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Chinese tech companies caught the spotlight at the Mobile World Congress in Barcelona, Spain, as they presented 5G phones and creative solutions, 1. (hope) to bring Chinese innovations to the world stage.
It 2. (estimate) that more than 2,400 companies from over 200 countries and regions participated at the event, more than 360 of 3. came from china.
Huawei Technologies Co. 4. (launch) its first 5G foldable smartphone ahead of the congress, the world’s 5. (large) telecom industry gathering. The phone is seen as dealing a major blow to its rivals, Apple Inc and Samsung Electronics Co. It took more than three years for the company to perfect the folding phone’s hinge (合叶), the most 6. (challenge) technical component.
Combining 5G, the foldable screen, artificial intelligence and a brand-new interface, the company hopes that Mate X will be the first key for consumers 7. (open) the door to 5G smart living. Mate X is quite impressive, 8. a sound design showcasing Huawei’s technological breakthroughs against its 9. (compete).
It will, 10., take some time for most consumers to get their hands on such foldable screens.
高二英语语法填空困难题查看答案及解析
Directions: After reading the passage below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.
A new era of computing may be upon us as Google claims its Sycamore computer has achieved quantum supremacy (量子霸权). But what is quantum supremacy, and what does it mean for the future?
Quantum supremacy is a scientific term. It means that a quantum computer has solved a problem that a classical computer would take too much time and energy to do.
1. (publish) in the journal Nature on Oct 23, Google tasked a computer with finding mathematical probabilities of different “events”. The events were specific values from a random number generator. Sycamore successfully picked out strings (系列) of numbers that were 2. (likely) to occur than others, running the test 1 million times in 200 seconds.
In their research, Google claims that the world’s best supercomputer would have taken 10,000 years 3.(solve) the same problem. However, Google’s claims were questioned by rival company IBM, who argued the same test 4. have been completed in 2.5 days by its Summit supercomputer.
What is quantum computing? The major difference between quantum and classic computers is in how they record and transmit information. Classic computers, from your laptop to your phone to a NASA supercomputer, use bits. Each bit has a state of either zero or one (on or off) and completes each operation one-at-a-time.
However, quantum computers, like Google’s Sycamore, use quantum bits – called qubits (量子位). These can be both zero and one at the same time, allowing them to hold more data and work together to solve problems simultaneously.
Google’s experiment has been applauded 5. a major breakthrough. It is a stepping-stone toward a big dream.
Currently, quantum computers are within the next decade. Tech reporter Jacob Ward told NBC News, “This could revolutionize our every little real-world value, but that can all change whole lives. We’re talking about the development of new medicines, materials, artificial intelligence, all of which, right now, 6. (depend) on a very limited language of computing.?”
While quantum may not be close to 7. (change) our everyday lives right now, it has been compared to the first rocket to reach space. It may be a generation 8. quantum computers become mainstream, so who can say what humans might achieve with the new technology?
高二英语语法填空困难题查看答案及解析
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3D printing and virtual reality are cool, but when are we going to be able to clone ourselves? It'd be fantastic for1.（we）to send our clone off to school or work and sit back and do2.we really want to do. There have been important advances in cloning in the last several decades, leading to the3.（success）cloning of various animals. So far, however, there4.（be）no human clones.
In large part, cloning has been5.victim of pop culture to the degree that the general public has grand notions of what it will be like. There is no6.（possible）of cloning a grown version of ourselves in a matter of hours or days（like you see in the movies）.
7.（general）, we already have the tools to make cloning happen today; we just have some moral problems 8.（overcome）before the world won't raise major alarms at scientists cloning someone. That leaves the question 9.us then, the general public, do you think cloning is okay? Would you clone a lost loved one to bring them back, or if you found yourself unable to have kids, would you clone yourself? These are the questions we must answer first before we succeed in10.（create） human clones.
高二英语语法填空困难题查看答案及解析
Chinese President Xi Jinping issued a tough line on national sovereignty (主权) on Tuesday,1. (say) China will never permit the 2. (lose) of any piece of its land to outsiders. In a warning to its border nations, President Xi added 3. China would never swallow the bitter fruit of damage. The Presidents declaration 4. (come) during a nearly one-hour speech mailing the 90th anniversary of the founding of the Peopled Liberation Army.
“The Chinese people treasure peace and we 5. (absolute) do not engage in invasion and expansion.6., we have the confidence to conquer all forms of invasion t w Xi told government 7. (leader) and current and retired PLA members.
“We absolutely will not permit any person, any organization, any 8. ( politics) party at any time, in any form 9. (separate) any piece of Chinese territory from China,” Xi said to applause.
“No one should expect us to swallow the bitter fruit of damage to our sovereignty, security and development interests.”
Xi didn’t refer 10. any specific conflicts or disputes during his address.
高二英语语法填空困难题查看答案及解析
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China's first Mars exploration mission (任务) has been named Tianwen-1, announced the China National Space Administration (CNSA) on Friday, China's Space Day.
The name comes from the poem Tianwen, 1. (write) by Qu Yuan, meaning Questions to Heaven. In Tianwen, Qu Yuan raised a series of questions involving natural phenomena, myths and the real world,.2. showed his doubts about some 3. (tradition) concepts and the spirit of seeking the truth. CNSA said, “all of China’s planetary exploration missions in the future 4.(name) the Tianwen series, representing the Chinese nation's perseverance in exploring nature and the universe.”
China plans to launch the Mars probe in 2020, 5.(aim) to complete orbiting, landing and roving (巡视，漫游) in one mission.
Since 2016, China has set April 24 6. the country's Space Day 7.(mark) the launch of its first satellite into space on April 24, 1970.The various activities on Space Day have become.8. window for the Chinese public and the world to get a 9.(good) understanding of China’s aerospace progress.
Zhang Kejian, head of CNSA, said that over the past 50 years, Chinese space engineers and scientists have overcome various difficulties and achieved aerospace development through self-reliance and independent innovation(创新). He said CNSA is willing to work together with the international community to make new and greater 10. (contribute) to exploring the mysteries of the universe.
高二英语语法填空困难题查看答案及解析
Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.
England became England, the land of English-speaking people, at the beginning of the Middle Ages. 1. that it had been the home of Iron Age Tribes known as Celts, and for a time, part of the Roman Empire. Then beginning in the 400s AD, tribes from the north, known as the angles, the Saxons, and the Jutes, 2. (move) in.
The most famous leader of this time period in England was Alfred the Great. Alfred lived in Wessex, the kingdom of the West Saxons, which 3. (locate) in the southern part of England. He was a good leader 4. made his kingdom stronger. He created a system of defenses (防御), 5. (call) burhs, across the country. He reorganized the army so that his men 6. have time to fight and time to farm. Alfred s efforts protected his people from the Vikings and allowed Wessex to grow. Eventually the rulers of Wessex would rule all of England.
Alfred also made other improvements. He made laws for his people. He encouraged learning and translated several important books 7. his Saxon language. This was 8. modern people think of as the start of the language we call English today.
Two important pieces of literature from that time period are the anglo-Saxon Chronicle and Beowulf, both 9. (write) in old English. Old English lasted through most of the Middle Ages. Middle English came in during the late Middle ages and modern english began about the time of the renaissance.
England and English got their names, not from the Saxons, but from one of the other tribes, and Angles. The original name of England must have been 10. like Angle-land (only in old English of course).
高二英语语法填空困难题查看答案及解析
阅读下面材料，在空白处填入适当的内容(不多于 1 个单词)或括号内单词的正确形式。
China's first documentary on1.(it) overall counter-terrorism(反恐) efforts in Xinjiang aired Thursday night2.(cause) wide discussions among the audience with never-seen-before real crime scenes of terrorism,3. highlighted the high prices China has paid and the country's resolution in wiping off terrorism.
A lot of the video and audio clips in the English-language documentary 4.(make) public for the first time as solid evidence of the horrible crimes 5.(commit) by terrorists in Xinjiang. It also revealed hard evidence of interactions 6. terrorists and overseas masterminds(幕后策划者).
''The authorities did not publish the video and details of terrorist7.(attack) in Xinjiang before, out of concern that they may cause panic. This proves China had paid a high price in fighting terrorism before, and the international community should have 8. clear understanding of this, '' Li Wei, a counter-terrorism expert said.
Li noted that the video and audio films justify China's Xinjiang policies in countering terrorism, including 9.(start) the vocational education and training centers, which have been10. (high) effective in fighting extremist forces.
高二英语语法填空困难题查看答案及解析
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。
If you get injured in a sport, what should you do? The best way 1.（deal）with sports injuries is to keep them from happening in the first place. Knowing the rules of the game and using the right2.（equip）can help you preventing injuries. If you’ve got injured，pull 3.（you）out the game or stop doing your activity.Let a coach or parent know what4.（happen）in case you need to see a doctor.Serious head and neck injuries happen most often in athletes 5.play sports like football.Keep the injured person still with his or her head 6.（hold）straight while someone calls for medical help.If the person 7.（lie）on the ground, do not try to move him or her.
Your first question after a sports injury will 8.(probable) be, “When can I play again?” This depends on the injury and 9. your doctor tells you. Even if you can’t return to your sport right away,a doctor might have advice on what you can do to stay healthy. Always talk with your doctor10. trying any activity following an injury.
高二英语语法填空困难题查看答案及解析
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
These days, people 1. (do) manual work often receive far more money 2. clerks who work in offices. People who work in offices are frequently 3.(refer) to as 'white-collar workers' for the simple reason 4. they usually wear a collar and tie to go to work. 5. is human nature, that a great many people are often willing to sacrifice higher pay 6. the privilege of becoming white collar workers. This can give rise to curious situations, 7. it did in the case of Alfred Bloggs who worked as a dustman for the Ellesmere Corporation. When he got married, Alf was too 8.(embarrass) to say anything to his wife about his job. He 9.(simple) told her that he worked for the Corporation. Every morning, he left home 10.(dress) in a smart black suit.
高二英语语法填空困难题查看答案及解析
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式（不超过3个单词）
I was always told that the three Ps, patience, positive thinking and perseverance（毅力），were a sure path 1. success. But this advice does not always work as planned. My high school math 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 math 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 quickly changed when I saw 6. first question. I had no idea how to do it. I tried to stay 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!
高二英语语法填空困难题查看答案及解析