第16题: [简答题]请设计一个教案，达到以下目的。
1．能听懂、会说、会读单词：blow out，a candle，a costume，a doorbell，take off．
2．能听懂、会说、会读和会写句型：When’s your birthdayMy birthday’s on…What would
you like as a birthday presentI’d like．．．
3．培养学生运用英语的能力。
参考答案:Teaching Plan(one possible version)
教学准备：
PPT。paper，pencil，crayons
教学过程：
一．Free talk
1．Hi．boys and girls．Do you know me(打扮成肯德基员工)I’m a waitress in KFC (与学生打招呼)Welcome to KFC．Nice to meet you．Do you like singingS：Yes．T：Let’s sing asong：The months．
2．T：Now，I have some questions for you．If you Call answer them correctly，you Call get astar．If you get the most stars you can get a big hamburger．Let’s try our best OK
二．Review
1．出现一个月份，教师指着朗读，然后让学生们一起朗读。出现日期如：一月一日，二月三日，三月十二日……
2．T：What date is it todayS：It is…T：Today is my birthday．My birthday is on…
When is your birthday(提问几个学生。)T：what would you like as a birthday present(提问几个学生。)T：You are all good students．Do you like to go to KFCS：Yes．T：Very good!1 wantto hold birthday parties for you．So would you please finish this table First I’ll give you an example
(老师介绍表格情况。)
3．学生活动：Can you introduce your sheet(学生介绍：)…’s birthday is Oil…He would like…as a birthday present．
三．Presentation
1．Thank you．boys and girls．You all did well．Now let’s have a rest．Let’s listen to the tape OK
(1)Teach：doorbell，costume，candle，blow out，take off．
(2)Read after the tape．
(3)Read together．
2．Write the correct letters in the boxes．
3．Check it out．
4．Read the dialogue．
四．Practice
1．T：We can buy many birthday presents for our friends．But I think if we can make a present for them．it，S better．Now let’s learn how to make a card．OK
2．Show the four pictures and let the students discuss in groups．
3．Explain the steps。
4．Make the cards．
五．Assignment
Recite and act the dialogue．
板书设计：
Unit 2 Ben’s birthday
When’s your birthday
My birthday’s on…
What would you like as a birthday present
I’d like
第17题: [多项选择]下列哪些是条件致病菌致病的因素（） A. 菌群失调 B. 全身免疫功能低下 C. 局部免疫功能低下 D. 寄生部位改变 E. 药物治疗 参考答案:A, B, C, D 答案解析:条件致病菌，的致病条件：（1）定居部位改变，某些细菌离开正常寄居部位，进入其他部位，脱离原来的制约因素而生长繁殖，进而感染致病。（2）机体免疫功能低下，正常菌群进入组织或血液。（3）菌群失调。
