2019-2020学人教版英语必修三导学同步练习：Unit+4+Astronomy：the+science+of+the+stars+Section+1+巩固+答案

Unit4SectionⅠⅠ.用所给词的适当形式填空1．ThestudyshowsthattheviolentscenesinmoviesandTVareharmfultochildren.2．Thewomanwhogavebirthtothetwinslastweekturnedouttobeafilmstar.3．That'sreallyapuzzling(puzzle)problem;nowonderallthestudentslookedpuzzled(puzzle)．4．Socialattentionshouldbepaidtopreventingourearthfrombeing_polluted(pollute)．5．ThisisthefirsttimethatIhave_visited(visit)yourhometown.6．Don'tworry.I'msurethingswillgetbetterintime.7．Airpollutionwillgetworse,whichwillbeharmful(harm)topeople'shealth.8．Theearthisarockyplanetwherethereisliquidwater,whichisnecessaryforlifeto_exist(exist)．9．Thebusdriveraskedthepassengerstogetonthebusinturn.10．Thebuswasheldupbythesnowstorm,thuscausing(cause)thedelay.Ⅱ.选词填空givebirthto，beharmfulto，intime，layeggs，comeintoexistenceprevent...from，inone'sturn，befundamentalto1．Itwasthestudyofhistorythatgave_birth_tosocialscience.2．They，in_their_turn，madesomeadvicefortheplan.3．Disregardingallthedifficulties，wearrivedherein_time.4．Mostfishreproducethemselvesbylaying_eggs.5．Nobodykn