人教版必修三Unit4SpaceExploration课文助读及写作突破(答案)

Unit4SpaceExplorationPart1ReadingandThinking【语法注解】①时间状语②后置定语③表语从句，介词短语作状语④伴随状语⑤定语从句⑥伴随状语，后置定语⑦谓语动词;宾语从句Part2Readingforwriting【语法注解】①状语从句②介词③定语从句，宾语从句④后置定语,目的状语⑤原因状语；定语从句⑥定语从句⑧主语；宾语从句⑨目的状语Part3写作突破【写作习题】第二步：推敲词汇1．have_a_heated_discussion2．be_worth_exploring3．be_too_far_away_from_us_and_our_daily_life4．starvation5．benefit_a_lot_from6．weather_forecast7．find_new_resources8．energy_shortage第三步：由词扩句1．had_a_heated_discussion_on_whether_space_exploration_is_worth_exploring.2．is_not_worthwhile3．is_spent_on_space_exploration.4．can_be_used_to_solve_many_problems5．space_exploration_is_necessary6．have_benefited_a_lot_from_it7．enable_us_to_find_new_resources_to_meet_people's_needs第四步：词汇/句式升级1．A_lot_of_money_spent_on_space_exploration_can_be_used_to_solve_many_problems_such_as_pollution_and_starvation.2．The_other_students_think_space_exploration_is_necessary_because_we_have_benefited_a_lot_from_it,_such_as_using_satellites_for_munication_and_weather_forecast.第五步：连句成篇【佳作展现】Recently,thestudentsinourclasshadaheateddiscussiononwhetherspaceexplorationisworthexploring.Somestudentsthinkspaceexplorationisnotworthwhile.Theythinkspaceistoofarawayfromusandourdailylife.Andthemoneyspentonspaceexplorationcanbeusedtosolvemanyproblemssuchaspollutionandstarvation.However,theotherstudentsthinkspaceexplorationisnecessarybecausewehavebenefitedalotfromit,suchasusingsatellitesformunicationandweatherforecast.Besides,spaceresearchwillenableustofindnewresourcestomeetpeople'sneeds.【举一反三】【佳作展现】Nowadays,WeChatstudygroupsaremoreandmorepopularamongpeople.However,differentpeopleholddifferentopinions.SomepeoplesupportstudyinginWeChatgroups.Theirreasonsareasfollows.Firstly,peoplecanlearnnewthingstheycan'tgetfromthebooks.Secondly,learnerscanmakefulluseoftheirsparetimetostudywherevertheyare.so.They,othersdon'tthinkso.Theyarguethatthegroupsarepoorlymanaged,whichleadstomuchfalseinformation.Besides,studyingbyjoiningtheWeChatgroupsisawasteoftime,whichshouldbespentmoremeaningfully.instantly.TakingsingWeChatgroupstostudyisagoodform,whichcanbringusgreatbenefit.Notonlycanwebeexposedtodifferentknowledgebut