题干

如图所示实验操作中正确的是(  )

A:读出液体的体积

B:熄灭酒精灯

C: 称量固体质量

D: 过滤

上一题 下一题 0.0难度 选择题 更新时间:2013-01-07 08:29:29

答案(点此获取答案解析)

B

同类题1

七选五阅读,根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项多余选项。

Making Peace with Your Parents

    As a teen, you are going through big changes physically and mentally. Your interests are expanding(增加;扩大) ____.

    Here is the challenge: Kids need to explore the world in new ways, and parents need to protect them from the dangers that are all out in that world. These conflicts(冲突)can easily set off fireworks in otherwise calm house. Sometimes conflicts can't be avoided. But by paying attention to the building blocks of successful relationships, you can work towards making home a happy and healthy place for you and your parents.

    For instance, try to find a time to talk when your parents are not angry, tired, distracted , or hungry. A good time to talk is when you are all relaxed. Timing is everything. If the conversation begins to turn into an argument, you'd better calmly and coolly ask to stop the conversation----for now. ____ Listen to what your parents are saying, and repeat it back to them. This shows them that you're listening. ____.

    Respect is the building block of good communication. People who respect each other and care about each other's feelings can disagree without getting things ugly.

     ____How do you build trust? Trust comes by actually doing what you say you're going to do. Some teens find that doing fun activities with their parents can improve their relationships. Sometimes we forget that parents are more than rule-makers----they're interesting people who like to watch movies and go shopping----just like their teenagers!

    What do you do if you are trying your best, but your relationship with your parents continues to be rocky(难以维持的;不稳定的)? ____You can find supportive adults, such as a teacher or a coach, who can lead an ear.

    Remember you can only change your own behavior. Your parents are the only ones who can change theirs.

A. It also gives them a chance to clear things up if you're not on the same page.

B. You can pick it up again when everyone's more relaxed.

C. And then you will be able to accept what your parents say.

D. Faced with the challenge, children don't know what to do.

E. You are more likely to get along with your parents and have more independence if your parents believe in you.

F. And your desire to take control of your own life is growing.

G. You may consider seeking outside help.

同类题2

阅读材料,回答问题。

 材料一:20世纪90年代以来,经济全球化趋势进一步加强。经济全球化是社会生产力和科学技术发展的客观要求和必然结果。跨国公司有力地促进了世界经济的发展和全球化进程。                                                             

                ——川教版《世界历史》九年级下册

 材料二:美国的波音公司是世界上最大的飞机制造公司。波音公司的总部在美国的西雅图市,波音公司在美国有自己的总装厂和一些主要部件的生产厂和研发中心。但是,一架设备先进的飞机由许许多多的零部件组成,为了能以最低的成本得到质量最好的零部件,波音公司在全世界范围内组织零部件生产厂,如波音757—200的发动机就由英国工厂制造。中国的工厂也为波音飞机生产部分重要配件……

     ——人教版《世界历史》九年级下册

材料三:发达国家与发展中国家人均国内生产总值的差距,由1983年的43倍,扩大到目前的60多倍。

  ——中图版《世界历史》九年级下册

材料四:中国加入世界贸易组织不仅使自己从中得益,而且为世界经济贸易的发展作出了自己的贡献。

                    ——温家宝

材料五:全球化是发达国家用来打开发展中国家市场的“敲门砖”,是新殖民主义的一种形式,因此发展中国家应该团结起来,抵制全球化。

   ——江时学《发展中国家怎么办——拉美国家的实践》