第九屆初中生科普英語競賽輔導材料.doc
第九屆初中生科普英語競賽輔導材料1 An Animal that Sees with Its Earsecholocation eku lukein n. 回聲定位能力, 回聲定位法eyesight 'asat n. 視力object 'bdikt n. 物體賓語從句 Scientists now know that bats see by using what we call echolocation.表語從句 Here is how it works.It is + adj. + for sb. to do sth. It is almost impossible to trick them.use their eyesight to hunt for foodcertain bats: some batsmake a soundsend out sound wavesa fraction of a sound later: in a short timenot onlybuteven though: even if 即使without any troublemore importantly catch it in mid-airtell v. 判斷something good to e2Fish with flashlights?現(xiàn)在完成時 have+過去分詞 Have you ever heard of a fish with flashlight?現(xiàn)在完成進行時 Have you ever been sitting at home when the electricity went off?現(xiàn)在分詞doing,具有形容詞或副詞的特點,可以做定語、狀語、補語、表語。 如: There is a man standing there.(后置定語) Being ill today, I wont come.(原因狀語)I see him standing there. (補語) He is speaking. (表語)(注意它和動名詞做表語的區(qū)別,記住動名詞是個名詞性成分)the 比較級+the 比較級 越就越.The darker the surroundings, the brighter the glow appears to be.定語從句These bacteria produce certain chemicals that give off a faint glow.Some of these fish have special shutters over the pouches in which these bacteria live.Other scientists think that the fish use these flashlights to attract smaller fish which they eat as food.There may be other reasons for this special flashlight that we have not yet discovered.Key structures and Phrases被動語態(tài) be+過去分詞 Sometimes the fish do not want to be seen, so they simply close these shutters.This keeps the glow from being seen. (the electricity) go off :go out / have a black outgive off lightpretty scary: very scarysearch for: look forasasto a depth of 到達的深度once 一旦pitch-black adj.漆黑的, 墨黑的have the ability to = be able tokeep from doing sth. =stop from doing sth.at other times = on other occasionsallow sb. to do sth.a colony of thousands of bacteria 聚集著成千上萬的細菌give off a faint glow= give off faint light3 Penguins- perfect parentssurvive svaiv v. 生存,生還amazing meizi 驚人的,驚奇的形容詞最高級 the most amazing animalsone of the coldest places on Earth虛擬語氣 If their eggs were left on the ice, they would freeze solid!被動語態(tài) be left定語從句 They return to the icy shore where the mother lays one very large egg.make their home in the Antarctic 在南極安家not onlybut also =not only but. as wellsurvive the bitter cold 在嚴寒的環(huán)境中生存make perfect parents=be perfect parents spend(in) doing sth.at the start of winternothing but= onlya fold of feathered skinroll ontostay behindbe full of feed withcare for = take care of = look aftergo back to the seatake turns doing sth.輪流, 依次做某事one parent, the other. 一個,另一個聯(lián)系動詞-stay+形容詞 stay gone表示狀態(tài)和狀態(tài)的持續(xù),如: be(是), seem(似乎), look(看起來), appear(似乎), feel(覺得), sound(聽起來), smell(聞起來), taste(嘗起來), keep(保持), remain(保持), stand(站立), lie(躺), stay(停留)等。表示從一種狀態(tài)轉變?yōu)榱硪环N狀態(tài),如:become(變成), go(變得), get(變得), turn(變成), grow(變成), fall(變成某種狀態(tài)), come(成為), run(變成)等。4 What?! A meat- eating plant?!herbivorous h:'bivrs a. 食草性的carnivorous k:'nivrs a. 食肉性的the pitcher plant 'pit 豬籠草sundew 'sn,du: n. 毛膏菜be composed of km'puzd 由.組成slippery 'slipri a. 滑的rim rim n. (尤指圓形物的)邊緣preventfrom doing sth. 防止做某事nectar 'nekt n. 花蜜projection pr'dekn n. 突起,突狀物suffocate 'sfkeit v. 使窒息fearfully 'fifli adv. 可怕地定語從句Those that eat plants; and those that eat meat.People in Asia could tell you about the pitcher plant, which is shaded with bright red color and produces a honey-like juice that attracts insects.The fluid then suffocate the insect, which gradually is digested by the plant.divide into 把分成believe it or not 信不信由你,不管你是否相信for example:for instance 例如tell sb. about sth.is shaded with 掩映在.之中(被動語態(tài))be composed of 由.構成extremely slippery=very slipperylean over 彎下身子,俯身于之上lose ones footing 失足at the bottom of 在.的底部drown the insect 將昆蟲淹死 draundigest. as food for the plant 將它作為植物的美食消化掉secrete a sticky substance sikri:t 分泌一種粘稠的物質preventfrom doing sth. 防止做某事struggle to free itself 掙扎著想飛走adapt to 適應5 Light night, dark starshaze heiz n. 薄霧artificial ,:tifil adj. 人造的surround sraund vt. 包圍, 環(huán)境be surrounded by 被.環(huán)繞invisible invizbl adj. 看不見的, 無形的disorient dis:rint vt. 使失去方向感, 使迷惑 efficient Ifint adj. (直接)生效的, 有效率的, 能干的energy-efficient a. 節(jié)能的shielding i:ldi n. 護罩blind n.(pl.) 百葉窗,窗簾internal a. 內在的,內部的形容詞、副詞比較級more wisely and with less wasteeven worse/ far more difficulton a clear night 在一個晴朗的晚上block the view 擋住視線see. from afar 從遠處看witness light pollution 見識光污染be made up of 由.組成makeeven worse 使. 更嚴重this haze of light 這團光霧make it far more difficult for sb. to do sth. it 為形式賓語depend on 依靠,依賴guide them into the water 指路回到水中end up doing sth. 以結束Key structures and Phraseshead towardby mistake 錯誤地朝著走lit-up parking lots 燈火通明的停車場It is estimated that 據(jù)估計preventfrom doing sth.in use 使用中encourage sb. to do sth. 鼓勵某人做某事motion-sensor lights 感應燈energy-efficient light bulbs 節(jié)能燈泡shine skyward 向天空照可修飾比較級的詞 1)a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等2)還可以用表示倍數(shù)的詞或度量名詞作修飾語3)以上詞(除by far)外,必須置于比較級形容詞或副詞的前面6 Dont eat that sandwich!contaminate kntæmineit v. 弄臟,污染bacteria bæktiri n. 細菌vomit vmit v.嘔吐diarrhea ,dairi n. 痢疾,腹瀉organism :nizm n. 有機體,有機組織symptom 'simptm n. 癥狀Salmonella sælm'nel n. 沙門氏菌thoroughly rli ad. 徹底地,完全地attach to tæt 附在.上 in the rush to do sth.急匆匆地做某事throw it away 扔掉follow a rule 遵循規(guī)則single celled organisms 單細胞有機體 cause illnesses: cause diseasescommon symptoms 常見的癥狀food borne bacteria食物上滋生的細菌 (bear- bore- born/borne)make people sickearlier this year 今年年初attach to 附在上according to 根據(jù),據(jù)說carry out a series of experiments 開展一系列實驗it takes sb. some time to do sth.toss it out 把它丟棄, 扔掉be careful (not) to do sth. 當心(別)做某事at the manufacturing plant 在生產(chǎn)廠家 mænju'fæktbe found in raw eggs and chicken 被動語態(tài)raw- cooked 反義詞cook thoroughly 燒熟 tip n. 提示, 技巧動名詞-動詞原形+ing構成,具有名詞,動詞一些特征Being a good housekeeper is a second tip for preventing infection.動名詞:動名詞在形式上和現(xiàn)在分詞相同,然而現(xiàn)在分詞具有形容詞或副詞的特點;而動名詞具有名詞的特點,在句子中可作主語、表語、賓語或介詞的賓語。e.g.Working with you is a pleasure. 和你一起工作是一種樂趣。 (主語)Seeing is believing.眼見為實。(主語)Another goal was ending the chaos in the country. 另一個目標是結束國家的混亂狀態(tài)。(表語)My job is teaching.我的工作是教學。(表語)Her shoes wants mending. 她的鞋該修理了。(賓語)I have finished writing this book.我已經(jīng)寫完這本書了。 (賓語)She left without saying good-bye to us.她沒有向我們告別就走了。(介詞賓語)My brother is fond of skating. 我弟弟喜歡滑冰(介詞賓語)Thank you for giving me some help. 謝謝你給我些幫助。 (介詞賓語)Being a good housekeeper is a second tip for preventing infection.7. A different way to wake upassignment 'sainmnt n. 作業(yè)halogen 'hældn n. 鹵素cured kjud a. 腌制的clang klæ v. 發(fā)出當當聲strip strip n. 條preserved pri'z:vd a. 保鮮的spoil spil v. 壞掉nostril 'nstril n. 鼻孔beep bi:p n. 喇叭work on a degree in art and technology 攻讀藝術與技術學位in electronic class 在電子班create something for the household 開發(fā)一個家居用品an alarm clock 鬧鈴deal with wake up to 被.叫醒instead of 替代clanging 發(fā)出當當聲的rather than 而不是There is no danger of burning 不會有失火的危險use for doing sth. = use to do sth. 用來做某事turn off automatically 自動熄滅(關閉)a couple of(= several) frozen strip 幾條速凍的肉the night before 前一天晚上spoil v. 壞掉,腐壞set the alarm for 把鬧鐘設在(幾點)under the halogen bulbsblow the scent out 把香味吹出smell yourself awake 烤肉的香味把自己叫醒on the side 邊上的被動語態(tài) be+過去分詞Just a few easy steps are required to set the alarm.8. Europe tops the world charts for quality of lifetop n.蓋,加以頂,高達,超越chart 圖表,這里指排行榜quality of life 生活質量showas顯示為tie n.(投票等的)同數(shù),(比賽時)同分,平局;v. 不分勝負tying tie的ing形式criteria kraitirin.標準key criteria 關鍵的(主要的)評選標準be lacking in “缺乏”magnify mægnifai v.放大,擴大scrape skreip v.刮擦,摩擦,“觸地”stakes n.木樁,“方面”knock into把打入、擊入dominate dmineit v. 支配, 占優(yōu)勢rank ræk n. 排名 v. 排列,歸類于,列于annual ænjul a. 每年的;全年的consultancy knsltnsi n. 顧問retain ritein vt. 保持, 保留distinction distinkn n. 聲望Brazzaville bræzvil 布拉柴維爾Congo kngu 剛果in which to live用來修飾先行詞cityZurich zurik n. 蘇黎世Vancouver vænku:v 溫哥華(加拿大一港市)Vienna vienn. 維也納(奧地利首都)be used to 被用于 desirability di,zairbilti n.愿望, 需求v. desire 渴望 -able 形容詞后綴 -ability 能力natural and socio-cutural environment siu 自然人文環(huán)境recreation rekriei()n 娛樂,消遣equal with 與.相等,與.并列senior researcher si:nj 高級研究員basic comforts of life 基本的生活舒適度hygiene haidi:n n. 衛(wèi)生personal safety 個人安全differentiators difrni,eit 差距developing countries 發(fā)展中國家developed countries 發(fā)達國家instability n.不穩(wěn)定性stable a. 穩(wěn)定的-stability n.穩(wěn)定性- instabilityround out 充實,還有,豐滿in the environmental stakes 在環(huán)境方面pollution-choked 城市污染嚴重的 choke窒息Frankfurt frænkft 法蘭克福Helsinki helsiki 赫爾辛基Auckland :klnd 奧克蘭Copenhagen ,kupnheign 哥本哈根Ouagadougou wa:gdu:gu:瓦加杜古Burkina Faso b:kin fæsu布基納法索(非洲國家)Baghdad bægdæd巴格達Calgary kælgri 卡爾加里Mexico City meksiku 墨西哥被動語態(tài) be+過去分詞 was used as/ were used to/ is magnified by現(xiàn)在完成時have/has+過去分詞 Though the worlds living standards have risen slightly since last year, rise- rose risen 上升用于現(xiàn)在完成時的詞:already, yet, ever, never, before, just, lately, up to now, up till now, now, so far, for+一段時間, since+時間點, three times. 9. Skip the milk chocolate, dark is better for youskip 跳過bonbon bnbn 糖果be better off (doing sth.) 最好做某事,做某事很明智protect against 使免受interfere with 妨礙,干擾dietary daitri a. 飲食上的 diet n.飲食flavonoid fleivnid 類黃酮degenerative disease n.變性疾病,變異疾病 didenrtivbe good for -be better forif, mightfavor vt.支持, 贊成, 喜歡 favorite a.喜愛的favorover喜歡勝過variety n.品種,種類 a variety of 各種各樣的 varied a. 各式各樣的be better off switching 最好還是改變一下antioxidant æntiksidnt抗氧化劑, 硬化防止劑 anti- 反,抗 oxid- 氧氣,氧化oxygen 氧氣 carbon-dioxide 二氧化碳 carbon monoxide 一氧化碳raise +n. vt 及物動詞,后接名詞 n.上升, 高地,rise vi. 不及物動詞,后不接名詞 n. 上升, 增加protect against 使免受heart disease 心臟疾病along with 伴著interfere with 妨礙,干擾 ,intfiabsorption n.吸收 absorb v.scientific journal Nature 科學雜志自然100 grams of 100克blood analysis nælisis 血液分析epicatechin epikætitin 表兒茶酸associate suieit n. 同事,助手in contrast 相反,對比 a- æmoreover= in addition 此外(in the) bloodstream 血流highlight the possibility 增加了可能性highlight v.使顯著 possible-possibilitytake into account 重視,考慮dietary habits 飲食習慣assess v. 評估 assessment n.被動語態(tài) be+過去分詞 is/ was eaten/was seen形容詞比較級 is better for be better off doing sth. much lower than good- better best much more- most many- more-most10. Lots of fruit in childhood cuts adult cancer riskcuts adult cancer risk 成年少生癌癥the more. the more越越.have an effect on 對.有影響fill in 填寫(表格)inventory invntri n.清單be less likely to 可能性較小suffer from 患(某種病); 受(某種病痛)折磨cancer kæns 癌癥the more.the less likely越多,的可能性就越小lung, bowel and breast cancer baul 腸 brest 乳房 肺癌,腸癌,乳腺癌childhood fruit consumption knsmpn 孩提時代水果的食用量 (consume v.消耗,消費)have an effect on 對有影響in adulthood 在成年以后Medical Research Council 醫(yī)學研究會look into 瀏覽,調查in rural and urban areas rurl 農(nóng)村的 :bn 城市的up to 直到,多達diagnose the case of cancer診斷患癌癥病例in addition to 除了fewer= make fewer 減少be associated with 與有關,與有關系 suieit be loaded with 富含 lud裝載, 裝載量,負荷vitamin vitmin 維他命nutrient nju:trint 營養(yǎng)物,營養(yǎng)品genetic damage dinetik 遺傳學 遺傳損傷;遺傳性損傷lead to 導致the development of cancer 癌變impact impækt n. 影響, 作用the impact on 在.方面的影響beta carotene bi:tkærti:n 胡蘿卜素evidence evidns 證據(jù); 跡象individual ,ndividjul adj. 個別的, 單獨的, 個人的as protective as 和一樣有效prtektiv adj. 保護的, 防護的過去完成時 had+過去分詞 had eaten/ had been diagnosed 11. Internet may cause depressionappear to= seem to 似乎,好像log on lg 上網(wǎng)be contrary to 與.相反 kntrriaccount for 解釋per se p:sei ad.本身,就其本身而論in terms of 和.相關decline diklainn. 下降, 減少, 衰退in psychological well-being 心理健康 ,saikldikl adj. 心理的; 精神的well-being n. 健康,康樂,安寧according to 根據(jù)depression dipren n. 憂傷, 消沉, 沮喪loneliness lunliniz n. 孤獨lonely a. lonelinessalone 單獨的less frequently頻率較低 fri:kwntli adv. 常常,頻繁地,經(jīng)常地two-year study 復合形容詞spend time on sth.it is not.but. 不是,而是actually æktuli adv. 實際上, 確實puzzle over 對.困惑不解be contrary to 與相反expectation ekspektein n. 預料; 期望expect ikspekt v.預料,預期socially suli adv.從社交角度上healthy- healthier (than)since= becauseavailable veilbl adj. 可用的或可得到的hypothesize haipisaizv.假設,假定,猜測faceless 見不到面的bodiless 看不見人的(body)virtual communicationv:tjul adj. 實質上的, 事實上的, 實際上的k,mju:nikein n. 交流, 交際, 通訊psychologically satisfying 心理滿足actual conversation 現(xiàn)實的溝通shallow- shallower 更淺exposure to 暴露 ikspuexpose v. exposure n.via= through 通過be satisfied with 對感到滿意psychology n.心理學-psychological a. - psychologically adv. - psychologist n. 心理學家sponsor spns發(fā)起人point to 指向application ,æplikein 實際應用12. What is color blindness?tease sb. about sth. ti:z 嘲笑某人have trouble doing sth. 做某事有困難tricky triki a. 棘手的trick vt. 哄騙; 欺騙normal n:ml正常的respond to 對作出反應inherited trait inheritid遺傳特征far more likely to do sth. 更容易,更可能at least 至少lend him a hand =give him some helphad better do sth. 最好做某事13. 2009s eclipse iklipssolar eclipse就是自然奇觀“日食”。Solar源于希臘語,指“of,relating to,or proceeding from the sun”(和太陽有關的或從太陽發(fā)出的),其相關的表達如:solar calendar(陽歷),solar cooker(太陽灶),solar heating system(太陽能加熱系統(tǒng))。 eclipse,由于它指代“天體的部分或全部受其它天體的遮掩而變得晦暗”,我們可以將其引申為“使黯然失色”,用在英語寫作或口語表達上會您增色不少。 “日全食”-total solar eclipse “日偏食”-partial solar eclipse月食:lunar eclipse; eclipse of the moon; moon's eclipsebe into.對.感興趣spectacular spektækjul 壯觀,場面浩大charter t:t 包租,承租humidity hju:miditi 空氣濕度,潮濕 humid a. 潮濕的sky-gazers 觀天象者,天文愛好者gaze v.凝視-gazer n.凝視者eternity It:niti永恒eternal a. 永恒的junkie n.對入迷/上癮的人 dkia total solar eclipse 日全食book a trip= reserve a tripsell out 賣完as soon as 一就on average 平均被動語態(tài) are announced 被宣布 are created equal 被平等地創(chuàng)造 dark a. -darken v. 使變暗make a huge difference有很大關系take place= occur= happenfrequent a. 時常發(fā)生的,常見的humidity n. 空氣濕度,潮濕make for 致使relatively adv. 相對地easy-to-reach 交通便利的predicted length 預計的長度long a.- length n.even longer even+比較級get out to sea 出海Iwo Jima 硫磺島 i:wu di:m14. Why do people shrink?shrink rik v. 縮gravity ræviti n. 重力cushion kun n. 墊子spine spain n.脊柱press v. 擠壓osteoporosis,stiup:rusis n.骨質疏松癥replace v. 代替 recover v. 恢復become tiny enough become+ adj. 聯(lián)系動詞+形容詞 又如: become smaller and weaker stay strong 形容詞+enough enough+名詞it is +adj+for sb. to do sth.a little shorter a little +形容詞比較級over time 隨著時間的流逝over years 年復一年at all 根本 take hold 控制get compressed= be compressedend up doing sth.以結束lose a little height 使人變矮high a. - height n. 高度break down 衰弱下來is said to be lost 據(jù)說 被流失its not being replaced 現(xiàn)在進行時的被動語態(tài)eat a well-balanced diet 均衡地飲食rich in 富含bone-building mineral calcium 強骨礦物鈣質 kælsim 鈣exercise regularly 有規(guī)律地運動not as tall as 不如高15. Benjamin Franklin and the discovery of electricityknow more about it 對他多一些了解pass through metal 穿過金屬base 根部brass a-a:thundercloud ndklaud 雷雨云pick up electrical charges 獲得電荷wet-wet/wetted- wet/wettedcautiously k:sli 謹慎地reach out his finger 伸出他的手指a series of sparks 一串火花thus 因此might+現(xiàn)在完成時 表示對過去發(fā)生的事進行猜測 如:might have been killeda bolt of lightning 一道閃電figure out a way 找到一個解決辦法16. Einsteins theory of relativitytheory of relativity 相對論 iri reltivtibe famous for 以而聞名mass mæs 質量unchangeable 一成不變be relative to 與.相對in my point of view 就我的角度來看different points of view 不同角度from your point of view 從你的角度construct a theory構建一個理論apply to 應用到the world of physics 物理世界make advancement 取得進步it is +adj+ for sb.+ to do sth.remain the same 保持不變elevator =lift 直達電梯crash at the bottom 摔至底部it seems that 似乎depend on 取決于You wont feel like youre being pulled on anymore than gravity usually does.你不會感覺到向下的拉力,正如你平時也不會感受到重力一樣。 feel like / sound like / taste like / smell like / look like Ifwere, it would .虛擬語氣are being pulled 正在被拽著 使用被動語態(tài)應注意什么被動語態(tài)的不同時態(tài)被動語態(tài)由“be+過去分詞”,其中be根據(jù)情況可使用各種不同時態(tài)。這句口訣是“被動語態(tài)必有be done,時態(tài)在be上體現(xiàn)” ,也就是說只在“be動詞上做文章,過去分詞不動!”初中階段要掌握六個時態(tài)的被動語態(tài)和情態(tài)動詞的被動語態(tài)一般過去時的被動語態(tài):was/were done過去進行時的被動語態(tài):was/were being done現(xiàn)在完成時的被動語態(tài):has/have been done一般現(xiàn)在時的被動語態(tài):am/is/are done現(xiàn)在進行時的被動語態(tài):am/is/are being done一般將來時的被動語態(tài):will be done;am/is/are going to be done否定句和疑問句都在助動詞be后加not,疑問句把助動詞be提前情態(tài)動詞的被動語態(tài):can/may/must/could/should be done否定句和疑問句都在情態(tài)動詞后加not,疑問句把情態(tài)動詞提前哪些動詞無被動語態(tài):不及物動詞沒有被動語態(tài)。因為不及物動詞沒有賓語,所以若將其用于被動語態(tài)則沒有主語,故不能用于被動語態(tài)。如:take place(發(fā)生),happen(發(fā)生),break out(爆發(fā)),appear(出現(xiàn)),disappear(消失),last(持續(xù)),spread等:17. Animals compassescompass kmps n. 羅盤,指南針navigate nævieit v. 導航,航行 navigation n.magnetic mænetik a. 磁性nectar nekt n. 花蜜hive haiv n. 蜂箱,蜂房migrate maireit v. 遷徙migrating animals 遷徙的動物a variety of 各種各樣的vary vri v. 呈現(xiàn)不同various vris adj.各種不同的, 各種各樣的-variety vraiti n. 品種, 種類inner compasses 體內的指南針steer =navigate sti 掌舵,駕駛the position of the Sun 太陽的位置switch to 轉向the homing pigeon 信鴿homing (鳥、動物)有返回原地能力的the Earths magnetic fields 地球的磁場indication ,ndikein n.跡象mollusk mlsk n. 軟體動物make use of 利用otherwise 否則complicated kmplikeitid復雜的naturalist nætrlst n. 博物學家bee scout skaut 偵查員in relation to 與.有關gather the food 采集食物may have changed 可能已經(jīng)改變了somewhat 有點,稍微In later trips during the day, the Sun will seem to move farther and farther toward the west.出發(fā)地越遲,太陽就越偏西。 far fartherfarthest far further- furthestchange their course correspondingly 相應地改變前進的方向course k:s n. 課程,進程, 過程,航向, 航線,一道菜correspondingly ,krispndiliadv.相對地,比照地,相應地18. Colour and lifeoptimist ptimist n. 樂觀主義者-optimistic a. 樂觀的- optimism ptimizm n. 樂觀主義; 樂觀pessimist n. 悲觀主義者-pessimistic a. pessimism depressing a.令人沮喪的-depressed a.感到沮喪的depression n.沮喪,憂傷suicide sjuisaid n 自殺excitement n. 興奮,激動(的事)exciteexcitedexcitingwould rather than寧愿而不是tend to do sth.傾向做某事at least 至少what psychologist tell us 做be動詞的表語have been seriously studying 一直在認認真真地研究 現(xiàn)在完成進行時the meaning of colour preference 色彩偏愛的意義prefrnsas well as 也have effect on 在的影響 Ifektinfluence our moods 影響我們的情緒influns v.n.影響 mu:d n.心情,情緒doubt daut n. 懷疑cheerful 歡樂的,高興的relaxed 輕松的,自在的on the other hand 在另一個方面used to be 過去常常scene si:n 現(xiàn)場,地點any other +名詞單數(shù) any other bridge any other student any other boypaint-repaint be repainted 被動語態(tài)suicide attempt 自殺的企圖sharply adv. 急劇地