词考查一. 拼写。二. 长难句中,正确划分句子结构,判断空词词性。,impress vt. impression n. impressive adj. explore v. explorer n exploration ncollect vt. collection n. organise v. organised adj. organisation ndescribe vt. description n,名词词尾tion类 拼写易错词,confuse v confusing adj. confused adj. confusion n.

2、reflect v reflection nillustrate v illustration n说明，插图determine v determined adj. determination nsolve v. solution ncomplete v. completion n完成，结束compete v. competition n. 竞争,竞赛prevent v prevention n.,选择性必修一,examine examinationInteract interactioninform informationreveal revelationreject rejectionass

3、ociate associationcooperate cooperationexpect expectationGenerate Generation,名词词尾tion类 拼写易错词,选择性必修一,evolve evolutiondetect detectionqualify qualificaion资格radiate radiation 辐射,名词词尾tion类 拼写易错词,-ment -ant -ance -ence -en -ty -ist er or -smdisturbance preference endurance ignorance applicant geologist s

4、piker operatorCriticism批评 enthusiasm 热情 delivery 递送 curiosity cruelty assignment gentleness blessing 幸运,名词词尾 拼写易错词,选择性必修一,Adj . -y词尾,Mood -moodyShine -shinyMud -muddySteel -steelyice -icy,选择性必修一,familiar adj. unfamiliar adj. Patient - impatientUsual -unusualFair -unfairUseful - -uselessHelpful -help

5、lessDistinct -indistinct,Adj . -in -un -im -less否定词缀,选择性必修一,organise v. organised 系统的Challenge n. challenging挑战性的oppose v opposing adj相对立的entertain v entertaining adj 令人愉悦的Complicate v Complicated adj 复杂的confuse v confusing adj.令人困惑的 confused adj.困惑的,Adj . -ed -ing 词尾易错词,选择性必修一,Impress v. impressive

6、 adj.令人印象深 impressed adj.感到有印象Respect v respectable respectedappreciate v appreciativedelight v delighted delightful negotiate v协商 negotiableInnovate v革新 InnovativeMass n. 群,块 massive大量的,Adj . 有-ed 和 -ive / -ful/-able两种词尾考点词,选择性必修一,Influence influential influentiallyBenefit Beneficial Beneficiallyen

7、ergy -energetic - energeticallyeconomy -economic - economicallysteady steadily-le -ue 结尾的形容词 probable probablydedicate dedicatelygenuine Genuinely,选择性必修一,Adj . Adv. 考点词,长难句中派生词的运用,It is calculated by dividing a1._ (person) weight in kg by their height in meters squared, and a BMI of between 19 and 2

8、5 2._ (consider) healthy.But 30 years later, the BMI difference between urban and rural people in many countries had narrowed 3._ (sharp).This may be due to some disadvantages for people 4._ (live) in the countryside, including 5._ (low) levels of income and education, higher costs of healthy foods,

9、 and fewer sports facilities.,Keys: 1.Personal 2. is considered 3.sharply4. living 5. lower,分析1&2：这句话不难发现，and 并列的是两个句子前一句话It is calculated by dividing a persons weight in kg by their height in meters squared后一句话a BMI of between 19 and 25 _ (consider) healthy.句子的核心就是谓语动词，所以后一句话明显缺谓语动词，写谓语动词时一定要注意时态和语

10、态。不难看出，前一句话是一般现在时，那么这句话也应该是谓语动词（注：这种说法有些问题，但一般情况都是如此。）并且句意是“19和25之间的体重指数被视为健康的”，所以答案是 is considered,It is calculated by dividing a1._ (person) weight in kg by their height in meters squared, and a BMI of between 19 and 25 2._ (consider) healthy.,长难句中派生词的运用,长难句中派生词的运用,But 30 years later, the BMI diff

11、erence between urban and rural people in many countries had narrowed 3._ (sharp).是,分析3：这句话不难发现，and 并列的不是两个句子而是between urban and rural people in many countries句子的核心就是the BMI difference had narrowed不难看出， sharp 应为副词，修饰narrow的程度所以答案是 sharply.,This may be due to some disadvantages for people 4._ (live) i

12、n the countryside, including 5._ (low) levels of income and education, higher costs of healthy foods, and fewer sports facilities.,分析4&5:这句话中的谓语动词时may be，且for 是介词对于，介词后面应该跟名词短语。所以live只能变成非谓语，那么到底是to live 还是living呢？for people to live in the countryside 表示对于要去农村生活的人for people living in the countryside

13、 表示对于居住在农村的人根据句意：这或许对于居住在乡下的人而言有些劣势。所以应该填living（非谓语作定语）很显然and使 lower higher和 fewer并列.,长难句中派生词的运用,If youre one of the millions of Americans who take a blood pressure medication血压药 1._ part of their morning routine, you may want to rethink that. A new study has shown that 2._(take) your medication at

14、night instead might save your life.,实战训练,The study was simple yet thorough彻底的: 19,084 Caucasian adults who had been prescribed开处方 one or more of five common blood pressure medications were 3._(random) assigned to take them either immediately upon awakening 4._ right before turning off the lights to

15、go to bed. After more than six years, those 5._ took their medicine at night had slashed削减 their risk of dying from heart or blood vessel血管 problems by 66 percent more than the morning pill poppers服药的人 did. Plus, their risk of stroke中风 plummeted骤降 by 49 percent more; of heart attack, by 44 percent m

16、ore; and of heart failure, by 42 percent more.,实战训练,Its not entirely clear why taking the medications at night 6._(affect) the results so dramatically, though the researchers had previously reported that “average systolic blood pressure收缩压 when a person is asleep is the most significant and independ

17、ent indication迹象 of cardiovascular disease心血管疾病 risk, regardless of blood pressure 7._(measure) taken while 8._(wake) or when visiting a doctor.” While more research is needed to confirm 9._ the effects hold true with other ethnic groups, theres little downsideand 10._ potentially huge upsideto taki

18、ng medications at bedtime.,实战训练,1.as (考察介词。take sth as 把.当做）2.taking (考察非谓语。动名词作主语）3.randomly（考察形容词变副词。副词修饰动词be assigned 被分配）4.or (考察常见搭配。either.or. 要么.要么.;或者.或者.)5.who(考察定语从句。定语从句中，who关系代词指代先行词those）6.affects(考察谓语动词。主语是taking the medications at night在晚上吃药这件事情，动名词作主语，所以一般现在时谓语动词要注意三单）7.measurements

19、(考察名词。regardless of measurements taken 不管所做的测试，测试measurements）8.awake (考察动词变形容词。while awake 当醒着的时候）9.whether (考察宾语从句。确认这种效果是否在其他族群也起效）10.a (考察冠词。一个潜在巨大的积极面。）,keys,The Chinese New Year begins on 25 January, and to mark itand Veganuary I am going to make tofu. Because the subtle charms of tofu can str

20、uggle 1._(win) affection喜爱, I am including a tofu-based recipe食谱 that is not only packed with flavour风味, 2._ provides multisensory stimulation多种感官的刺激.,实战训练,One way to do this is with chilli peppers尖椒, 3._ contain a chemical called capsaicin辣椒素. This activates激活 TRPV1 receptors受体 in your mouth, which

21、 are sensitive to heat. Stimulating them 4._(send) signals to the brain that we perceive感知 as heat. Some people find these sensations pleasurable, perhaps 5._ they may stimulate the body to release hormones called endorphins.In Sichuan province, China, chillies 6._(eat) in prodigious惊人的 quantities,

22、often alongside another ingredient 7._ strange properties. Sichuan peppercorns 花椒come from a tree in the citrus柑橘属 family. Their effect is quite unique: they create 8._ numb, tingling麻的 sensation in the mouth similar to pins and needles.,实战训练,The molecule分子 responsible is called sanshool. A 2013 stu

23、dy found that it generated产生 sensations that we perceive as a 50-hertz 9._(vibrate), a frequency频率 that activates our Meissner receptors, which are responsible for 10._(detect) light touch.,实战训练,keys,1.to win （考察非谓语。struggle to do sth尽力做某事)2.but （考察连词。not only. but (also). 不但.而且.)3.which （考察非限制性定语从句

24、。which指代chilli peppers）4.sends （考察谓语动词。主语是动名词stimulating them,所以一般现在时谓语动词要注意三单）5.because （考察原因状语从句。句意：有些人发现这种感觉很愉快，或许因为他们会刺激身体释放出叫内啡肽的荷尔蒙）6.are eaten（考察谓语动词。主语是复数chillies辣椒，所欲后面的谓语动词要注意时态和语态，辣椒被吃.)7.with (考察介词。another ingredient with strange properties 有着奇怪特性的另一种材料）8.a （考察冠词。产生一种麻的感觉。）9.vibration（考察动词变名词。一种五十赫兹的震颤）10.detecting（考察非谓语。for是介词，后面的动词加ing。）,T,a,n,k,s,h,