不宜用作嵌体修复的材料是A.烤瓷 B.自凝塑料 C.复合树脂 D.铸造陶瓷 E.金属

题型:单项选择题

问题:

不宜用作嵌体修复的材料是

A.烤瓷

B.自凝塑料

C.复合树脂

D.铸造陶瓷

E.金属

考点:口腔执业医师口腔执业医师90
题型:单项选择题

对右肠系膜窦的描述,正确的是()。

A.略呈斜方形

B.上界为横结肠及其系膜的左1/3

C.左侧界为肠系膜根

D.右侧界为降结肠

E.窦内感染时易蔓延入盆腔

题型:单项选择题

一个诚实守信的人应该做到()。

A.按领导与长辈的要求去做

B.开阔胸襟,培养高尚的人格

C.正确对待利益问题

D.言行一致

题型:单项选择题

Internet dating has become one of the biggest and most successful business ventures on the Internet.Basically, Internet dating is a way to meet people for either friendship or dating without actually having to meet them in person first.

The first thing to do it you decide to try Internet dating is to build your profile (简介) which can include your hobbies, hopes for the future, and so on.A photograph is optional, but many sites claim that a photograph increases the number of people who look at your profile.Many Internet dating sites will charge a one-lime registration fee to use their services.

Internet dating makes it possible to meet people from all over the world.You can even narrow the search down to your area by zip code.Another advantage is that you can communicate by e-mail before you meet in person.Thousands of people have met, fallen in love, and married through Internet dating.It is an excellent way for shy people to meet.It is also a way for people with busy lives to connect with others, and an easy way to meet people who share your interests.

Just as in traditional dating and love, there are some pitfalls to be aware of in Internet dating.The person you have been talking to on the Net may not be who they say they are, Be very aware that there are some people who misrepresent their appearance or private details, such as marital status, income, and so on, for their own reasons.It would not be the first time that someone has been taken in, and talk shows are full of cheating partners who have been caught dating over the Internet in their spare time.Nevertheless, taking a few simple precautions should help ensure that your Internet dating experience is fun.

小题1:The purpose of writing the passage is to _____.

A.persuade readers to go dating on the Internet

B.inform us how to date on the Internet

C.warn readers against web love

D.introduce Internet dating to us小题2:Which of the following is a must to make an Internet dating possible?

A.A photo.

B.A profile.

C.Money.

D.Business experience.小题3:One advantage of Internet dating is that _____.

A.you can avoid a face-to-face meeting in the beginning

B.you’re sure to find a partner with the same interests

C.you’ll find absolutely dependable information of others

D.you’ll gain fame and money overnight小题4:What is probably talked about following the last paragraph?

A.Traditional dating.

B.Hidden advantages.

C.Safety measures.

D.Romantic love.小题5:The underlined word "pitfalls" in Paragraph  4 most probably means ______

A.rules

B.trends

C.problems

D.skills

题型:单项选择题

“三效催化转换器”可将汽车尾气中的有害气体处理为无污染的气体,如图为该反应的微观示意图,其中不同颜色的球代表不同种原子.下列说法不正确的是(  )

A.乙和丙中所含元素种类相同

B.甲和丁中同种元素化合价不相等

C.丙物质是化合物

D.反应方程式中乙、丁的化学计量数均为一

题型:单项选择题

激素治疗颅内压增高的机制()

A.改善毛细血管通透性

B.减少脑组织中水分

C.防止脑水肿

D.降低脑组织代谢

E.只有A.B.C.正确

更多题库