石决明的药用部分是（）。 A.全草 B.贝壳 C.树脂 D.孢子 E.种子

阅读理解

     Habits are a funny thing. We reach for them mindlessly ，  setting our brains on autopilot and relaxing

into the unconscious comfort of familiar routine. “Not choice ，  but habit rules the unreflecting creatures ，”William Wordsworth said in the 19th century. In the everchanging 21st century ，even the word

“habit” carries a negative meaning.

     So it seems contradictory to talk about habits in the same context as innovation ( 创新). But brain

researchers have discovered that when we consciously develop new habits ,we create parallel paths ， 

and even entirely new brain cells ， that can jump our trains of thought onto new , innovative tracks.

     Rather than dismissing ourselves as unchangeable creatures of habit ， we can instead direct our own

change by consciously developing new habits. In fact ，the more new things we try ， he more creative

we become.

     But don't bother trying to kill off old habits ；once those ruts of procedure are worn into the brain ，

they're there to stay. Instead ，  the new habits  we  deliberately press into  ourselves  create parallel

pathways that can bypass those old roads.

      “The  first  thing  needed  for innovation is attraction to wonder ,”says  Dawna  Markova , author

of The Open Mind. “But we are taught instead to‘decide’，  just as our president calls himself  ‘the

Decider’.” She adds，  however，  that “to decide is to kill off  all  possibilities but one. A  good

innovational thinker is always exploring the many other possibilities.”

     “All of us work through problems in ways of which we're unaware,”  she says.  Researchers in the

late 1960s discovered that humans are born with the ability to approach challenges in four primary ways： analytically，  procedurally，  collaboratively (合作地) and innovatively.  At the end of  adolescence，  

however，  the brain shuts down half of that ability，  preserving only those ways of thought that have

seemed most valuable during the first decade or so of life.

     The current emphasis on standardized testing highlights analysis and procedure, meaning that few of

us use our innovative and collaborative ways of thought. “This breaks the major rule in the American belief system-that anyone can do anything，”explains M. J. Ryan,author of the 2006 book This Year I Will…

and Ms. Markova's business partner. “That's a lie that we have preserved，  and it fosters commonness. Knowing what you're good at and doing even more of it creates excellence.”This is where developing new habits comes in.

1．Brain researchers have discovered that______.

A．the forming of new habits can be guided

B．the development of habits can be predicted

C．the regulation of old habits can be transformed

D．the track of new habits can be created unconsciously

2．The underlined word“ruts”in Paragraph 4 is closest in meaning to________.

A．zones  

B．connections

C．situations  

D．tracks

3．Which of the following statements most probably agrees with Dawna Markova's view？

A．Decision makes no sense in choices.

B．Curiosity makes creative minds active.

C．Creative ideas are born of a relaxing mind.

D．Formation of innovation comes from fantastic ideas.

4．The purpose of the author writing this article is to persuade us________.

A．to give up our traditional habits deliberately

B．to create and develop new habits consciously

C．to resist the application of standardized testing

D．to believe that old habits conflict with new habits

妊娠合并风湿性心脏病，哪项体征是早期心衰的可靠诊断依据

A．心界扩大

B．心尖部闻及Ⅱ级收缩期杂音

C．肺底部持续性干哕音

D．休息时心率>110次/分

E．下肢凹陷性水肿I度

若N是X市的项目，且K把尽可能多的时间花在N，而在他所考察的其他项目上花尽可能少的时间，则下面哪一项正确

A．K在X市不能考察任何项目。

B．K在y市可以考察4个项目。

C．K在N这个项目可以考察6天。

D．K在Z市不能超过4天。

社会学家们研究发现，对某种社会现象影响最大的在量上往往只占少数。例如，社会财富的80%以上集中在20%的人手中。
以下哪一项所描述的现象不符合这一规律

A．生产中产品质量的控制只受几个关键环节的影响。

B．国家人口中的大部分主要集中于少量的国土上。

C．家庭支出的大部分花在少数几个项目上。

D．学生学的最多的是大量的基础知识。

E．大多数传媒上报道的核心内容只集中在几篇文章中。

腹外疝最重要的发病原因是

A．慢性咳嗽
B．长期便秘
C．排尿困难
D．腹壁有薄弱点或腹壁缺损
E．经常从事导致腹腔内压增高的工作