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新目标大学英语综合教程3,大学英语3电子课本pdf

  • 学英语
  • 2024-05-30

新目标大学英语综合教程3?一、一般将来时:概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。时间状语:tomorrow,next day(week,month,year…),soon,in a few minutes,by…,the day after tomorrow,etc.基本结构:主语+am/is/are+going to + do;will/shall + do.二、一般现在时:概念:经常、那么,新目标大学英语综合教程3?一起来了解一下吧。

新大学英语综合教程3第二版

一、一般将来时:

概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。

时间状语:tomorrow,next day(week,month,year…),soon,in a few minutes,by…,the day after tomorrow,etc.

基本结构:主语+am/is/are+going to + do;will/shall + do.

二、一般现在时:

概念:经常、反复发生的动作或行为某种状况。

时间状语:always,usually,often,sometimes,every week (day,year,month…),once a week,on Sundays,

基本结构:动词 原形 (如主语为第三人称单数,动词上要改为第三人称单数形式)

三、一般过去时

概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。

基本结构:be动词;行为动词的过去式

四、现在进行时

概念:表示现阶段或说话时正在进行的动作及行为。

时间状语:now,at this time,days,etc. look . listen

五、过去进行时

概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。

2023版welearn答案综合教程3

As long as you can insist on being grateful to others, restrained to yourself, devoted to things and cherishing things, it's very difficult for you to get a raise or promotion, or to realize your career dream. From now on, be a grateful person!

只要你能坚持对人感恩,对己克制,对事尽心,对物珍惜,你想不加薪升职都很难,你想不实现你的职业梦想都很难。从此刻开始,做一个懂得感恩的人吧!

We will find such a successful way: as long as we learn to be grateful, we will find that the power of gratitude is extremely strong, it can make us full of passion and vitality every day.

我们会发现这样一条成功之路:只要我们学会感恩,就会发现感恩的力量无比强大,它能让我们每天充满激情和活力。

新目标综合教程三课后答案

human cloning:a scientist's story 原文:

I was extremely close with my mother all my life.She was a brilliant educator, writer and wonderful woman.Sadly, she developed complications related to diabetes.When she lost her eyesight and most of her ability to walk,it was absolutely horrifying for me.She passed away from a fall seven or eight years ago.At her funeral,I swore that one day I'd do something about conditions like hers.Years passed and I read about the work.the South Koreans had done with stem cells.InandHwang Woo-Suk fraudulently reported that he had succeeded in creating human embryonic stem cells by cloning.Back then it wasn't known it was a fraud,so it was very exciting to think that a long list of diseases could be treated.I founded the stem cell research company Stemagen with another gentleman whose father had died of ALS.We went out for drinks one night and we started talking about our parents.We wanted to do something that would be a legacy for them.For Better Or Worse?The moment we decided to start Stemagen,I read all there was to read about the various cloning efforts in the past.The cloned sheep Dolly inwas very interesting,but at that stage people were not focusing on the stem cell aspect of cloning;they were focusing on the reproductive possibilities of cloning.Human reproductive cloning is just simply wrong ethically from a medical standpoint and a scientific standpoint,even ignoring any religious issues associated with it.The reason is that the majority of reproductive clones in other species are actually abnormal,with very high miscarriage rates,very high stillbirth rates, fetal anomalies,death soon after birth, et cetera.It would just be absolutely wrong to take a human being and put them through what may well involve significant suffering for really no good end.Even though people could take the techniques that we've developed and attempt to do it(or perhaps even be successful doing it),we hope that they would not.On the other hand,therapeutic cloning does not involve any type of risk to human life and actually provides tremendous potential for the relief of suffering in real human beings who are going through some awful things.I'm a pure scientist in some ways,and I know that many different studies or findings could be used for evil.Our job as scientists is to make the most of this technology and make it available to the greatest number of other scientists who can help us do good things with it.There's really no effective way for an individual scientist to stop someone else from using the knowledge for something they shouldn't.We need to be honest about the techniques that we used.They need to be able to be replicated by other people,and so, we are providing a roadmap.I would hope that the legislation that's in place and the great public disapproval that would result from any attempt to clone a human would dissuade anyone from going down that path.What is it they say?There is no technology that hasn't been used for some evil purpose at some point.Quite honestly I do think that someone will attempt human reproductive cloning.I do think it's inevitable,and it's virtually impossible to legislate that away.Claim to Fame I am spoken of as the first man to "clone himself."There are different types of cloning.At the cellular level, yes, it's true I am the first man to clone himself.We thought a great deal about how to deal with the issue of whose cells we should use and whether we should let the world and the scientific community know who the first cellular clone was.In the end we decided that we wanted to put a human face on cloning.I didn't anticipate it would create the firestorm of controversy that it's created,but I'm still glad we went down that path.We received thousands of e-mails and phone calls from people who need help.I think by coming forward and putting a face to it we made it very real,and now people around the world know that cloning is here.I believe that very soon it will be used therapeutically,so I think our purpose was served.Pure ScienceWhat happens is an informed and consenting woman donates an egg and we remove her genetic material from the egg.Then we place a single skin cell inside that egg.What we're really interested in is creating disease-specific and person-specific stem cell lines.The procedure of taking cells from a person takes no more than a minute or two.You can take some skin cells from the arm, for example,and in one to two minutes,you can get the cells that you need to carry out this process.This process enables us to study the causes of specific diseases,such as Alzheimer's Disease, ALS or Parkinson's Disease,and then research a variety of treatments for these diseases.If the stem cell lines are created for any given individual and are later transplanted back into the individual,they will not be rejected by the individual.Sweet Success I always thought that when our research was successful I would just be pleased that we had accomplished this when others had not.In reality, it is transcendent — when you look through the microscope,you see what you may have looked like a long time ago, at least in part.When I looked down and saw that cloned blastocyst,it brought tears to my eyes.I had done this for my mother,and I realized, had she only been able to live a few years longer,maybe we could have used this technology to help her.It was emotional to see that potential,which she never had a chance to experience.There's a big misconception out there that we decided to destroy these embryos for some reason.There was so much skepticism about this process because of the scientific fraud from the past that it was critical that there be no doubt that they were clones.In the process of analysis, the embryos were destroyed by necessity.In other words,to get the genetic material from inside the cells to analyze it,you have to destroy the cell.We would have loved to have been able to avoid destroying them.Now we're working full-time on creating stem cell lines,and people are watching with great interest.The Pope And The President There are a variety of opponents to our work.We were condemned by the Vatican and mentioned in a negative light inPresident Bush's State of the Union address.In a sense it's an honor because it shows that we're doing something significant.It's not every day that you get condemned by the Vatican and President Bush in the same week.There's usually no dialogue between the researchers in the embryonic stem cell field and those who oppose it.It doesn't make sense to me that it's such an emotional and contentious topic.Logically, this is not life.I agree it's a potential life,but the vast majority of embryos never become life.The majority generate, don't implant and die. A fetus is a life.That argument makes sense to me,but it doesn't make sense to me to look at an embryo in a lab and give it all the rights of a human life.

welearn全新版大学进阶英语综合教程3答案

第一单元

生活方式的改变

课文A

在美国,不少人对乡村生活怀有浪漫的情感。许多居住在城镇的人梦想着自己办个农场,梦想着靠土地为生。很少有人真去把梦想变为现实。或许这也没有什么不好,因为,正如吉姆·多尔蒂当初开始其写作和农场经营双重生涯时所体验到的那样,农耕生活远非轻松自在。但他写道,自己并不后悔,对自己做出的改变生活方式的决定仍热情不减。

多尔蒂先生创建自己的理想生活

售姆·多尔蒂

有两件事是我一直想做的——写作与务农。如今我同时做着这两件事。作为作家,我和E·B·怀特不属同一等级,作为农场主,我和乡邻也不是同一类人,不过我应付得还行。在城市以及郊区历经多年的怅惘失望之后,我和妻子桑迪终于在这里的乡村寻觅到心灵的满足。

这是一种自力更生的生活。我们食用的果蔬几乎都是自己种的。自家饲养的鸡提供鸡蛋,每星期还能剩余几十个出售。自家养殖的蜜蜂提供蜂蜜,我们还自己动手砍柴,足可供过冬取暖之用。

这也是一种令人满足的生活。夏日里我们在河上荡舟,在林子里野餐,骑着自行车长时间漫游。冬日里我们滑雪溜冰。我们为落日的余辉而激动。我们爱闻大地回暖的气息,爱听牛群哞叫。我们守着看鹰儿飞过上空,看玉米田间鹿群嬉跃。

但如此美妙的生活有时会变得相当艰苦。

大学英语3电子课本pdf

大学英语综合教程3第5课课文原文及翻译:Writing Three Thank-You Letters Alex Haley 1 It was 1943, during World War II, and I was a young U. S. coastguardsman. My ship, the USS Murzim, had been under way for several days. Most of her holds contained thousands of cartons of canned or dried foods. The other holds were loaded with five-hundred-pound bombs packed delicately in padded racks. Our destination was a big base on the island of Tulagi in the South Pacific. 写三封感谢信亚利克斯·黑利 那是在二战期间的1943年,我是个年轻的美国海岸警卫队队员。我们的船,美国军舰军市一号已出海多日。

以上就是新目标大学英语综合教程3的全部内容,3. Back then it wasn't known it was a fraud, so it was very excitingto think that a long list of diseases could be treated. 当时人们并不知道那是造假,所以想到一长串疾病有望得到医治,人们兴奋不已。

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