2022届河北金太阳高三3月联考（22-01-321c）答案

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Li Hu第二节(满分25分)Green realized it was an emergency. Mary might faint at any time. If she couldnt receivetimely help, she would suffer severe brain damage, or even die, which would definitely scare hertwo grandchildren. Concerned that she was in such a critical situation where every minute countedfor her life, he immediately called the hospital to find her an ambulance. After being informed ofwhat was going on, two teachers dropped everything without delay, climbed into Greens car andset off. (75 words)When Green and the other two teachers reached the family's home less than ten minutes later,seeing what was happening, they sighed in relief. Everything was well in order. The doctors weregiving first aid to Mary, pressing on her chest. The two kids looked visibly shaken, close to tearsBeside them stood Julia, holding them in her arms and comforting them. Fortunately enough, thequick response from Julia and Green saved Marys life. When she came to herself, she was lifted tothe ambulance and rushed to the hospital. Everybodys face brightened up as the ambulance fadedaway. (75 words

33.(1)CDE(5分)解析:高压密闭的钢罐中的油沿筒壁溢出,说明分子间有间隙,是外力作用的结果,不是钢分子对油分子的斥力作用故A错误;当物体温度降低时,物体内所有分子的平均动能一定变小,但不是每个分子的速率都变小,故B错误;一般固体难以被拉伸,是分子间存在引力的作用,故C正确;当物体温度升高时,物体分子的平均动能一定变大,故气体分子的平均速率一定变大,故D正确;在一定质量的氧气中,100℃时的氧气分子平均动能大于0℃时氧气分子的平均动能,故100℃时的氧气分子平均速率大于0℃时氧气分子的平均速率,所以100℃的氧气速率大的分子所占比例比0℃时多,故E正确(2)解:①活塞刚离开卡口时,对活塞mg+pS=p1S(2分)得p=p0+m(1分)②两侧气体体积不变,对右管气体会=会(2分)得T1=T。(1+-5)(1分)③温度升高到T两管液面高度差为L时,左管内气体,=L+号=号L(1分户2=p1+pgL=p+2E+pgL.(1分)应用理想气体状态方程LS=BS(1分)得T:=2(A+mg+PgL)(1分)2Po