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星沙不孕症治疗宫腹腔镜妙手爱问

2018年02月22日 16:55:51 | 作者:知道养生 | 来源:新华社
Plants in the Deserts沙漠中的植物Some cacti, like the saguaro, grow to tree size, but true trees need more moisture than most desert environments can supply, so they are scarce on deserts.一些仙人掌,如撒瓜罗,能长到橡树那么高但真正的树却需要比大多数沙漠所能提供的更多的水分,所以树在沙漠里是鲜见的Close to streambeds, cottonwoods can sometimes be found. Though these streams are dry most of the year, water flows there longest and is usually available fairly close to the surface. Elsewhere, trees must send taproots deep into the hard baked desert soil to draw on underground water. Perhaps the most widesp family of trees on the world deserts is the acacia, whose taproots drill down as fas as 5 feet (7.5 meters).在小溪河床附近,有时能发现三角叶杨尽管一年的大多数时间里这些小溪都是干涸的,那里却是水流的时间最长的地方而且水分相当靠近地表其他地方树木的主根必须深入受炙烤而坚硬的沙漠底部的土壤以吸取地下水在沙漠里分布最广的树或许是刺魏,其主根能深达5英尺(合75米)The mesquite common on North American deserts in both tree and shrub ms, does not begin to grow above ground until its root system is completely developed, ensuring the plant a supply of moisture. The roots of shrubs and trees help to hold the desert soil in place. Their stalks and branches also act as screens to keep the wind from sweeping great drifts of sand along the surface. These services are vital if a desert is to support life.牧豆树属植物不论是乔木和灌木,在北美沙漠中经常可见,在它根部系统完全生长发达到能保提供充足的水分时才长出地面灌木和树的根有助于固定沙漠中的土壤,它们的茎和树枝同时起屏障的作用,防止风从沙漠表面吹起大堆的沙如果沙漠要持生命,这种作用必不可少In addition to a few varieties of trees and tough shrubs, most deserts have grasses, herbs, and other annual plants. These do not compete moisture with the longer lived growth. They spring up quickly after rains, when the surface is moist. Then, a brief time, the desert can be literally carpeted with color. Almost as quickly as they appeared, these small plants die away. But they have developed special ways of ensuring the life of another generation when rains come again.除了一些种类的树木和顽强的灌木外,大多数沙漠里还有青草、草本植物和其他年生植物它们并不与长期生长的树木竞争水分当雨后地表还潮湿时它们就迅速发芽,然后在一个短时间里,给沙漠铺上绿色地毯这些小植物很快就消失了,几乎就像它们长出来时那样迅速,但它们已发展了特殊方式来保在下次降雨来时下一代的生命 1Part 3. The Time Ball.Keywords. time ball, drop, time signals, tradition.Vocabulary. install, observatory, revive, sweep, viable, hoist,gravity, mechanism, aluminum, flavor, sponsor, Greenwich, Miami, Atlanta.A. Listen to some statements about the time ball, fill in the blankets with what you hear on the tape.The time ball was originally used as a maritime time-keeper.The Greenwich time ball is said to be the world first public time signal.The ball is automatically raised halfway up the mast at :55 pm to the top at :58 pm, and drops at 1:00pm.Around 0 public time balls are known or reported to have be installed around the world after that at Greenwich in 1833.The U.S Naval Observatory dropped the first time ball in the ed States in 18.Time balls were used in many cities around the U.S during the 19 century.At the turn of the th century, dozens of time balls were being dropped around the world.A few time balls are still ceremonially dropped around the world, ranging from New Zealand to the Old Royal Observatory in Greenwich.B. Listen to a news report about the lowering of the time ball, answer the questions with keywords.In this age of ultra-high technology, many places around the world will mark the start of the new year in an old fashioned way.They will revive an 19th century naval tradition by dropping time balls when 00 arrives. sites on 6 continents will observe a tradition best exemplified by the lowering of lighted time ball in New York city.As the new year sweeps around the world, beginning at the International Date Line, we are going to have the time balls dropping.Steven Dick is a historian at the U.S naval observatory, the institution that maintains the U.S master clock.Everyone is familiar with the time ball in New York Times Square, but they had a real function in the past.In the 19th century, these were visual time signals which were used to give the time.Mr Dick says the British Navy dropped the first time ball in Portsmouth, England in 189.The first U.S time ball fell in Washington in 18.This remained a viable signaling method through much of the 19th century.They were dropped well into the th century.At the turn of the century, 0 years ago, there were approximately dozen in the ed States that were still in use.Time balls normally fell at noon local time in the ed States, and 1:00 pm in Europe, the beginning of the fall marking the exact time.But this year would see them drop at midnight locally.The first time balls, about one and a half meters in diameter, were made of wood and leather and hoisted manually by rope to drop by gravity.Eventually in several instances, electrical motors or mechanisms using water or air pressure were employed.And in some time, materials changed.The Greenwich ball is now aluminum. this new year, some time balls have local flavor.;Miami will be raising an orange, I understand Atlanta will drop a peach.;Steven Dick said San Francisco is to join the event next year, when the U.S naval observatory again sponsors an international time ball drop to signal what he says is the real start of the millennium.C. Now listen to a faster presentation of the material, check your answers. 56Voice : But there is one place in Russia where HIV positive babies are welcome. This is the Republican Hospital Infectious Diseases in the city of Ust-Izhora. Abandoned HIV positive babies can come here when orphanages do not accept them. But sadly, the center can only care ty children. Yevgeny Voronin established this hospital. He says that the bad experiences children have bee they get to the hospital can affect them their whole lives.声音:但是,俄罗斯有一个欢迎携带艾滋病病毒儿童的地方这就是位于Ust-Izhora市的传染病共和医院如果孤儿院不接受他们,那被遗弃的携带艾滋病病毒的儿童可以来这里但是不幸的是,该中心只能容纳0名儿童叶夫根尼·沃罗宁创建了这家医院他说,这些孩子在进入医院前有过的糟糕经历会影响他们的一生Voice 3: ;These children all look the same — they do not show any emotion, their face is mask-like, they do not smile, they sit in one place.;声音3:“这些孩子看上去都一样,他们不表达任何情感,他们的脸上就像戴了面具一样,他们不笑,只是坐在一个地方”Voice 1: Yelena Vedmed also works at the Republican Hospital Infectious Diseases. She agrees that, often, these abandoned babies do not get the care they need - especially mentally.声音1:叶莲娜·韦德米德也在传染病共和医院工作她认为,这些被遗弃的孩子没有得到他们需要的照顾,尤其从心理上来说Voice : ;Absolutely all the children that came here had developmental problems... Two year old children had the developmental level of a six month old baby.;声音:“来到这里的孩子们都有发育上面的问题……岁孩子的发育水平和6个月婴儿的差不多”Voice : Workers at the Hospital Infectious Diseases do their best to care these abandoned children. But they cannot care every child. And most of all, they worry that people outside the hospital will never accept the HIV positive children. Yevgeny says:声音:传染病共和医院的工作人员竭尽全力去照顾这些被遗弃的儿童但是,他们不能照顾所有的孩子他们最担心的是医院外面的人永远不会接受这些携带艾滋病病毒的儿童叶夫根尼说:Voice 3: ;People are still afraid; they think these children have no future. The children are denied chances because of prejudices. People believe that they will not live long, and ... they are easily infectious. In reality, this is completely not true. There are new medicines...now. But what was in people heads twenty years ago has not changed. The worst punishment these children is not HIV, it is the people prejudice. This is the most terrible punishment.;声音3:“人们仍然很害怕,他们认为这些儿童没有未来这些孩子因为偏见而被拒绝人们认为这些孩子活不了多久,他们很容易被感染事实上,这完全不正确现在有新药物但是人们的思想还停留在年前这些孩子遭遇的最严重惩罚并不是携带艾滋病病毒,而是人们的偏见这是最可怕的惩罚”译文属 550

电影是一种潜意识的活动,由於人的心理防卫机制把人的本我愿望压抑下去,在潜意识的活动中的主要内容被压抑的愿望并非是直接表达於电影中,而是通过扭曲变作为象徵的形式出现,故电影都是象徵的D: OK, Yael, if you were me, would you take your date to a violent action flick, or a romantic movie?Y: A romance, of course.D: There might be some scientific basis why romantic movies make good dates. In one study, participants were asked to watch a romantic movie and a violent movie, and watching the romance stimulated the viewers’ “implicit affiliation motives.”Y: What are those?D:These motives are unconscious desire close friendships. Plus, in men, watching the romance decreased their power motives, or their unconscious desire dominance.Y: I'll bet the opposite was true, the violent movie?D: Changes in implicit affiliation and power motives are associated with changes in hormone levels. example, the viewers who watched the romantic movie experienced a temporary increase in progesterone levels. But with the violent movie, things were more complicated.Y: How is so?D: The reaction to the violent movie seemed to depend on the amount of testosterone the subjects–both men and women–had in their blood bee watching the movie. Men who started out with high testosterone levels and power motives experienced the biggest increase in both. In contrast, women with higher pre-movie testosterone levels and power motives experienced a drop in both, while women with lower testosterone levels became downright uncomtable. While this might have to do with the minor role of female characters in the particular violent movie the researchers selected, this study still helps explain why certain people are drawn to certain types of movies. So as far as the ideal date movie goes, until you check out your partner’s collection, it’s probably safest just to go with a romance. 85

Step by Step 3000. Book . 1. Happy family life.Part 1. Warming up.A. Keywords. family, name, age.Vocabulary. architect, Wales.Supply the missing inmation about the Porter family according to what you hear.Mr William Porter is very old, he is 87, and Mrs Catherine Porter is 80.Mr Porter is from Wales.John Porter and Mary are brother and sister.John Porter is 53, and his is a lawyer, his wife Susan is 8, and she is an architect.James Porter and Joan Lee are cousins.Jams Porter is , and Joan Lee is .B. Keywords. dates, specific, protect, talk, understand, respect.Vocabulary. fatigue, foxhole, distracted, abuse.You are going to hear some ideas that may help make a marriage work.Listen carefully, complete the following seven tips, and decide whether you agree or disagree with the speaker.Check the appropriate box.Here are a few general ideas I believe help make a marriage work.1. Go on dates with each other.Renew romantic feelings by spending special time together.. Be as specific as you can when you complain, make a request or offer praise.3. When stressed by fatigue or your own insecurities, imagine you and your partner in a foxhole, surrounded by danger.Instead of striking out at your partner, find a way to protect the partnership.. When you feel distant, talk about it with your partner.5. Be assured that partners in all marriages sometimes get tired, irritable or distracted.Work together to understand each other.6. Respect each other.Leave if danger exists, find professional help if physical, sexual, emotional or verbal abuse occurs.7. Fight to understand, not to win.C. Keywords. losing, ;lose-lose; solutions, control.Vocabulary. attest, excel, reside in, configuration, spouse.Here a passage about how to excel in the art of domestic argument.Supply the missing words while listening.Having been married more than 0 years, I can attest to the truth of the following statement :To excel in the art of domestic argument, one must master the art of losing.Modern psychologists are taking with the ;win-win; solution.But in marriage, success resides more in ;lose-lose; solutions.Out of these, both parties can win. in the love configuration losing gives a gift that always returns.The issues that people argue over most in marriage such as how to spend money often are not the real ones.The key issue is who is going to be in control?When I was younger, my need to control arose out of fear a lack of trust, insecurity.The day I finally realized I didnt need to control my wife, that indeed I ought not to control her, that I couldnt control her, and that if I tried to, I would destroy our marriage was the day our marriage began.What is it we want most from a marriage?To love and be loved. To be happy and secure. To grow to discover.A love relationship is the garden in which we plant, cultivate and harvest the most precious of crops, our own self, and in which our spouse is provide the same rich soil in which to bloom.We cannot obtain what we want unless our parter also gets what he or she wants.So remember, if you want to feel loved and respected, give up control. 3577

Listen and ShareGeorge W. Bush 乔治#86;沃克#86;布什词汇扫描inaugurate 就职George Walker Bush (born July 6, 196)is the 3rd and current President of the ed States of America,inaugurated on January , 01.He served as the 6th Governor of Texas from 1995 to 00bee being elected in 00 and re-elected in as President.讲解逐句对照George Walker Bush (born July 6, 196)is the 3rd and current President of the ed States of America,inaugurated on January , 01.He served as the 6th Governor of Texas from 1995 to 00and re-elected in as President.多学一点inaugurate 举行就职典礼inaugurate a presidentinaugural addressinauguralinaugurate举行落成典礼inaugurate a new bridgemusic词汇扫描run 参与竞选U.S. House of Representatives 美国国会众议院co-owned 共同拥有campaign 竞选运动Bush worked in his family's oil businesses following college.In 1978,he made an unsuccessful run the U.S. House of Representatives.He later co-owned the Texas Rangers baseball teambee returning to politics in a campaign Governor of Texas.He defeated Ann Richards and was elected as Governor in 199,serving until his successful campaign president.讲解逐句对照Bush worked in his family's oil businesses following college.In 1978,he made an unsuccessful run the U.S. House of Representatives.He later co-owned the Texas Rangers baseball teambee returning to politics in a campaign Governor of Texas.He defeated Ann Richards and was elected as Governor in 199,serving until his successful campaign president.多学一点run 竞选Will he run Governor?House of Representative 美国的众议院Congress 国会Senate 参议院参议员 senatorSenateHouse of RepresentativeCongressParliamentco-ownco- 共同的,一起的He and one of his colleagues coauthored the textbook.campaignHe hasn't decided whether to campaign the senate.music词汇扫描republican 共和党close 接近的controversial 有争议的margin 差额push 力图争取Bush won the presidency in 00as the Republican candidate in a close and controversial contest.Although he lost the popular vote,the Supreme Court decision in Bush v. Goregave Bush the required number of electoral voteswith a 537-vote margin in the state of Florida.As President, Bush pushed through a .3 trillion tax cut programand the No Child Left Behind Act,and has also pushed socially conservative eftssuch as the Partial-Birth Abortion Ban Actand faith-based welfare initiatives.讲解逐句对照Bush won the presidency in 00as the Republican candidate in a close and controversial contest.Although he lost the popular vote,the Supreme Court decision in Bush v. Goregave Bush the required number of electoral voteswith a 537-vote margin in the state of Florida.As President, Bush pushed through a .3 trillion tax cut programand the No Child Left Behind Act,and has also pushed socially conservative eftssuch as the Partial-Birth Abortion Ban Actand faith-based welfare initiatives.多学一点Republican 共和党民主党 the Democratic Partyclose 接近的That's a close baseball game.close callThat was a close call, the train nearly hit the car.controversial 有争议的a controversial questionThe film has always been a very controversial one since its release.margin 差额He won the election with a margin of 500 votes.by a narrow marginHe passed the exam by a narrow margin.push push through 用力地使…通过push We should push better work condition.重新听一次故事原文George Walker Bush (born July 6, 196)is the 3rd and current President of the ed States of America,inaugurated on January , 01.He served as the 6th Governor of Texas from 1995 to 00bee being elected in 00 and re-elected in as President.Bush worked in his family's oil businesses following college.In 1978,he made an unsuccessful run the U.S. House of Representatives.He later co-owned the Texas Rangers baseball teambee returning to politics in a campaign Governor of Texas.He defeated Ann Richards and was elected as Governor in 199,serving until his successful campaign president.Bush won the presidency in 00as the Republican candidate in a close and controversial contest.Although he lost the popular vote,the Supreme Court decision in Bush v. Goregave Bush the required number of electoral voteswith a 537-vote margin in the state of Florida.As President, Bush pushed through a .3 trillion tax cut programand the No Child Left Behind Act,and has also pushed socially conservative eftssuch as the Partial-Birth Abortion Ban Actand faith-based welfare initiatives.谢谢收听 9

Ask an American-Drought and a new gold rush; vendor versus salesman versus pitcher; to clinch versus to breeze into versus to blow away; pronouncing bird versus beard versus bearWords:dried upwater levelunderwatergoldsluice boxtrapeddynatural erosionlandscapingwildfireto hoseto be depositedto chase aftervendorsalesmansalespersonpitcherpitchmanto clinchto breeze intoto blow away 13

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