吕梁市2021-2022学年度高三年级第一次模拟考试英语答案

吕梁市2021-2022学年度高三年级第一次模拟考试英语答案，目前我们趣对答案已经整理了吕梁市2021-2022学年度高三年级第一次模拟考试英语答案的各科答案和试卷，更多试卷答案请关注本趣对答案。

19.(15分)(1)(酚)羟基、羧基(2分)(2)4羟基苯甲醛(或对羟基苯甲醛)(2分)15(2分)(3还原反应(1分)OH+CH3 Cl+HOKo→OH+KC+H2O(3分)CH3OCH34)23分)HCoO<>cH3(或CH3CH3HCOOCH3)(2分)CH3【解析】(1)B中含氧官能团的名称为(酚)羟基、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,形成一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CH3CH3HCOOCH3、HCOOCH3。CH3CH3

第三节One possibleversionParagraph 1He was determined to protect the flowers. So he built ahigh wall around them. Not feeling satisfied, he even setup rules as to who could enter the garden, how they mustenter,and what they must follow while they were there.Asa result, children were forbidden to enter and appreciatethe flowers as before. For his part, he continued to see to itthat his treasure received enough sunlight and water so thatthe flowers continued to perform their wonderful magicParagraph 2Hethe flowers seemed to fade day by day,so theman went everywhere for help. He visited every expert, onlyto find his efforts in vain. He felt on pins and needles, see-ing his beloved flowers dying. One evening, he was wan-dering on the street aimlessly when he suddenly noticed theflower woman on the same spot where he had met her, giving away her amazing flowers. It finally dawned on him thatthe flowers are gifts not passessions and that only by sharingcan the magic remain and last