课时作业18Unit6SectionⅢDevelopingideas,Presentingideas&ReflectionⅠ.单句语法填空1.[2016·天津卷]Themajority(major)ofthemtakeanonlinelanguagetestbeforestartingtheirprogramme.2.[2023年·天津3月卷]Peoplecanbegiventheinformationearlierandtakestepsto_improve(improve)theirhealthbeforeit'stoolate.3.[2023年·全国卷Ⅱ改编]Doing(do)volunteerworkgivesherasenseofduty.4.[2023年·北京卷]...itisnotsurprisingthatsuchwormscanbreakdownpolyethylene(聚乙烯).5.[2023年·全国Ⅲ卷]Today$8or$10seemsasmallamountofmoney,butatthattimetheseamountswereforbiddingtomostcitizens.6.[2016·全国Ⅲ卷]Peopleprobablycookedtheirfoodinlargepots,usingtwigs(树枝)to_remove(remove)it.7.[20...