我国对污染环境的责任问题遵循()

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问题:

我国对污染环境的责任问题遵循()

考点:常减压装置考试初级常减压装置初级常减压装置题库
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按从大到小的顺序排列下面数量。   

 40.8千克        0.48吨       400千克80克       800千克40克       40840克

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蒙药的特点是

A.服用量大

B.服用量小

C.内服为主

D.外用为主

E.都来源于天然药品

题型:填空题

忽略空气阻力,抛出后的小球在空中运动的轨迹如图示,抛出后的小球由于

[ ]

A.不受力,运动状态发生改变

B.不受力,运动状态不发生改变

C.受到重力作用,运动状态发生改变

D.受到推力作用,运动状态发生改变

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阅读理解。

     When I enrolled at Pepperdine University in 1974, my mother exercised her parental right to

express her worry at my departure. I responded with typical teenage indifference and ignorance.

"Mom , I'm only an hour away. What's the bit deal?" "You just wait until you have one of your own,"

she cried ."Then you'll know what I'm feeling." It has been a little more than a month since my daughter

Devin moved into her dorm at Occidental college, and life as I know it has come to an end. Or that's

what it feels like. Mom, you were right.

     The nest's empty loneliness is almost unbearable. Why does it hurt so bad? Science has an answer:

We are social mammals who experience deep attachment to our fellow friends and family, an evolutionary

throwback to our Paleolithic(旧石器时代的)hunter-gatherer days of living in small bands. Bonding

unified the group, aiding survival in harsh climates and against unforgiving enemies. Attachment between

parents and offspring assured that there is no one better equipped to look after the future survival of

your genes than yourself.

     The empty-nest syndrome is real, but there is good news for this and all forms of loss and grief.

According to Harvard psychologist Daniel Gilbert, we are not very good at forecasting our unhappiness. Most of us think that we would be miserable for a very long time. Gilbert calls this the durability bias,

an emotional misunderstanding.

     The durability bias and the failure to recognize the power of our emotional immune systems lead us

to overestimate how depressed we will feel and for how long, and to underestimate how quickly we

will get rid of it and feel better.

     For me, taking the long view helps. How long? Deep time. Evolutionary time, in which 6,895 days

represent a mere 0.000000005% of the 3.5 billion year history of life on Earth.

     Each of us parents makes one small contribution to the evolutionary importance of life's continuity

from one generation to the next without a single gap, an unbroken link over the eons(永久).

1. What message does the author want to express by telling us her experience in the first paragraph?

A. The empty-nest syndrome is really hard for old parents to bear.

B. All people should learn to love their parents no matter how old they are.

C. A person will not understand his parents ? love until he has his own child.

D. The love parents give to children is selfless and should be respected.

2. According to Daniel Gilbert, the empty-nest syndrome is         .

A. caused by our emotional misunderstanding

B. not a real problem but in our imagination

C. the result of overestimating our happiness

D. from our emotional immune systems

3. The author gets herself out of the empty-nest syndrome by holding a positive idea that        .

A. she can go to see her daughter regularly when she misses her

B. her daughter will one day come back to her after graduation

C. her daughter will understand her when she has her own children

D. the departure from her daughter is much shorter than the history of life on Earth

4. What kind of role do parents play in the human history, according to the last paragraph?

A. They cultivate talents for the development of history.

B. They help keep the life's continuity without a broken link.

C. They accelerate the evolutionary pace of the human beings.

D. They point a right way for the next generation to develop themselves

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( )是基金投资运作的具体执行部门,负责组织、制定和执行交易计划。

A.交易部
B.投资部
C.研究部
D.市场部

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