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"Motherhood may make women smarter and may help prevent dementia(痴呆) in old age by bathi

"Motherhood may make women smarter and may help prevent dementia(痴呆) in old age by bathing the brain in protective hormones," US researchers reported on Thursday.

Tests on rats show that those who raise two or more litters of pups do considerably better in tests of memory and skills than rats who have no babies, and their brains show changes that suggest they may be protected against diseases such as Alzheimer's dementia (早老痴呆症). University of Richmond psychology professor Craig Kinsley believes his findings will translate into humans.

"Our research shows that the hormones of pregnancy (怀孕) are protecting the brain, including estrogen (雌激素), which we know has many neuroprotective (保护神经的) effects," Kinsley said.

"It's rat data but humans are mammals just like these animals are mammals," he added in a telephone interview. "They go through pregnancy and hormonal changes."

Kinsley said he hoped public health officials and researchers would look to see if having had children protected a woman from Alzheimer's dementia and other forms of age-related brain decline.

"When people think about pregnancy, they think about what happens to the baby and the mother from the neck down," said Kinsley, who presented his findings to the annual meeting of the Society of Neuroscience in Orlando, Florida.

"They do not realize that hormones are washing on the brain. If you look at female animals who have never gone through pregnancy, they act differently to the young. But if she goes through pregnancy, she will sacrifice her life for her infant--that is a great change in her behavior. that shows the genetic alterations(改变) to the brain. "

How do scientists know "Motherhood may make women smarter"?

A.Some researchers have told them.

B.Many women say so.

C.They know it by experimenting on rats.

D.They know it through their own experience.

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更多“"Motherhood may make women smarter and may help prevent dementia(痴呆) in old age by bathi”相关的问题

第1题

The Value of Motherhood In shopping malls,the assistants try to push you into buying“a

The Value of Motherhood

In shopping malls,the assistants try to push you into buying“a gift to thank her for her unselfish love". When you log ontol a website,a small popo—up2 invites you to book a bouquet for her.Commercial warmth and gratitude are the atmosphere being spread around for this special Sunday in May.

_______ (1).The popularity of Mother’s Day around the world suggests that Jarvis got all she wanted.In fact,she got more—enough to make her horrified.

_______ (2).They buy,among other things,132 million cards.Mother’s Day is the No 1 holiday for flower purchases.Then there are the various commodities,ranging from jewelry aIld clothes to cosmetics and washing powder,that take advantage of the promotion opportunities,Because of this,Jarvis spent the last 40 years of her life trying to stop Mother’s Day.One protest against the commercialization

of Mother’s Day even got her arrested—for disturbing the peace,interestingly.

_______(3).As Ralph Fevre,a reporter at the UK newspaper The Guardian,observe,traditionally“motherhood is something that we do because we think it’s right.”But in the logic of commercialism,people need something in exchange for their time and energy. A career serves this purpose better.

_______ (4).So they work hard and play hard.Becoming a mother,however,inevitably handicaps career anticipation.

_______ (5).According to The Guardian,there are twice as many child—free young women as there were a generation ago.Or,they put off the responsibility of parenting until later in their lives.

So,Fevre writes that the meaning of celebrating Mother’s Day needs to be updated:“It is to persuade people that parenting is a good idea and to honor people for their attempt to be good people.”

A.The American version of Mother’s Day was thought up as early as 1905,by Anna Jarvis,as a way of recognizing the real value of motherhood.

B.But what’s more,commercialism changes young people’s attitude towards motherhood.

C.Obviously,the best gift will be a phone call or a visit.

D.According to a research by the US card company Hallmark,96 percent of American consumers celebrate the holiday。

E.As a result,motherhood has suffered a huge drop in status since the 1950s.

F.In addition,women are being encouraged to pursue any career they desire.

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第2题

回答{TSE}题: The Value of Motherhood In shopping malls,the assistants try to push you into
buying"a gift to thank her for her unselfish love". When you log ontowebsite,a small pop-up invites you to book a bouquet for her. Commercial warmthand gratitude are the atmosphere being spread around for this special Sunday inMay. 46__________The popularity of Mother's Day around the world suggests thatJarvis got all she wanted.In fact, she got more enough to make her horrified. 47__________They buy, among other things, 132 million cards. Mother's Day isthe No. 1 holiday for flower purchases. Then there are the various commodities,ranging from jewelry and clothes to cosmeties and washing powder, that takeadvantage of the promotion opportunities. Because of this, Jarvis spent thelast 40 years of her life trying to stop Mother's Day. One protest against thecomer cialization Mother's Day even got her arrested-for disturbing the peace,interestingly. 48__________As Ralph Fevre, a reporter at the UK newspaper The Guardian,observe, traditionally "motherhood is something that we do because wethink it's right. " But in the logic of commercialism, people needsomething in exchange for their time and energy. A career serves this purposebetter. 49__________So they work hard and play hard. Becoming a mother,however, inevitably handicaps career anticipation. 50__________According to The Guardian,there are twice as many child-free youngwomen as there were a generation ago. Or,they put off the responsibility ofparenting until later in their lives. So,Fevre writes that the meaning of celebrating Mother's Dayneeds to be updated."It is to persuade people that parenting is a goodidea and to honor people for their attempt to be good people. " A. Commercial warmth and gratitude are the atmosphere beingspread as early as 1905, by Anna Jarvis, as a way of recognizing the real valueof motherhood. B. But what's more,commercialism changes young people'sattitude towards motherhood. C. Obviously, the best girl will be a phone call or a visit. D. According to a research by the US card company Hallmark, 96percent of American consumers celebrate the holiday. E. As a result,motherhood has suffered a huge drop in statussince the 1950s. F. In addition, women are being encouraged to pursue any careerthey desire. {TS} 46__________

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第3题

The Value of MotherhoodIn shopping malls, the assistants try. to push you into buying "a g

The Value of Motherhood

In shopping malls, the assistants try. to push you into buying "a gift to thank her for her unselfish love". When you log onto(登录的)website, a small pop-up(弹出式菜单) invites you to book a bouquet(花束) for her.(46)

The American version of Mother's Day was thought up as early as 1905, by Anna Jarvis, as a way of recognizing the real value of motherhood. The popularity of Mother's Day around the world suggests that Jarvis got all she wanted. In fact, she got more —enough to make her horrified.

(47) They buy, among other things, 132 million cards. Mother's Day is the No.1 holiday for flower purchases. Then there are the various commodities, ranging from jewelry and clothes to cosmetics and washing powder, that take advantage of the promotion opportunities. Because of this, Jarvis spent the last 40 years of her life trying to stop Mother's Day. One protest against the commercialization(商品化) Mother's Day even got her arrested—for disturbing the peace, interestingly.

(48) As Ralph Fevre, a reporter at the UK newspaper The Guardian, observe, traditionally "motherhood is something that we do because we think it's right." But in the logic of commercialism, people need something in exchange for their time and energy. A career serves this purpose better.

In addition, women are being encouraged to pursue any career they desire. So they work hard and play hard. (49)

(50) According to The Guardian; there are twice as many child-free young women as there were a generation ago. Or, they put off the responsibility of parenting until later in their lives.

So, Fevre writes that the meaning of celebrating Mother's Day needs to be updated; "It is to persuade people that parenting is a good idea and to honor people for their attempt to be good people."

A. Commercial warmth and gratitude are the atmosphere being spread around for this special Sunday in May.

B. But what's mote, commercialism changes young people's 'attitude towards motherhood.

C. Obviously, the best girl will be a phone call or a visit.

D. According to a research by the US card company Hallmark, 96 percent of American consumers celebrate the holiday.

E. As a result, motherhood has suffered a huge drop in status since the 1950s.

F. Becoming a mother, however, inevitably handicaps career anticipation.

(46)

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第4题

The Truth About Teens: It Gets Easier...and Then They Leave!The StruggleFor mothers of tee

The Truth About Teens: It Gets Easier...and Then They Leave!

The Struggle

For mothers of teens, letting go is the basic challenge of this phase of our lives. And only the superhuman can pull it off without experiencing feelings of loss, resentment, anger and exhaustion. On the other hand, if this process of change and separation produces a well-deserved feeling of pride and accomplishment, not to mention the pleasure of sharing life with an almost-full-fledged adult, then the teen years can be golden ones.

In fact, you may find that behavior. that one day drives you screaming from the house can actually prove exciting, even charming, the next. For example, as your teenager's brainpower develops, so does her ability to formulate more mature opinions. She may still assume you're "totally wrong" before you've opened your mouth, but the argument that follows has the potential to be far more interesting than discussions were a year or two ago.

Unfortunately, certain aspects of your teen's growing brain may lead him to do some incredibly lame-brained things. Adolescents are risk takers, a tendency that neurologists(神经学家) are beginning to explain by actually looking at the physiology(生理学) of those areas of the brain that are associated with decision making. Once a child enters adolescence, his risk of dying rises by 300 percent. The vast majority of teens(78 percent) try alcohol in high school, with some 5 million admitting to binge drinking(狂饮) at least once a month. One out of every five kids has sexual intercourse before turning 15—and far more are engaging in other sex play they think "doesn't count".

Reading these statistics—or, worse, recognizing that your kid is in pain or in trouble, as many are during adolescence—can make this phase of motherhood feel less like the toddler(初学走路的人) years and more like infancy(幼年). Back then you were probably advised to "read your baby's signals" when your newborn cried. Likewise, your attempts to read your teen's behavior. now inevitably run headlong into a wail of self-doubt and insecurity. When my 18-year-old daughter, Maddie, was a fragile, helpless newborn, exquisitely ill equipped to tell me what she needed, how could I know for sure that I had done the right thing? When she was a young teenager, increasingly independent, vulnerable and unwilling to tell me what she needed, how could I know for sure that I had done the right thing? Panic attacks, which I associated with my first months as a mother, were part of my experience of Maddie's and her brother Nick's adolescence.

The bottom line is that our teens probably will try drugs, get drunk, and have sex before they're in college(we hope not all on the same night). The most we can do is try to arm them with enough self-esteem and good sense to make only a few stupid decisions—none of them life threatening—and to have the courage to learn from their mistakes. In fact, we really shouldn't hope to raise Prince Perfect or Miss Goody Two-shoes. Why? Because there's compelling evidence that teens who never break the roles, who refuse every beer and cigarette and come-on, don't live so well when they're out on their own. According to researchers at Boise State University in Idaho who studied the drinking behavior. of 266 incoming freshmen, the model students were less likely than veterans of the party scene to know how to handle their liquor or how to pace themselves. Also, they were less likely to have had a discussion about binge drinking with their parents. After all, why would you have to tell an A student that drinking successive shots of vodka can kill you?

You have to talk to your kids for the simple reason that all teenagers say they have good judgment when they don't. All teenagers engage in risky behaviors, because they believe they're invulnerable. And all teenagers lie to their parents, even when it's patently obvious that they're guilty. The

A.Y

B.N

C.NG

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第5题

If you want to make your presentation () , you may use some visual aids.
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第6题

Close human ties may make life longer, but not fuller.A.YB.NC.NG

Close human ties may make life longer, but not fuller.

A.Y

B.N

C.NG

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第7题

The word "bump" in Paragraph 3 may mean _______.A.to make something run fastB.to cause to

The word "bump" in Paragraph 3 may mean _______.

A.to make something run fast

B.to cause to revolve

C.to move smoothly

D.to collide

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第8题

According to the passage, it may soon be possible A.to make something as good

According to the passage, it may soon be possible

A.to make something as good as human skin.

B.toproduce drugs without side effects.

C.to transplant human organs.

D.to make artificial hearts and eyes.

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第9题

According to the passage, it may soon be possibleA.to make something as good as human skin

According to the passage, it may soon be possible

A.to make something as good as human skin.

B.to produce drugs without side effects.

C.to transplant human organs.

D.to make artificial hearts and eyes.

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第10题

A.Tom likes to study a foreign language.B.Tom should make his own decision.C.Tom may pa

A.Tom likes to study a foreign language.

B.Tom should make his own decision.

C.Tom may pay a visit to France.

D.Tom has not made up his mind.

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