2022英语周报高二外研提升版答案

第四部分写作第一节Dear Jack,Welcome to our school to study as an exchange studentAs for how to borrow books from the school libraryyou need to have your student ID card and present it to thelibrarian, who can register for you. Then you can go to thebookshelves to look for what you need. You can borrow 2books once and keep them for a week in order that you canhave enough time to finish reading them. If you haventread the book through, you can renew it. You' ll have topay for it if you get the book damaged or lost.hope all this can be of help to you. For morenformation, don,t hesitate to ask meLi Hua

36.[化学一选修5:有机化学基础(除特殊标注外,每空2分,共15分)CH=CHCOOH(1)苯丙炔酸乙酯(1分)碳碳双键、酯基(2)加成反应(1分)乙醇、浓硫酸、加热COOKB1cooh(3) 3KOH CH3OH_2KBr 3H,OBrO cOOOOOOOO(任写其中一个,合理即可)COOHCoocHCOOCH(5)K2Cr2O7/HC2H3OH,浓H2SOHNO2NONONH?(3分,合理即可)

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