牙体缺损修复时,牙体预备的要求正确的是( )A.去除病变组织B.开辟修复体所占空间

题型:单项选择题

问题:

牙体缺损修复时,牙体预备的要求正确的是( )

A.去除病变组织
B.开辟修复体所占空间
C.提供良好的固位形和抗力形
D.磨改异常的对颌牙及邻牙
E.以上均正确

考点:口腔执业助理医师口腔执业助理医师
题型:单项选择题

资产评估报告的基本要素一般包含()。

A.评估方法

B.评估目的

C.评估基准日

D.委托方、产权持有者和委托方以外的其他评估报告使用者

E.资产评估立项通知书

题型:单项选择题

把一块饼平均切成4小块,每小块是它的______.

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孕龄期妇女,停经40d余,腹痛后妊娠组织排出,现出血不多,查体宫口闭,妊娠试验(-)。应诊断为()。

A.先兆流产

B.难免流产

C.不全流产

D.完全流产

E.稽留流产

题型:单项选择题

阅读理解。

     A popular saying goes, "Sticks and stones may break my bones, but words will never hurt me."

However, that's not really true. Words have the power to build us up or tear us down. It doesn't matter

if the words come from someone's else or ourselves -the positive and negative effects are just as

lasting.

     We all talk to ourselves sometimes. We're usually too embarrassed to admit it, though. In fact, we

really shouldn't be because more and more experts believe talking to ourselves out loud is a healthy

habit.

     This "self-talk" helps us motivate ourselves, remember things, solve problems, and calm ourselves

down. Be aware, though, that as much as 77% of self-talk tends to be negative. So in order to stay

positive, we should only speak words of encouragement to ourselves. We should also be quick to give

ourselves a pat on the back. The next time you finish a project, do well in a test, or finally clean your

room, join me in saying "Good job!"

     Often, words come out of our mouths without us thinking about the effect they will have. But we

should be aware that our words cause certain responses in others. For example, when returning an item

to a store, we might use warm, friendly language during the exchange. And the clerk will probably

respond in a similar manner. Or harsh(刻薄的)and critical language will most likely cause the clerk to be

defensive.

     Words possess power because of their lasting effect. Many of us regret something we once said.

And we remember unkind words said to us! Before speaking, we should always ask ourselves: Is it

loving? Is it needed? If what we want to say doesn't pass this test, then it's better left unsaid.

     Words possess power: both positive and negative. Those around us receive encouragement when

we speak positively. We can offer hope, build self-esteem(自尊)and motivate others to do their best.

Negative words destroy all those things. Will we use our words to hurt or to heal? The choice is ours.

1. The main idea of the first paragraph is that ________.

A. not sticks and stones but words will hurt us

B. inspiring words give us confidence

C. negative words may let us down

D. words have a lasting effect on us

2. There is no sense for us to feel embarrassed when we talk to ourselves because _______.

A. almost everybody has the habit of talking to themselves

B. we can benefit from talking to ourselves

C. talking to ourselves always gives us courage

D. it does no harm to have "self-talk" when we are alone

2. The underlined part in the third paragraph means that we should also timely _______ .

A. praise ourselves

B. remind ourselves

C. make ourselves relaxed

D. give ourselves amusement

3. The author would probably hold the view that ______.

A. encouraging words are sure to lead to kind offers

B. negative words may encourage us to make more progress

C. people tend to remember friendly words

D. it is better to think twice before talking to others

题型:单项选择题

认领,分为:自愿认领、()。

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