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33.(1)CDE[文]温度是分子平均动能[章]的标志,气体的温度[来]变化时,其分子平均[自]动能发生变化,而分[知]子势能取决于分子间[嘛]距,A错。当分子间[答]的引力和斥力平衡时[案],分子位于平衡位置[网],分子势能最小,B[文]错,液体表面层分子[章]间距离大于液体内部[来]分子间距离,故液体[自]表面存在张力,C对[知]气体分子单位时间内[嘛]与器壁单位面积碰撞[答]的次数,决定气体的[案]压强,因此与单位体[网]积内分子数和气体的[文]温度有关D对,布朗[章]运动是悬浮在液体中[来]固体颗粒的无规则运[自]动,E正确(41)[知]aHm06=14里[嘛]上号温堕9D辈屏*[答](2)因右管水银面[案]升高的高度10cm[网]<12cm,[文]故b空气柱仍在水平[章]直管内状态a、b两[来]部分空气柱的压强:[自]p2=100cmH[知]g(1分)没末状态[嘛]a、b两部分空气柱[答]的长度分别为La、[案]LM对a部分空气柱[网],根据玻意耳定律:[文]户1LS=p2La[章]S(2分)(43)[来]S13d=SW14[自]事直器谢‘与骤9A[知]代入数据解得:La[嘛]-9 cm管所注入的水银[答]柱长度:L=2h+[案](Ln+L)-(L[网]a+La2)(2分[文])代入数据解得:L[章]=21.5cm(2[来]分)
书面表达One possible version:N[自]OTICEA sports meeting will be held in the playgroun[知]d of our school from next Thursday to FridayAs you know, the pressure of study is very heavy now, especiall[嘛]y for those senior 3. So the purpose of the sports meeting is to letevery student get relaxed, as a result of which we students can live happily and heal thilyEver[答]yone is welcome to take part in it. Those who perform excellent[案]ly at the sports meeting will get prizes. But don' t take theresult[网]s so serously because taking part is more important[文] than the result. Good luck to everyone![章]
