绝缘油铜金属含量测量用的精密天平：感量万分之一。精度（）g。 A.0.0001 B.

Here are some tips on listening. We hope it can help you in one way or another.

●Relax yourself.

Before you start to listen to something, You need to relax.

1                                           This will help you with your listening.

●Listen carefully to the first sentence.

2                                          For example, if eyou hear“Many shops in many parts of China have decided to take away all kinds of Japanese goods off their shelves, but some people say it’s not a good idea. Our reporter says…”,you know you will hear a piece of news, not a children’s story or a science report.

●Think when you’re listening.

3                                           For example, you can think of the following questions: What happened? When , where and how? What was the result and what does the speaker want to tell us? In this way, you may undersrand the passage better.

●Listen for important facts.

4                                             For example, if the passage is a science report, you should try to remember its findings , and how the scientists got their results. 

●Don’t think about one or two words for too long.

You may hear some words that you don’t know. But don’t spend too much time on them.

5                                          But you can remember some words or sentences that you think are important, and you can use them when you’re answering the questions.

（1）课本介绍了乙醇氧化的实验：把一端弯成螺旋状的铜丝放在酒精灯外焰加热，待铜丝表面变黑后立即把它插入盛有约2mL乙醇的试管里，反复操作几次．注意闻生成物的气味，并观察铜丝表面的变化．

某同学用化学方法替代“闻生成物的气味”来说明生成物的出现，该化学方法中所另加的试剂是①______及出现的主要现象是②______．（用所学的知 识回答）写出相应的化学方程式③______

（2）配制银氨溶液时，把氨水滴入硝酸银溶液的操作关键是______

（3）在澄清的苯酚钠溶液中通入CO₂气体，溶液浑浊，其反应方程式是______．

从20世纪90年代开始，某市民营经济在发展过程中出现了一些问题，政府开始更多地考虑“有为”，如出台保护民营经济的法规和政策、大力打击假冒伪劣产品以维护该市商誉、通过总体规划引导民营产业合理布局等。这表明（）。

A.社会主义经济必须以国家宏观调控为基础

B.民营经济的健康发展离不开国家的支持、规范与引导

C.整顿和规范市场经济秩序是政府主要的经济职能

D.必须毫不动摇地巩固公有制的主体地位

下列哪些行为不构成医疗责任事故罪( )

A．医生赵某因急于下班，对患者丁某未认真检查即说没有问题，让丁回家休息，造成丁某病情恶化，导致双耳失聪

B．药剂师钱某在配药时心不在焉，错将应当给秦某的药给了铁某，幸亏当时被铁某发现，否则将造成十分严重的后果

C．护士孙某在护理监护室的病人时，因接听一个电话达40分钟，造成危重病人仲某严重缺氧，虽经抢救脱离生命危险，但已成为植物人

D．个体医生马某在给胡某拔牙时，使用的钳子未经消毒，造成胡某创口感染而引起败血症，6个月后死亡

患儿，3岁，急性上呼吸道感染，体温39.5℃，因全身抽搐就诊。为明确抽搐原因，在收集患儿健康史时应重点询问（）

A.喂养史

B.生长史

C.既往发作史

D.过敏史

E.药物史