七年级英语下册Unit5-Watermore-practice

Unit5OxfordEnglishModule3NaturalelementsWaterPeriod2Reading(2)MorepracticeAC2CompleteDora’sdiarybelowwiththewordsfromthebox.1Checking-upvoiceturnoffjourneydroppedaddedtovaluableComprehensionwasdirtystartsthereisvaluableVocabularystudybeon开着；上映，上演beoffturnoff关闭turnon打开turnoffthetap=turnthetapoffitadd…to…把……加入……chemicaln.化学药品（常用复数形式）adj.化学的BrainstormingWhydidthedropofwatertellDoranottowasteorpolluteit?Doyouthinkwaterisvaluable?Why?GroupdiscussionAquizAquizaboutwater1.About________ofthehumanbodyiswater.A.50%B.30%C.70%2.About________oftheEarthiswater.A.80%B.75%C.60%3.Mostofthewaterintheworldis________.A.freshwaterB.drinkableC.undrinkable4.Ifwaterdripsfromthetapevery10seconds,wewillwasteabout______litresofwaterayear.A.215B.315C.4155.Havingashowerinsteadofabathcansaveupto______litresofwateraweek.A.400B.300C.200MorepracticeMoreFactsaboutWATER1.About________ofthehumanbodyiswater.A.50%B.30%C.70%2.About________oftheEarthiswater.80%B.75%C.60%3.Mostofthewaterintheworldis________.A.freshwaterB.drinkableC.undrinkable4.Ifwaterdripsfromthetapevery10seconds,wewillwasteabout______litresofwaterayear.A.215B.315C.4155.Havingashowerinsteadofabathcansaveupto______litresofwateraweek.A.400B.300C.200MoreexercisehumandrinkablegroundwatertapshowerbathWhatdothenumbersaboutwatertellus?GroupdiscussionHomework1.跟录音，流利地朗读课文。2.以第一人称或第三人称描述水的循环过程。3.以“Waterisvaluable”为主题，写一篇短文。4.思考节约用水的方法，下一节课进行讨论。5.完成《综合练习册》第76页VocabularyB和第84至85页ReadingB，C的练习。