书面表达。

      假设你叫李玲，你在英国的笔友 Nancy 对中国的节日怀有浓厚的兴趣，她希望你能

帮助她更多地了解这方面的知识。请根据所给的提示词汇给她写一封60-70 词左右的信，

向她介绍中国最重要的节日 — 春节。信的开头和结尾已给出，不计入总词数。

      提示词：Chunlian  春联   relatives and friends 亲朋好友    set off firecrackers 放鞭炮    

                     dragon and lion dances 舞龙狮    

Dear Nancy,

     How's everything going with you?

     You want to learn more about Chinese festivals, right? I'd like to tell you something about the most

important Chinese festival — Spring Festival.

____________________________________________________________________________

____________________________________________________________________________

     Do you think this festival is interesting? Welcome to China to spend Spring Festival with us.

     Best wishes!

                                                                                                                          Yours,

                                                                                                                                Li Ling

一犬因腹泻脱水，某兽医门诊实习生误给病犬静脉输入过量注射用水，引起其尿量增多，分析该犬尿量增多的生理机制是( )。

A．囊内压下降

B．肾血流量下降

C．血浆胶体渗透压下降

D．血浆晶体渗透压下降

E．肾小球毛细血管血压下降