设函数f(χ)＝lnsinχ，则df(χ)＝ ( )
Ashipwasreported______offtheeastcoastofKenyainFebruary,2018.
Yourproductswouldn'thavesoldsowellbutforalotofadvertisementsweputonthetelevision.
求极限．
Iwantedtopayforthecoffee,butIfoundthatallIhadwasacoupleof______coins.
Astaycationreferstoaperiodinwhichanindividualorafamilystaysathomeforrelaxingortakestripstonearbytouristattractions.Therearevariousreasonsforpeopletotakeastaycation,liketightfamilybudgets,risingtravelcostsorhavingveryyoungkids.ForthemajorityofChinesepeople,overcrowdedtouristsites,congestiononexpresswaysandcityroadsduringholidaysarethetwomajorfactorscontributingtotheirstaycations.Commonactivitiesofastaycationincludeentertainingfriendsathome,visitinglocalparksandmuseums,andattendinglocalfestivalcelebrations.Astaycationcanberichandcolorful,anditwillbecomeanewtrendforvacation.
设y=ln
没法知道他会去多久。
简述领导的作用。
Theworkseemedeasyatfirst,butit______tobequitedifficult.
It'stoolatetogoout.______,it'sgoingtorain.
设z=，则dz=()
某企业2008年5月1日销售产品一批给A公司，专用发票上注明的销售收入为500000元，增值税85000元。收到A公司交来的商业承兑汇票一张，期限为6个月，票面利率为5％。要求：编制收到汇票和到期收回票款的会计分录(假定该中期期末不计算应收票据的利息)。
He______somebodycreepingintothehousethroughtheopenwindowlastnight.
不顾恩义，畔主背亲。《苏武传》
欲先民，必以身后之。
求微分方程y′－y－χ2＝0的通解．
如何促进学生对知识的理解?
我国古代道家和儒家的思想核心分别为______
Allthewhilehewasterrifiedbythefear______hehadcancerofthestomach.