直丝弓矫治器结合 * * 导板矫治深覆牙合,缩短治疗时间的机制是A.有效快速打开咬合 B.

题型:单项选择题

问题:

直丝弓矫治器结合 * * 导板矫治深覆牙合,缩短治疗时间的机制是

A.有效快速打开咬合

B.速关闭拔牙间隙

C.增加后牙支抗

D.利于尖牙远中移动

E.能建立良好的牙合关系

考点:口腔五官科主治医师口腔医学主治医师口腔正畸学(三)
题型:单项选择题

软脚

题型:单项选择题

阅读理解

     While I was waiting outside my wife's office building for her to get out of work.I saw a bum (流浪乞丐) coming my way.

     "I hope he won't ask me for any money, " I thought.

     He came and sat in front of the bus stop.After a few minutes he spoke."That's a very pretty car, " he

said.He was in rags, but he had an air of dignity (尊严) about him.

     I gave him a smile and continued cleaning my car.

     He sat there quietly as I worked.The expected asking for money never came.As the silence between

us widened, it seemed that a voice inside me said, "Ask him if he needs any help."

     "Do you need any help?" I asked.

     He answered in three simple but meaningful words that I shall never forget.We  often look for wisdom

in great men and women, and we expect it from those of higher learning and achievements.I expected

nothing but an outstretched (伸出的) dirty hand from him, but he said three words that shook me.

     "Don't we all?" he said.

     I_was_feeling_high, successful_and_important_above_a_bum_in_the_street, until those three words

hit me like a shot.

     Don't we all?

     I needed help.Maybe not for a bus fare or for a place to sleep, but I needed help.I reached in my

wallet and gave him not only enough for a bus fare, but enough to get a warm meal and shelter for the

day.Those three little words still ring true.No matter how much you have, you need help, too.No matter

how little you have, no matter how loaded you are with problems, even without money or a place to

sleep, you can give help.

     Maybe God looked down, called an angel, dressed him like a bum, and then said, "Go to that man

cleaning the car.That man needs help."

     Don't we all?

1. The writer was near the bus stop________.

A. to meet the bum  

B. to wait for his wife

C. to wait for a bus  

D. to clean his car

2. At the sight of the bum, the writer________.

A. asked him if he needed any help

B. hoped to give the bum some money

C. wished the bum not to ask him for money

D. pretended to be cleaning his car

3. The underlined part in the passage means "________".

A. I thought I'm better in any way than the bum

B. I felt the bum is as good in some ways as I am

C. I felt I liked the bum very much

D. I thought I should respect the bum

4. What does the story mainly tell us?

A. Those who are poor are in greater need of help.

B. Anybody should give help to others.

C. Poor as a man may be, he has dignity.

D. Whatever we are, we need help.

题型:单项选择题

子宫肌层的正常回声为()。

A.实质均质结构

B.囊性均质结构

C.实质不均质结构

D.囊性不均质结构

E.囊、实性结构

题型:单项选择题

在“影响酶活性的条件”实验的最后阶段,加碘液不变蓝的试管是()

A.37℃温水中放置的试管

B.沸水中放置的试管

C.冰块中放置的试管

D.A、B、C三项均可

题型:单项选择题

健胃消食药的服药时间是()

A.饭前服

B.饭后服

C.多次分服

D.空腹时服

E.腹痛时服

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