问题 单项选择题 A1/A2型题

以下哪一种水门汀有遇水凝固加快的特点()

A.氧化锌丁香酚水门汀

B.磷酸锌水门汀

C.玻璃离子水门汀

D.聚羧酸锌水门汀

E.氢氧化钙水门汀

答案

参考答案:A

解析:氧化锌丁香酚水门汀的凝固反应必须在有永存在下才能顺利进行,水分越多凝固越快。调和物中含水2%在1天后固化,含水5%可在15分钟内凝固。临床使用时,不必将组织面完全干燥,适当的湿度会有利于水门汀的固化,故可用小棉球蘸水加压成形。

填空题
阅读理解

阅读理解。

     Healthy relationships are fun and make you feel good about yourself. The relationships that you make in

your teenage years will be a special part of your life. They will teach you some of the most important lessons

about who you are. This may help you understand different kinds of relationships, what makes each

relationship special, and how to communicate in a positive way.

     What makes a relationship healthy?

     _____: The most important part of any healthy relationship between two people is being able to talk and

listen to each other. You and the other person can find out what your common interests are. You can share

your feelings with the other person and trust that he or she will be there to listen to you and support you. In

healthy relationships, people don't lie. Communication is based on honesty and trust. By listening carefully and

sharing your thoughts and feelings with other people, you show them that they play an important part in your

life.

     Respect and Trust: In healthy relationships, you learn to respect and trust important people in your life.

Disagreements may still happen, but you learn to stay calm and talk about how you feel. Talking calmly helps

you to understand the real reason for not getting along. It makes it much easier to figure out how to deal with

it. In healthy relationships, working through disagreements often makes the relationship stronger. In healthy

relationships, people respect each other for who they are. This includes respecting and listening to yourself and

your feelings so you can set boundaries (设限) and feel comfortable. You will find that you learn to understand

experiences and feelings of others as well as having them understand your experiences and feelings.

1. To have a healthy relationship, you shouldn't _____. [ ]

A. talk and listen to each other

B. have common interests

C. disagree and quarrel with each other

D. take as much as you give

2. When disagreements happen, you need to learn to stay calm because _____. [ ]

A. talking calmly helps you to understand the real season for not getting along

B. talking calmly makes it much easier to figure out how to fix them

C. working through disagreements often makes the relationship stronger

D. all of the above

3. What is suitable for the blank of Paragraph 3? [ ]

A. Help Your Friends

B. Honesty and Trust

C. Communication and Sharing

D. Do Tell the Truth

4. What is the best title for the passage? [ ]

A. Healthy Relationship

B. How to communicate

C. A Guide for Teens

D. Advice on Healthy Relationship