Wouldn’t it be great if we didn’t have to remember passwords (密码) ever again？If we could just sit in front of our computers and be_______logged in (登录)? Crave mentions how NECSoft BiodeLogon system uses face recognition technology to log you on to Windows, rather than using a_______ . All you need is a webcam and your pretty face to_______your PC. No more _______, confusing passwords to remember or change every few months.

After doing a little research, I found this type of_______already available to consumers via a relatively_______application called FaceCode. The_______requires the use of a webcam to recognize and log PC users into their systems. You can add as many_______as you want, provided they each have a Windows account. If the system_______to recognize your__________, you can recall the Windows user name and password by using a hot-key combination.

【推荐3】Which is the most famous sheep in the world? A sheep called Dolly. But why is Dolly _______?

That is because unlike other sheep, Dolly was not _______ in the usual manner. She is actually a ____ of her mother, like an identical twin.

We all have fathers and mothers. In fact, all the animals we know of have them too. A clone, _______, does not need to have both the parents.

Our body is made up of cells which have information to _______ their work in the form of DNA. This is called the genetic code. Every organism gets half of this _______ from the father and the other half from the mother.

We all have grown from a single cell which _______ these two parts of the DNA. It _______ millions of times to give rise to millions of cells which form our body. And each cell has a copy of all the genetic information needed by the _______. This means that each cell of our body has enough information to ________ other human beings like us.

In the ________ of cloning, the scientists extract（提取）the DNA from an animal cell and implant it into an egg cell taken from another animal. Before ________ it, the DNA of the recipient’s cell is ________.

This is how Dolly’s ________ began—from a single cell taken from the udder of her mother. The DNA in her mother’s cell was removed and ________ into the egg cell of another sheep. A few months later, Dolly was born and remained a ________ lamb, a clone of her mother— ________ a biological father.

It is ________ possible to clone humans as well. We might have clones of supermodels and great scientists. What if someone creates a clone of Hitler? Since it is ________, someone, somewhere must have attempted it already.

_____ we have learnt from the story of Jurassic Park, we might lose control over the situation after a point. Is there a disaster waiting to happen?

【推荐1】Back in 1930, one economist predicted that with technological change and improvements in productivity, we’d only be working 15 hours a week by now. But while working hours have ________ by 26%, most of us still average 42.5 hours a week. One of the things he underestimated is the human desire to ________ with our peers.

So when some predicted that automation would create an extra amount of ________ time, needless to say, that didn’t happen. In the 1980s, managers could demand employees under the ________ that jobs could be given to someone else thanks to computerization. The ________ piled on. Overwork has been proven to ________ many diseases and even death. ________we carried on — until COVID-19 came along.

Besides making us work longer hours from home, COVID-19 bas also ________ the move towards the adoption of automated machine. By 2050, some professor predicts that at least 40% of current jobs will be lost to ________.

There are ________. Jobs that involve complex social interactions are all likely to ________ the AI revolution. As are jobs that rely on creativity. The same also goes for________ jobs, due to the large number of different objects and the variety of ways those objects need to be cleaned. Also, robots are unlikely to ________ in the “work” of taking care of children, preparing lunchboxes, etc.

Those whose work falls outside the caring, cleaning or creative field will still work in future, just ________. In about 60% of occupations, a third of the tasks can be automated, meaning changes to the way we work. One study has predicted that over the next 20 years, 7.2 million new jobs will be ________ as a result. So we will work in future: we just don’t know what we’ll be doing yet.

【推荐2】What will the future be like? Good or bad? A lot of science fiction writing imagines a dark and _______ world. Planet of the Apes shows a miserable future for humankind.

There's a word to _______ the kind of future world which often appears in science fiction: dystopia (非理想化的地方), a(n) _______ unpleasant or bad place. The _______ is utopia. But does tomorrow's world have to be so disappointing?

No. A new project wants to use the power of science fiction to _______ a better future. The _______ of Project Hieroglyph is to bring together writers, scientists, engineers and artists to create optimistic stories about a _______ society in the next 50 years,

It's _______ to create a dystopia than write a feel - good story. There's more conflict in a world full of problems, and stories are interesting when there are a lot of problems to solve. No _______, no story! But the project produced a book with some ________ plots. One of them is about environmentalists who fight to ________ people from building the first hotel in the polar areas.

But will these stories actually change anything or merely keep us entertained? A good science fiction story can be ________. It is plain to see that stories can inspire hundreds thousands millions of people to ________ something that they want to do. The influence of science fiction has already been well ________ in modern research.

Time will tell how far we can go. Let's dream big and think ________ the box.

【推荐3】The year is 2094.It has been announced that a comet (彗星) is heading towards the earth.Most of it will miss our planet,but two pieces will probably _______ the southern half of the earth.

On 17 July,a piece four kilometers wide enters the earth’s _______ with a massive explosion.About half of the piece is destroyed,but the _______ part hits the South Atlantic at 200 times the speed of _______.The sea _______ and a huge hole is made in the sea bed.Huge waves are created and spread out from the hole.The wall of water,a kilometer high,rushes towards southern Africa at 800 kilometers an hour.Cities on the African coast are totally destroyed and millions of people are killed.

Before the waves reach South America, the second piece of the comet_______ in Argentina.Earthquakes and volcanoes are _______ off in the Andes Mountains.The shock _______ move north into California and all around the Pacific Ocean.The cities of Los Angeles,San Francisco and Tokyo are completely _______ by earthquakes.Millions of people in the southern half of the earth are already dead,and the north won’t be safe for long.Because of the explosions,the sun is ________ by clouds of dust,temperature around the world falls to almost zero.Crops are ruined.The sun won’t be seen again for many years.Wars ________ as countries fight for ________.A year later,no more than 10 million people remain on the earth.

Could it really________?In fact, it has already happened more than once in the history of the earth.Science shows that the dinosaurs (恐龙) ________ on the earth for over 160 million years.Then 65 million years ago they suddenly disappeared.Many scientists believe that the earth was hit by a piece of heavenly object.The dinosaurs couldn’t live ________ the cold climate that followed and they died out.Will we meet the same end?

【推荐1】An act of kindness doesn’t have to be a grand gesture. Even those small acts of kindness can make a _________ in someone’s day. That was just the case for Amie Mickey when she _________ a bumper sticker on her car reading: You Matter.

Amie started to do this several years ago. At first, she wondered if people would notice it. However, much to her surprise, she began seeing a flood of _________ every time she hit the road. More often than not, people driving slowly near her car would _________ their windows, raising their _________, waving and smiling. Sometimes, she even found some sticky notes left on her windshield saying things like “You _________ too!” Once while she was driving down the highway, she became frightened when a man driving a sports car at a high speed pulled his car alongside _________, waving and mouthing, “You matter!” Though it took her some time to _________ from the incident, she still felt happy. Last year, someone _________ her car while she was waiting for her friend in the car by the roadside, saying to her, “It is a special sticker. I’ve seen various stickers before, but none of them have touched me as your sticker has done. “The two small words on the sticker seem __________ enough, but they really struck a chord with many complete strangers who __________ to catch sight of the sticker.

Stories like Amie’s really __________ the rest of us. Sometimes a kind word or gesture may lift our __________ and it doesn’t cost a thing except for a little extra thought. Maybe it means offering a friend a hug, __________ the children when their children behave well in school, helping someone out or shelters for the homeless. Acts of kindness are waiting everywhere. Small as they seem, they can make a positive __________ on the world, and help form general goodness.

【推荐2】Two of the saddest words in the English language are “if only”. I live my life with the _______ of never having to say those words. The two words _______ regret, lost opportunities, mistakes, and _______. And sometimes the words “if only” go with _______ disasters. Think about how many times you have heard about something awful happening, _______ by "if only he had called her back to make sure she was okay.” or“if only I had _______ that noise...”

My father-in-law is _______ in our family for saying, “_______ an extra minute to do it right. ” He must be doing something _______, since he is 91 years old and still doing things right.

I always ________ to live by the “extra minute” rule. Sometimes it only takes seconds to make sure I write the words down ________, or check some information on the Internet, or move an object ________ before it trips（绊倒） someone.

And of course when my children were young and ________ to cause all kinds of troubles, I lived and stuck to the “extra minute” ________. I always thought about what I could do to ________ an“if only” moment, whether it was something simple like moving a cup full of hot coffee away from the edge of a counter, or something that required a little more work such as taping padding(衬垫) onto the ________ corners of a glass table.

I know there will still be ________ when I have to say “if only” about something, but my life is surely more peaceful because of my principle of doing everything possible to avoid that ________. And even though it takes an extra minute to do something right, or it occasionally takes an hour or two in my busy schedule to________ a personal connection, I know that by doing the right thing, I'm buying myself peace of mind and that's the best kind of ________ for my emotional health.

【推荐3】I want to do the right thing by the environment, and so do you. But, let’s face it: it isn’t always ______.

The moment one thinks about the seriousness of the ______ we face, it is difficult not to feel profoundly hopeless. For example, in order to ______ this article, I visit The World Counts (www.theworldcounts.com), which offers all the latest ______ statistics (统计数据), and it was ______ to send me to bed for the day.

There’s one thing I find ______ about trying to be ______. It is choosing between all the countless ______ on offer. Are bamboo toothbrushes better than electric ones? Do trains always cause less pollution than planes? Should one replace old but perfectly usable smart phones with ______ and high-tech versions? There is so much ______ out there to analyse. When I find myself in despair (绝望), I ______ an article by Loren Eiseley in which two men are walking along a beach covered by thousands of ______, dying starfish. One of the men ______ throwing individual starfish back into the water. The other man ______ that as there are so many starfish in trouble, his companion’s actions will make no ______. But the first man ______ that it will make a difference to each starfish he manages to ______.

It is an oft-repeated story, but that doesn’t make it any less ______. Someone has put it in a nutshell when he said, “it is the greatest of all ______ to do nothing because you can only do a little — do what you ______.”