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江西省2023-2024学年七年级第二学期第二次素养检测(物理)试卷答案试卷答案
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peoplestartdoingthis.Sotheyturnedtobabies,whodon'tgetmanychoicesso,asFeigensonputsit,are"aperfeetwindowintotheoriginofthistendency."Theteambrought10-to20-month-oldbabiesintothelabandgavethemachoiceofobjectstoplaywith:twoequallybrightandcolorfulsoftblocks.Theysetthemfurapart,sothebabieshadtocrawltooneortheother-arandomchoice.Afterthebabychoseoneofthetoys,theresearcherstookitawayandcamebackwithanewoption.Thebabiescouldthenpickfromthetoytheydidn'tplaywiththefirsttime,orabrandnewtoy.Theirchoicesshowedthey"dis-prefertheunchosenobject."Tocontinuestudyingtheevolutionofchoiceinbabies,thelabwillnextlookattheideaof"choiceoverload."Foradults,choiceisgood,buttoomanychoicescanbeaproblem,sothelabwilltrytodetermineifthatisalsotrueforbabies.32.Whatispeople'sassumptionabouttheactofmakingchoices?A.Theylikewhattheychoose.B.Theychoosewhattheylike.C.Theybasechoicesonthefact.D.Theymakechoicesthoughtfully.33.Whywerebabiesselectedassubjectsforthestudy?A.TohelpthemmakebetterchoicesB.Toguidethemtoperceivetheworld.C.TotracktherootofmakingrandomchoicesD.Todeepentheunderstandingofaconsumerculture.34.Whatdoesthestudyonthebabiesshow?A.Theylikenovelobjects.B.Theirchoicesaremostlybasedoncolors.C.Theirrandomchoicesbecomepreferences.D.Theyareunabletomakechoicesforthemselves.35.Whatwillthefollowingstudyfocuson?A.Thelawof“choiceoverload”.B.Theproblemofadults'manychoices.C.Whytoomanychoicescaninfluenceadults.D.Whetherbabiesaretroubledwithmanychoices.高三英语第8页（共12页）
(1)撤去F1、F2,F3^)F1、F2相等,F、F与(均选填“F”或“F”)的合力为0.MON<90^,,现改变弹簧测力计
4.高温消毒时,医生将质量和初温相同的、分别由铁材料、陶瓷材料制成的两种工具浸没在沸水中并煮足够长的一段时间,消毒结束时两工具的温度相同,已知c<c,则内能增加更多的是铁(选填“铁”或“陶瓷”)工具陶瓷
(3)实验前兴趣小组并未测量两滑块的质量,而是在实验后进行了测量。若经测量在误差允许范围内,符合A、B两滑块的质量mAmB=,即可验证碰撞中动量守恒。
