3.(25分)(1)(酚)羟基、羧基(3分)(2)4羟基苯甲醛(或对羟基苯甲醛)(3分)15(4分)(3)还原反应(2分)OH+CH3Cl+HOKOHOH+KC+H2O(5分)CH3OCH3(4)22(4分)HCOOCH3(或CH3CH3HCOO-CH3)(4分)CH【解析】(1)B中含氧官能团的名称为(酚》务盐羧基。(2)A的名称为4-羟基苯甲醛或对羟基苯甲醛;苯环是平面结构,单键可旋转,A分子中所有原子可能共平面。(3)B→C属于还原反应;C中酚羟基上的氢原子被甲基取代生成D。(4)满足条件的同分异构体属于甲酸酯且属于酚酯,即苯环上连有HCOO-;若其他3个碳原子在同一取代基上,形成—CH2CH2CH3或一CH(CH3)2,有6种结构;若其他3个碳原子在两个取代基上,形成1个甲基和1个乙基,有10种结构;若其他3个碳原子在三个取代基上,形成3个甲基,有6种结构;综上,共有22种。其中核磁共振氢谱有4组峰,且峰面积之比为1:2:3:6的同分异构体的结构简式为CH3CH3HCOO-CH3、HCOOCH3。CH3CH3

第二节One possible versionDiamond hurriedly ran to the bird. Approaching thebird. he ran around themelt the bird. and thenbarked at his master. Gunnar understood the boy was asking him to help the bird. So, he picked it up gently. Aftercareful examination, Gunnar told his boy that Bibi didn'tlf indoors Considering that the bird wasn't wellgH to leave, he put him back in the basket, with andded bite of sweet potato as well. He decided to set himfree the next day, when he would be fully recoveredAfter Bibi s recovery, Gunnar placed him back out onthe balcony. Suddenly, the bird started to sing, as if hewere expressing thanks to Diamond. Then he spread hiswings,flying away. A while after the bird had gone, Isaid to Diamond: Where is Bibi?'"recalled GunnarHe looked at me, very sharply, then jumped on the sofaand ran directly to the balcony door. He knew exactly whatI was talking about.

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