默写题：默写古诗《赠汪伦》。 __________________，____________

题型：实验题

洗车安全气囊是行车安全的重要保障。当车辆发生碰撞的瞬间，安全装置通电点火使其中的粉末分解释放出大量的氮气形成气囊，从而保护司机及乘客免受伤害。为研究安全气囊工作的化学原理，取安全装置中的粉末进行实验。经组成分析，确定该粉末仅含Na、Fe、N、O四种元素。水溶性试验表明，固体粉末部分溶解。经检测，可溶物为化合物甲；不溶物为红棕色固体，可溶于盐酸。

取13.0g化合物甲，加热使其完全分解，生成氮气和单质乙，生成的氮气折合成标准状况下的体积为6.72L。单质乙在高温隔绝空气的条件下与不溶物红棕色粉末反应生成化合物丙和另外一种单质。化合物丙置于空气中可转化为可溶性盐和一种气态单质。

请回答下列问题：

（1）甲的化学式为，丙的电子式为。

（2）若丙在空气中转化为碳酸氢盐，则反应的化学方程式为；

将该碳酸氢盐溶于水配成溶液，则溶液中各离子浓度大小关系为：。

（3）单质乙与红棕色粉末发生反应的化学方程式为，安全气囊中红棕色粉末的作用是。

（4）以下物质中，有可能作为安全气囊中红棕色粉末替代品的是。

A．KCl

B．KNO₃

C．Na₂S

D．CuO

查看答案

题型：完形填空

My first job was at a local restaurant, where I worked for seven years and learned so many lessons, especially from a fellow   36 .
Helen was in her 30s and had extraordinary（非凡的） self-confidence, something I was really 37 . I looked up to Helen 38 she was doing what she loved— 39 people better. She always made everyone, customers and co-workers（同事） 40 and feel good.
Being a waitress changed my life. One of my 41 customers was Fred Hasbrook. He always ate an omelet, and when I saw him _42 , I tried to have it on his table as soon as he sat down.
Thanks to the new found confidence I 43 __from Helen, I dreamed of having my own __44 . But when I called my parents to ask for a loan（贷款）, they said, “We just don’t have the money.”
The next day, Fred saw me and asked, “What’s   45  ? You’re not smiling today.” I 46__my dream with him and said, “Fred, I know I can do more if somebody 47 just have faith in(信任）me.”
Before long he handed me checks 48 __$50,000—along with a note that I have to this day. It reads, “The only collateral（抵押品）on this loan is my trust in your 49 as a person. Good people with a dream should have   50 __to make that dream come true.”
I took the checks to Merrill Lynch, where the money was provided for me. I 51 working at the restaurant, making 52 for the restaurant I would open. My plans soured（破灭）, and I lost the 53 .
Later I decided to apply for a job at Merill Lynch. Even though I had no experience, I was__54 and ended up becoming a pretty good agent.   55 ，I paid back Fred the $50,000, plus 14-percent annual interest. Five years later, I was able to open my own firm.

查看答案

题型：判断题

某公司进口了一批铜废碎料，根据国家现行规定，该公司在办理进口报关手续时，必须向海关递交由国家环境保护总局签发的“废物进口许可证”。 ( )

查看答案

题型：完形填空

写作(共两节，满分40分)
第一节基础写作 (共1小题，满分15分)
你很荣幸地成为2008北京奥运会的一名志愿者，负责编写奥运比赛项目的英语介绍。
[写作内容]
请根据以下中文提纲，编写射击项目的英语介绍：

背景：射击最初只是生存工具，19世纪末才发展成为一项体育运动。
1896：第一次成为奥运项目
1904：中断
1928：中断
1932：重回奥运会
1968：第一次允许妇女参加奥运射击比赛
现状：稳步发展，1896奥运会只有三项射击项目，现今有17项。

[写作要求]
只能使用5个句子表达全部内容
[评分标准]
句子结构准确，信息内容完整，篇章结构连贯。
重点词汇：shooting survival tools Olympic event develop steadily

查看答案

题型：单项选择题共用题干题

男孩，8岁，因发热2天伴呕吐1天、抽搐1次入院。体检：精神萎靡明显，面色难看，颈强直阳性，心肺无异常，克氏征（+）及布氏征（+），右大腿外侧发现一疖肿。脑脊液外观混浊，白细胞数2000×10／L，多核细胞0．90，糖1．68mmol／L，蛋白1．3／L，氯化物118mmol／L。诊断为化脓性脑膜炎。

在得到细菌药敏结果前，应选用的主要抗生素是（）

A.青霉素

B.苯唑西林

C.阿米卡星

D.氨苄西林

E.氯霉素

查看答案

默写古诗《赠汪伦》。 ______，

题目：

答案：