2023四川省内江市高中2023届第三次模拟考试理科综合试题答案

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2023四川省内江市高中2023届第三次模拟考试理科综合试题答案试卷答案，以下是该试卷的部分内容或者是答案亦或者啥也没有

23解:(1)当x≥2时,f(x)=x+1+x-2≤4,即x≤所以2≤x≤5当-1≤x<2时,f(x)=x+1+2-x≤4,所以-1≤x<2;当x<-1时,f(x)=-x-1+2-x≤4,即x≥所以一3≤x<-1综上所述原不等式的解集为「351.(5分)(2)因为f(x)=|x+1+|x-2|≥|(x+1)-(x2)=3,当且仅当(x+1)(x-2)≤0,即-1≤x≤2时等号成立,所以f(x)的最小值为3(7分)所以|a+2|<3,即-3

25.(1)抑制细胞有丝分裂过程中纺锤体的形成(2)秋水仙素浓度和处理时间用质量分数为0.2%的秋水仙素溶液处理1d(3)中(4)大吸收CO2(每空2分)

18.下列填入文中括号内的语句,衔接最恰当的一项是(3分)A.这种爱情心理看起来极为现实和粗鄙B.这种爱情心理有些粗鄙,看起来极为现实C.这种极为现实的爱情心理,看起来有些粗鄙D.这种看起来有些粗鄙的爱情心理,极为现实19.文中画横线的句子有语病,下列修改最恰当的一项是(3分)A.而这种因距离而导致的审美感受实际上就是瑞士心理学家布洛所说的心理距离论B.而这种因距离而引发的审美感受就是实际上瑞士心理学家布洛所说的心理距离论的体现C.而这种因距离而引发的审美感受就是实际上瑞士心理学家布洛所说的心理距离论。D.而这种因距离而引发的审美感受实际上就是瑞土心理学家布洛所说的心理距离论的体现20.在下面一段文字村

One possible versionSeveral minutes later, the ice broke suddenly and Harry's feet sank into the water. It was noep, but his legs got wet to the knees. Harry was so upset that the accident would delay hisschedule. He had to find some firewood to build a fire to dry his clothes. He pulled off his glovestook out his matches, and lighted the fire. Seeing the burning fire, he had thought he was safe. Butsuddenly, without warming, a heavy mass of snow dropped down. The flame of hope was put outUnluckily, his dog ran away and the fear of death came over Harry. He had no choice but torun to save himself. However, he did not feel his feet when they hit the ground. Having falleneveral times, he decided to rest a while. As he lay in the snow, he noticed he was not shaking. Hecould not feel his nose or fingers or feet. A feeling of horror came into his mind. It was when herealized he was going to die that he heard a bark and the noise his friends made