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[考试复习题库精编合集]考点跟踪训练22 九年级 Units10—12[考试复习题库精编合集]考点跟踪训练22 九年级 Units10—12PAGE1/NUMPAGES1[考试复习题库精编合集]考点跟踪训练22 九年级 Units10—121、【单选题】WhywerethesyntheticballsexpectedtobeusedinNBAaccordingtothetext?[3分]A、Becausetheyareeasiertocontrol.B、Becausetheywastelessmaterial.C、Becausetheylookexactlyalike.D、Becausetheyfeelandbouncealike.答案:D;2、【单选题】[2分]A、givenB、makingC、callingD、telling答案:C;3、【单选题】Theballiseasiertoholdonto________.[3分]A、whenfrictionisgreaterB、whenfrictionislessC、whenitisheavierD、whenitbouncesstrangely答案:A;4、【单选题】Bonnielooksverysmartandisalways________pinkbecausepinkisherfavoritecolor.[2分]A、withB、onC、aboutD、in答案:D;5、【单选题】[2分]A、againstB、betweenC、besideD、with答案:B;6、【单选题】Thesyntheticballbouncesdifferentlyfromtheleatheronemainlybecause________.[3分]A、itiswetB、itisdryC、there’salogoonitD、itsweightrem