第4题:[单选题] 普通的单相半控桥可整流装置中一共用了(____)晶闸管。 A. 1只 B. 2只 C. 3只 D. 4只 参考答案:A
第5题: [单项选择]关于UOMCB后台提供的数据版本升级功能，以下说法错误的有（） A. 数据版本升级用于跨大版本升级时将后台已配置数据升级到新版本的数据表结构，与前台适配 B. 跨大版本升级失败后需要回退时，可以通过数据版本升级功能进行数据库表结构回退 C. 后台可以批量对多个网元同时进行批量数据版本升级 D. 进行数据版本升级后，版本管理中对应的版本管理网元也切换为新的大版本 参考答案:B
第13题: [简答题]请设计一节课的教案，达到以下目的： 1．学生能够听说读写关于餐桌礼仪的话题。 2．培养学生运用英语的能力。 3．引导学生理解不同地域的文化差异。 参考答案:Teaching plan(one possible version)： Step 1：Warming up 1．The teacher tells a story of a Chinese at a Western dinner party who made a fool of himself due to the lack of cultural background．The story is：Once a Chinese was invited to an American dinner party．When he saw the napkin on the table，he tied it around his neck just as Chinese parents do to their children when they’re fed．As a result，he made a fool of himself． 2．The teacher then presents the tools on the table and shows how to put these knives and forks and how to use them．Then ask one student to imitate him． 3．Judge these manners．Which are good and which are bad ◇Can you speak with your mouth full ◇Can you use your}land to take food from the plate ◇Is it polite to touch the glasses when you toast ◇Is it polite to persuade others to drink up after toasting 4．Do Pre-reading．and discuss in groups．
Situations
Rules for being polite in Chinese culture
At a dinner party
Greeting your teacher
Receiving a birthday present
Paying a visit to a friend’s house
Ask three students to finish this table． Step 2：Reading 1．Students do scanning for Exercise 2(3 minutes for scanning)．In what order will the following dishes be served at a Western dinner party Dessert；drink；main course；starter soup． Summarize the main idea of every paragraph． 2．With the following questions，listen to the tape and read carefully． (1)Instead of a hot，damp cloth，napkin is often seen at the Chinese dinner party nowadays． What sign do you think it implies How can you use it (2)What do soft drinks refer to Is white or red wine a soft drink (3)Do people say anything or keep silent when drinking to one’s health or drinking a toast What do you usually do if you drink a toast Ask some students to answer these questions． Homework： Preview new words and grammar．
第31题: [单项选择]《联合国国际货物销售合同公约》的适用对象主要包括： A. 缔约国中营业地分处不同国家的当事人之间的货物买卖 B. 国籍分属不同缔约国的当事人之间的货物买卖 C. 缔约国中注册登记地分处不同国家的当事人之间的货物买卖 D. 以上三项的总和 参考答案:A 答案解析:[解析] 《联合国国际货物销售合同公约》适用对象。 [解析] 根据《联合国国际货物销售合同公约》第1条规定：“本公约适用于营业地在不同国家的当事人之间所订立的货物销售合同，如果这些国家是缔约国，
