China has 410K 5G base stations
China built 257,000 new 5G base stations in the first half of the year, according to the Ministry of Industry and Information Technology (MIIT).
Shipments of 5G phones reached 8623 million unis in China, with 5G package users hitting 66 million by the end of June, said Wen Ku, head of information and communication at the ministry.
To give full play to the commercialization of 5G, more policies should be implemented to boost the vitality of the market, Wen said, adding that international cooperation in 5G technology, industry and application should be strengthened.
AG600 seaplane's test flight
Kunlong, China's homegrown AG600 large amphibious aircraft, conducted its first sea-based test flight on Sunday morning, marking a new milestone in the program.
The AG600 is China's second amphibious aircraft, after the SH-5, which was developed in the 1970s for military purposes and has been retired for a long time.
These specifications make it the world's biggest amphibious aircraft, surpassing Japan's ShinMaywa US-2 and Russia's Beriev Be-200.
Once in service, it will put an end to the absence of a large rescue aircraft in China and will be very useful in the national emergency rescue and disaster relief systems.
Beidou products land abroad
According to Ran Chengqi, director general of China Satellite Navigation Office, Beidou has been constantly deepening its compatibility, interoperability and cooperation with the US' GPS, Russia's GLONASS and the EU's Galileo. It has also entered international organizations of civil aviation, maritime affairs, search and rescue satellites and mobile communication.
BDS-based services have been successfully applied in land mapping, precision farming, digital development and smart port construction in member countries of ASEAN, South Asia, Eastern Europe, West Asia and Africa.
When Jennifer Doudna was in sixth grade, she came home one day to find that her dad had left a book titled The Double Helix on her bed. She put it aside, thinking it was one of those detective tales she loved.
On a rainy Saturday, she picked up the book. As she sped through the pages, she became fascinated by the drama, which encouraged her to explore nature's wonders. Even though her high school teacher told her that girls didn't become scientists, she decided she would.
She worked with a biologist, Charpentier, to turn a curiosity of nature into an invention—an easy-to-use tool that can edit DNA. Known as Crispr, the tool will transform the human race. James Watson, the author of The Double Helix, later told her it was the most important biological advance: since he and Francis Crick discovered the structure of DNA.
For this achievement, Doudna and Charpentier were awarded the Nobel Prize in Chemistry in 2020. Until now, only five women, beginning with Marie Curie in 1911, had won or shared the Nobel for Chemistry out of 184 award winners. When this year's prize was announced, Dr. Charpentier said it would provide a message specifically to young girls who would like to follow the path of science and to show them that women can also be awarded prizes.
A few decades from now, if it becomes possible and sate to edit DNA, should we allow parents to improve the IQ and physical strength of their kids? Should we let them decide eye color? Skin color? Height? After helping to discover Crispr, Dr. Doudna has become a leader in considering these moral issues. That's the main message we should take from this Nobel: New technologies can be a huge benefit to the human race, but in order to make sure they are used wisely, it's important for people to understand them.
The year 2020 will mark the beginning of the decade of the yold, or the "young old", as the Japanese call people aged between 65 and 75. The traditional retirement age is 65. One might therefore expect peak retirement. By continuing to work, and staying socially engaged, the yold will change the world, as they have done several times before at different stages of their lives.
The yold are more numerous, healthier and wealthier than previous generations of seniors. The yold are busier, too. In short, the yold are not just any group of old people. They are challenging the traditional expectations of the retired as people who wear slippers and look after the grandchildren. That will influence consumer, service and financial markets.
The over-60s are one of the fastest-growing groups of customers of the airline business. The yold are vital to the tourism industry because they spend much more, when taking a foreign holiday, than younger adults.
But for all this to happen,three big things will have to change, under pressure from the yold themselves. The most important is public attitudes towards older people, and in particular the expectation that the old ought to be putting their feet up and quietly retiring into the background. Then, government policies will have to change, too. The retirement age in many rich countries is still below the age to which many people want to work. The effective retirement age (the age at which people actually leave the workforce) is usually even lower. Third, higher numbers of healthy yold people will require drastic changes in health spending. Most diseases of ageing are best met with prevention and lifestyle changes. But only about 2%~3% of most countries' health-care spending goes on prevention. That will have to rise, because although the yold will constitute a bulge of comparative health and activity over the next decade, by 2030 they will hit 75 and enter a long period of decline for which few rich countries are ready.
Scientists have long sought to prevent sharp memories from dulling with age, but the problem remains unsettled. Now research published in Scientific Reports suggests virtual reality might help older people recall facts and events based on specific details.
The study involved 42 healthy older adults from the San Francisco Bay Area. Half spent a dozen hours over four weeks playing a virtual-reality game called Labyrinth; they wore headsets and walked in place, walking virtual neighborhoods while completing small tasks. The other half, in the control group, used electronic tablets to play games that did not require recalling details. After 15 sessions (期), the latter performed roughly the same as before on a long-term memory test. But the Labyrinth players gain an improvement in memory through the VR game. A scientist Peter Wais of the University of California said the improvements brought them up to the level of another group of younger adults taking the same memory tests.
Meredith Thompson, an education researcher, studies learning through VR games but was not involved in the new study. It would be great to actually follow people over time and see what this type of game does for long-term memory. She says, adding VR can provide greater involvement than other games. Wais's team is now investigating how long the observed effects last and which elements of the training have the most impact.
A cognitive (认知)psychologist, Daniel Simons, who was also not involved in the study, notes experiments with other games that claim to train the brain have often failed to evaluate this. And it remains unclear how test performance in a laboratory setting might translate to real-world situations. The outcome, Simons notes, "needs to be repeated, ideally with a much larger group, before it's treated as a strong finding. "
For now, Wais says, the team hopes its studies with similar-sized groups will help draw funding to test the game in a larger pool of participants.
How to Realize Your True Potential
Every human being, regardless of race, sex, or any other characteristic, e has the incredible capacity to realize their potential. , there are several steps you can make on your path to this realization.
Determine your core values. In order to realize your full potential, you must know and live according to your core values. . Studies suggest that you will find your life more meaningful, and feel a deeper sense of happiness, if you live a life that is in line with what's the most important to you.
Once you have a good idea of your core values and what areas of your life could be, take some time to decide your true potential. Is it personal improvement? More success in your career?
Be patient and kind to yourself More importantly, it will take self-compassion. Acknowledge your strengths and skills as well as the areas in which you need to grow. Honor the efforts you make each day toward realizing your true potential.
Find areas that do not agree with your values. If you don't feel like you're living up to your true potential, it could be because parts of your life are currently not up to your core values. .
A. If you take it for granted.
B. Though it will be no easy task.
C. Decide what your true potential looks like.
D. Determine whether you have set up your final goals.
E. Achieving your true potential will take time and effort.
F. So see whether these are areas in which you like to change.
G. These are the things that shape how you view yourself, others, and the world around you.
Spelling was sort of my superpower. I wasn't a math or science guy, but I could chew and 1 books. "Your word is onomatopoeia," said the announcer. On the stage of "School Bee Competition" (拼字大赛), my brain fast-forwarded to the spelling bee competitions ahead: first the county championship, then the state, and finally the national spelling bee. I glanced back at Alexa, who wanted another chance at 2. If I missed this word, she'd be 3 in the game. But that wouldn't happen. Chin up, shoulders back, I 4 my throat, "O-n-o-m-a-t-o-p-o-e-i-a." I 5 it.
The trophy ( 奖杯 ) was presented to me. I shouted onstage, "I am the alpha-best." Surprisingly, my sister, Deandra, 6 her eyes. "You're a terrible winner." Deandra made a 7 face. "Alex tried to shake your hand but you 8. "
I didn't 9 at all. "Anyway, I won the school bee." "Don't be 10. You'll soon be facing the best of the best in the county bee. "
"Will they 11 me? I am the alpha-best with no efforts at all." After six rounds, the number of students 12 from more than 100 to just seven and I was one in the seven. If I had been given words like aerospace or conical, I'd make 13 already. Unfortunately, I crashed with the word maestro at last. I stood 14 for the longest moment.
The final winner acted the exact 15 of mine. He accepted his 16 with a small bow, and then shook hands with the runner-up (亚军). I got to know Deandra's words 17.
I 18 to Alexa, "I'm sorry I was so impolite when I won." "How was the county bee?" Alexa asked. "A disaster." "If you need a study 19 for next time, I'm happy to help." "Really? Let's 20 on it, partner. "
"Better late than never," Alexa said, shaking my hand.
增加：在缺词处加一个漏字符号（^），并在其下面写出该词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下面划一横线，并在该词下面写出修改后的词。
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生卒年月 |
1911. 12－2009. 10 |
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主要经历及贡献 |
1. 1934年，毕业于上海交通大学； 2. 1935年，就读于麻省理工学院（Massachusetts Institute of Technology）；1936年，进入加州理工学院（California Institute of Technology） 学习，并于1939年获得两个博士学位； 3. 1955年，几经坎坷，返回祖国，毕生致力于科研，被称为"中国航天之父"。 |
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你的感受/评价 |
…… |
注意：1）词数120左右；
2）可适当增加细节，以使行文连贯；
3）参考词汇：the Father of China's space program 中国航天之父
the aerospace industry 航天工业；
4）题目已给出，不计入总词数。
Someone I Admire
