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A Chinese company says it has created a new facial recognition system that can identify people even if they 1. (wear) masks. Engineers at Hanwang Technology Ltd. say their system is the first to be created to 2. (effective) identify people wearing face masks.
Hanwang is now selling two main 3. (kind) of products that use the new technology. One performs “single channel” recognition, which is designed to be used at the 4. (enter) to buildings. The other product is a “multi-channel” recognition system, which can identify individuals in 5. crowd of up to 30 people “within a second” by 6. (use) groups of surveillance (监控) cameras. When people wear a mask, the recognition rate can reach about 95%. And the system’s success rate for people not wearing a mask 7. (be) about 99. 5%.
8. was not immediately clear how Chinese citizens were reacting to the new technology. The Chinese government has already been using other surveillance tools in the fight against the new coronavirus (新冠肺炎). 9. some citizens have expressed opposition to such tools, many others seem to have accepted the methods as a way 10. (deal) with the current health emergency.
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Kofi Atta Annan, former Secretary General of the United Nations and the winner of Nobel Peace Prize died 1. the age of 80. Annan, who was born in Ghana in 1938, served as the 2.(seven) UN Secretary-General, from 1997 to 2006, and was the first 3. (rise) from within the ranks of the United Nations staff. Annan 4.( award) the Nobel Peace Prize jointly with the United Nations in 2001 for their work for a better organized and more easeful world.
Annan was the chief architect of 5. became known as the Millennium Development Goals, and played a central role in 6.( create) The Global Fund to Fight AIDS, Tuberculosis and Malaria and the UN' s first counter-terrorism strategy.
Annan kept connections to many international 7.( organize). He was president of the University of Ghana, a fellow at New York 's Columbia University, and the professor at the Lee Kuan Yew School of Public Policy in Singapore.
Former President George W. Bush released 8. statement saying, " Laura and I send our sympathies to Nane and the Annan family on the passing of Kofi Annan. He was a gentle man and a 9. (tire) leader of the United Nations. 10. (he) voice of experience will be missed around the world."
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Former First Lady Michelle Obama’s memoir (回忆录) Becoming has become the best-selling book 1. ( publish) this year in the US just 15 days after publication. The sales figure ( two million copies)2. (announce) by Penguin Random House last Friday.
Becoming mainly tells the story about 3. Michelle has balanced work and family 4. a professional woman. The book is 5. window into the personal life of the first African-American First Lady and the first black US President. About marriage, Michelle mentions, “I married a creative thinker, and I had to remind 6.(I) that we were adapting to each other to make two individuals a solid, permanent us.” In the memoir, Michelle speaks 7. (honest) of difficulties she met with in her life. The 54-year-old also criticizes (批评) US President Donald Trump, 8. (write) that she can “never forgive” him. That’s because during his presidential campaign. Trump’s “birther” theory that Michelle’s husband was not born in the US 9. therefore was not a legal President put her family’s 10. (safe) at risk.
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More than half of former host cities for the Winter Olympics will be too hot1.(deal)with such games by the end of this century. That is the prediction of a recent study.
It's not just the Olympics that2.(be) at risk now. “The world of winter sports is changing as the global climate continues warming,”says Daniel Scott,3.climate-change researcher in Canada. He led a team of researchers,4.used math to predict how winter conditions will have changed by February 2050 and 2080. February is the month when the Olympic winter games are5.(typical) played．
Scott and his team forecast temperatures and snow cover for the 19 cities that have already hosted Winter Olympics, and two6.(addition) cities: PyeongChang, South Korea，and Beijing, China, where the 2022 Winter Olympics will be held.
Scott’s team7.(start) with looking at historic winter conditions, and then used computer models to predict conditions in the future.8.( they) model predicted that by2050，the average February temperatures in past Winter Olympic host cities will rise by 1.9 9.2.1 degrees Celsius. These temperatures can affect the quality of snow, thus10.（increase)the chance of accidents.
高三英语语法填空中等难度题查看答案及解析
阅读下面短文，在空白处填入1 个适当的单词或括号内单词的正确形式。
More than half of former host cities for the Winter Olympics will be too hot 1. (deal) with such games by the end of this century. That is the 2. (predict) of a recent study.
It's not just the Olympics that are at risk now. ''The world of winter sports is changing as the global climate continues warming, '' says Daniel Scott, 3. climate-change researcher in Canada. He led a team of researchers, 4. used math to predict how winter conditions will have changed by February 2050 and 2080. February is the month when the Olympic winter games are 5. (typical) played．
Scott and his team forecast temperatures and snow cover for the 19 cities that have already hosted Winter Olympics, and two 6. (addition) cities: PyeongChang, South Korea,and Beijing, China, where the 2022 Winter Olympics will be held.
Scott's team 7. (begin) with looking at historic winter conditions, and then used computer models to predict conditions in the future. 8. (they) model predicted that by 2050, the average February temperatures in past Winter Olympic host cities will rise by 1.9 9. 2.1 degrees Celsius. These temperatures can affect the quality of snow, thus 10. (increase) the chance of accidents.
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I was always told that the three Ps, patience , positive thinking and perseverance , were a sure path 1.success .But this advice does not always work as planned .My high school maths exam is one example .The exam , 2. was originally to be held in our classroom , 3._(change)to the library at the last minute .This , _4., didn’t bother me because maths had always been my strongest subject .I patiently walked to the library , took my seat and did some deep breathing to help relax 5._.But my mood changed quickly when I saw the first question .I had no idea how to do it .I tried to stay 6._ (positive ) and persevered _7. I finally found the solution .With the problem _8._ (solve),I felt proud of my achievement ._ 9._(fortunate), I then noticed that I had just 10 minutes left 10._(complete) the rest.
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语法填空
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Spending more than an hour on your smart phone each day may be a sign that you are suffering from depression, 1. new study has suggested. The more time is spent 2. (use) a phone for any reason including texting and going online, the more likely volunteers were 3. have the blues .
Monitoring people’s comings and 4. (go) using GPS tracking on their phones also helped track mood. Spending most of your time at home was also 5. (link) to depression, as was having an/a 6. (regular) daily schedule, such as unusual shift patterns. “ 7. people are depressed, they tend to withdraw and don’t have the motivation and energy to go out and do things, ” said senior author David Mohr. “ The data _8. showed depressed people tended not to go many places 9. (reflect) the loss of motivation seen in depression ”
“The significance of this is that we can detect if a person has depressive symptoms and the severity of those symptoms 10. asking them any questions . Phones can provide data obviously and with no effort on the part of the users . ”
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Traditional Chinese Wedding
Traditional Chinese wedding customs have been around for thousands of years. They may vary from place to place and time to time, but have been holding 1. important position in the lives of Chinese people, 2. (cause) a far-reaching impact on the way the Chinese lead their lives. The traditional Chinese marriage usually 3. ( involve) some necessary procedures, such as match-making, engagement, meeting the bride, and three bows. 4. Addition, a typical Chinese wedding nowadays goes like this: when a new couple in engaged, what follows is a 5. (choose) of the date of their marriage. Most people would favour a bank holiday or special Chinese festival for their relatives and friends 6. (attend) the wedding. However, quite a few others, especially those in the countryside, would fix a lucky date so 7. their marriage would have “Double Happiness”. The wedding ceremony is usually hosted 8. (warm), and the wedding ceremony very often ends with a very great banquet. Toasts 9. (make) to wish the new couple long life, everlasting love and happiness, early birth of a 10. (health) baby and so on.
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The International Olympic Committee took the extraordinary step Tuesday of 1. (postpone) the 2020 Tokyo Games, which 2.(schedule) to start on July 24, because of the coronavirus outbreak.
Just how extraordinary was the step? This marks only the 3.(four) time since the first modern Olympics in 1896 that the Games have been affected 4.outside forces. The other three occasions were cancellations during the first and second World Wars. So this is the first time the Olympics have been postponed, rather than5.(cancel).
“The Tokyo Olympics will still be held,” Japanese Prime Minister Shinzo Abe told reporters in Tokyo after a call with International Olympic Committee President Thomas Bach on 6.matter.
The IOC later said in a 7.(state) that the Games will be “rescheduled to a date beyond 2020 but not 8.(late) than 2021!”
This time around, it’s a pandemic(疫情), not a war, 9. is changing the Olympics schedule. The IOC said that “The leaders agreed that the Olympic Games in Tokyo could stand as a beacon of hope to the world during these times and that the Olympic flame could become the light at the end of the tunnel in which the world finds 10.(it) at present.”
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China has recently published its first artificial intelligence （Al） textbook for high school students, following a plan1.（include） Al courses in primary and secondary schools by central government last year.
Under the joint efforts by the research center for MOOC at East China Normal University and Al startup Sense Time Group, the nine-chapter textbook,2. (name) Fundamentals of Artificial Intelligence, was written by outstanding scholars from well-known 3. (school) nationwide, Xinhua reported on Sunday.
It includes the history of Al and how the technology can 4.(apply) in areas such as facial recognition, auto driving and public security. “The textbook focuses not only on basics of Al, but also on 5.(practice) use of Al in daily life," said Chen Yukun, a professor at East China Normal University,6.is also a contributor to the book. So far, about 40 high schools across the country 7. (join) the first group of Al high education pilot program 8. introducing the textbook in curriculum.
“The Al sector is facing a talent shortage 9. . (global). The publication of the book is 10. breakthrough as it takes Al technology out of the ‘ivory tower' and makes it part of high school learning, said Lin Dahua, a professor at the Chinese University of Hong Kong.
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The International Olympic Committee took the extraordinary step Tuesday of postponing the 2020 Tokyo Games, which were scheduled1.（launch）on July 24, because of2.coronavirus outbreak.
Just how extraordinary was this step? This3.（mark）only the fourth time since the first modem Olympics were held in 1896 that the Games have been4.（complete）affected by outside forces. The other three occasions were cancellations during the First and Second World5.（war）.
So this is the first time the Olympics6.（postpone）, rather than canceled.
"The Tokyo Olympics will not be canceled, "Japanese Prime Minister Shinzo Abe told reporters in Tokyo after a call with International Olympic Committee President Thomas Bach on the matter.
The IOC also announced in a7.（state）that the Games will be rescheduled to a date beyond 2020 but not8.（late）than summer 2021.
It is a pandemic（疫情）, not a war, 9.is changing the Olympics schedule. The IOC said, "The Olympic Games in Tokyo could stand as a beacon of hope to the world during these troubled times. The Olympic flame could become the light at the end of the tunnel, in which the world finds itself 10.present."
高三英语语法填空中等难度题查看答案及解析