2022英语周报第10期北师大答案

书面表达Dear Sir or MadamI am Li Hus, an exchenge student from China. Wanting to get a library card in your library.(背景2分)1 am writing to ask for some relvant information.(目的3分)to begin with, could you please tell me what kind of books can beborrowed?(要点一6分) besides, I would be very interested to ksomething about borrowing system, including how long I can keep thebooks, how many books I can borrow once, and how much I should pay(要点二6分)L8 t but not least, I also wonder when and where I canmake it.(要点三6分)a中aThanks for your ime and I would appreciate it if you can give an earlreply.(表感谢+期回复2分)1量里的0+Yoour sincere.yLi H点国惊口人国文

37.[生物一选修1:生物技术实践](15分(1)霉变的玉米或粮食(2分)(2)豆否素(1分):涂布器(无菌玻璃刮)(1分):形成固体培养基,形成菌落(2分(3)准备含有等量黄由霉素的液体培养基若干瓶,将挑取不同菌落放置在不同的瓶子中,段时间后,测量剩余黄曲霉素的量(4分)(4)++(3分);④大于⑤(2分)

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