课时训练(三)Units1—4(七下)(限时:30分钟)Ⅰ.单项选择1.[2023·原创]Whichunderlinedletterspronouncedifferentlyfromtheothers?A.beachB.leafC.wheatD.area2.[2023·连云港连云模拟]Inaway,globalwarmingisachallengeforman,sowemustovercomeittobuildfineworld.A.the;/B.a;theC.a;/D./;a3.Mygrandparentsliveinanoldapartmentwithfloorsandtheyareonthefloor.A.fifth;threeB.fifth;thirdC.five;threeD.five;third4.[2023·孝感]Hurryup!We'relate.Idon'twanttothestartofthefilm.A.catchB.getC.missD.lose5.[2023·原创]ItisstillunknownhowAI(人工智能)thewayofourlifeaswellastheworld.A.changeB.changedC.willchangeD.waschanging6.[2023·玉林]—Arethosekeys,Jack?—No,theyaren't.They'reUncle.A.yours;S...