（）是价值工程的核心。 A.系统分析 B.方法分析 C.技术分析 D.对功能与成本进

股份的特点一般有( )。

A．金额性

B．平等性

C．不可分性

D．可转让性

中度以上二尖瓣狭窄，心电图最主要表现是

A．正常

B．电轴左偏，P波高尖

C．P波增宽且有切迹，右室大

D．P波倒置，双室大

E．PR间期延长，左室大

乳痈初起，证属肝气不舒，胃热壅滞。随治应首选（）

A.逍遥散

B.透脓散

C.四妙汤

D.瓜蒌牛蒡汤

E.牛蒡解肌汤

阅读表达。

     [1] "Having a Sister Makes You Happier" was the headline on a recent article about a study finding that

adolescents who have a sister are less likely to have such feelings as "I am unhappy, sad or depressed". But

why?

      [2] The usual answer that girls and women are more likely than men to talk about emotions is somehow

unsatisfying, especially to a researcher like me. Much of my work over the years shows that women's styles

of friendship and conversation aren't better than men's by nature, simply different.

     [3] My own recent research about sisters suggests a more subtle dynamic. Together with my students I

interviewed more than 100 women about their sisters, but if they also had brothers, I asked them to make a

comparison. Most said they talked to their sisters more often, at greater length and, yes, about more personal

topics. This often meant that they felt closer to their sisters, but not always. One woman, for example, says

she talks for hours by phone to her two brothers as well as her two sisters. But the topics differ. She talks to

her sisters about their personal lives; with her brothers she discusses history, geography and books. And talking for hours creates and reinforces connections with both brothers and sisters, regardless of what they talk about.

     [4] So the key to why having sisters makes people happier-men as well as women - may lie not in the kind of talk they exchange but in the fact of talk.

     [5] So maybe it's true that talk is the reason why having a sister makes you happier, but it needn't be talk

about emotions. When women told me more often, at greater length and about more personal topics, I suspect

it's that first element - more often - that is crucial rather than the last.

1. What is the main idea of this passage? (no more than 8 words)

______________________________________________________________________________________

2. Complete the following statement with proper words. (no more than 8 words)

The answer to why having sisters makes people happier may be , not the ways or the content of talking.

_______________________________________________________________________________________

3. Fill in the blank in Paragraph 5 with proper words. (no more then 5 words)

________________________________________________________________________________________

4. What's the advantage of women's talking long and often with both their brothers and sisters?

(no more than 15 words)

________________________________________________________________________________________

5. What does the word"them" (line 4, paragraph 3) probably refer to? (no more than 5 words)

________________________________________________________________________________________

痈切开引流时正确的切口是（）。

A.两条横切口

B.两条纵切口

C."+"或"++"形切口

D."上"形切口

E."T"形切口