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第九届初中生科普英语竞赛辅导材料
LGGROUPsystemofficeroom【LGA16HLGYYLGUA8Q8LGA162】
f第九届初中生科普英语竞赛辅导材料
1.A
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imalthatSeeswithItsEarsecholocatio
ekulu’kei
回声定位能力回声定位法eyesightasat
视力objectbdikt
物体宾语从句Scie
tists
owk
owthatbats‘see’byusi
gwhatwecall‘echolocatio
’表语从句HereishowitworksItisadjforsbtodosthItisalmostimpossibletotrickthemusetheireyesighttohu
tforfoodcertai
batssomebatsmakeasou
dse
doutsou
dwavesafractio
ofasou
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ly…but…eve
thougheve
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tlycatchiti
midairtellv判断somethi
ggoodtoe2.Fishwithflashlights
现在完成时have过去分词Haveyoueverheardofafishwithflashlight现在完成进行时Haveyoueverbee
sitti
gathomewhe
theelectricitywe
toff
现在分词doi
g,具有形容词或副词的特点,可以做定语、状语、补语、表语。如:Thereisama
sta
di
gthere(后置定语)Bei
gilltodayIwo
‘tcome(原因状语)
fIseehimsta
di
gthere(补语)Heisspeaki
g(表语)(注意它和动名词做表语的区别,记住动名词是个名词性成分)the比较级the比较级越…就越…Thedarkerthesurrou
di
gsthebrightertheglowappearstobe定语从句Thesebacteriaproducecertai
chemicalsthatgiveoffafai
tglowSomeofthesefishhavespecial‘shutters’overthepouchesi
whichthesebacterialiveOtherscie
tiststhi
kthatthefishusethese‘flashlights’toattractsmallerfishwhichtheyeatasfoodTheremaybeotherreaso
sforthisspecial‘flashlight’thatwehave
otyetdiscoveredKeystructuresa
dPhrases被动语态be过去分词Sometimesthefishdo
otwa
ttobesee
sotheysimplyclosetheseshuttersThiskeepstheglowfrombei
gsee
theelectricitygooff:goouthaveablackout
giveofflightprettyscaryveryscarysearchforlookforas…as…toadepthof到达…的深度o
ce一旦pitchblackadj漆黑的墨黑的havetheabilitytobeabletokeep…fromdoi
gsthstop…fromdoi
gsthatothertimeso
otheroccasio
sallowsbtodosthacolo
yofthousa
dsofbacteria聚集着成千上万的细菌giveoffafai
tglowgiveofffai
tlight
f3Pe
gui
sperfectpare
tssurvives‘vaivv生存生还
amazi
g’meizi惊人的,惊奇的
形容词最高级themostamazi
ga
imalso
eofthecoldestplaceso
Earth虚拟语气Iftheireggswerelefto
theicetheywouldfreezesolid被动语态beleft定语从句Theyretur
totheicyshorewherethemotherlayso
everylargeeggmaketheirhomei
theA
tarctic在南极安家
oto
ly…butalso
oto
ly…butaswellsurvivethebittercold在严寒的环境中生r
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