假定你是李华，你的英国朋友Frank来信询问你的寒假生活情况。请根据以下要点给他回信：
1. 由于冠状病毒病爆发，假期被迫延长；
2. 寒假生活（在线上课、读书、锻炼身体等）；
3. 期盼开学。
注意：
1. 词数80左右；
2. 可以适当增加细节，以使行文连贯；
3. 信的开头已为你写好。
参考词汇：冠状病毒病COVID-19
Dear Frank,
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Yours,
Li Hua
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。
The wildfires in Australia became considerably worse in January, 2020. The disaster faced by 1.country is far from over. Many of the fires 2. (send) smoke high into the atmosphere and some smoke turned into pyrocumulonimbus clouds. The clouds can help a fire draw in more air and shift surface winds, 3. (result) in fire tornadoes (龙卷风). Fires have destroyed habitats for animals that 4.(find) only in Australia, including koalas and rare birds. It will take time to fully know how much harm the fires have done 5. wildlife. The wildfires are expected 6. (continue) burning for months as Australia entered its dry season.
This past year, 2019, is the hottest and driest year on record. Fires happen 7.(regular) during the Australian dry season. However, climate and natural changes are making the situation 8. (bad). At least 12 million acres have been burned so far in Victoria and New South Wales alone. Smoke from the fires has made 9.to South
America. There is so much smoke that it may stay in the air for months, 10. could have a small effect on the planet’s climate.
As the temperature approached as high as 90 °F last July 4th, three police officers went into a Foods Market to get something _______ to drink. Once inside, they were asked by a security guard to help with a _______ woman. The woman in question was obviously _______, and her cheeks were wet with tears. The officers looked inside her bag. All they saw were containers of _______.
“I’m hungry,” she explained _______. Caught red-handed, the woman no doubt expected to be treated as a _______. But the police had other _______. “We’ll pay for her food.” One of them told the _______ security guard. She would not be _______.
Drying her wet __________, the woman repeated, “Thank you, thank you.” She wasn’t the only one touched by this act of __________. Customers at the store were so impressed by what they’d __________ that some even posted a photo on Twitter. __________, attention was never what the officers sought. They were __________ by a far more common emotion. When we look at someone’s face and see that they need you, it’s pretty __________ as a human being to walk away from something like this.
1.A.safe B.sweet C.clean D.cold
2.A.wounded B.suspected C.reported D.wronged
3.A.scared B.disappointed C.puzzled D.annoyed
4.A.clothes B.medicine C.toys D.food
5.A.politely B.loudly C.seriously D.helplessly
6.A.thief B.beggar C.victim D.customer
7.A.facts B.secrets C.ideas D.reasons
8.A.rude B.surprised C.patient D.embarrassed
9.A.arrested B.employed C.kept D.doubted
10.A.bag B.hands C.packet D.cheeks
11.A.caution B.sympathy C.justice D.faith
12.A.ignored B.expected C.witnessed D.recognized
13.A.However B.Therefore C.Besides D.Instead
14.A.attracted B.controlled C.required D.driven
15.A.typical B.amazing C.difficult D.silly
Handwriting is quickly becoming a dying art. Few businesses can run nowadays without computers. 1. Researchers from Princeton University conducted a study to demonstrate the differences between students who wrote out their notes and those who typed notes on a lecture. 2. Participants were tested on the material 30 minutes after the lecture and again a week later. And handwriting emerged as the champion.
3. The typers had a significant edge when it came to note-taking efficiency. The typers could copy down significantly many more words than the writers, sometimes even transcribing the contents of the lecture word-for-word.
But while more of the lecture's content was retained (保留) on paper when typing, it wasn’t necessarily retained in participants’ heads. 4. On the test 30 minutes after the lecture, typers and writers did more or less equally well on questions about the basic facts of the lecture, but typers fell behind when it came to more conceptual questions.
As for the later quiz, the results were similar. Students with handwritten notes were able to remember and still understand the concepts of the lecture after a week had passed. These participants were also more open to understanding new ideas. 5.
A.The tests that the participants took proved this.
B.The efficiency of handwriting might best benefit you.
C.That’s not to say that typing doesn't have its benefits.
D.In this study, the laptops were only used to take notes.
E.Generally speaking, typing also has its own disadvantages.
F.But what are we losing as handwriting loses its significance in society?
G.Clearly, writing by hand is one of the things that can make you smarter.
Scientists have developed a new type of smart bandage (绷带) that can signal the type of bacterial (细菌的) infection it’s protecting, just like a traffic light, as well as release the right type of drugs on demand. The traffic light system works just like this: Green means no bacteria or a low concentration of bacteria, yellow means drug-sensitive (DS) bacteria responsive to standard antibiotics (抗生素) and causes antibiotic release, and red means drug-resistant (DR) bacteria that need extra help to be wiped out.
In testing the bandage on mice, the research team was able to successfully treat both DS and DR infections using the new method. However, the common methods of sensing resistance are limited by time, the requirement for professional personnel, and expensive instruments. Moreover, the abuse of antibiotics causes the accelerated process of bacterial resistance.
It’s easy to see how a simple bandage and light could overcome some of these limitations. Treatment doesn’t have to wait for a doctor to make a diagnosis, and the bandage can get the right sort of drugs applied at the earliest opportunity. What’s more, the person wearing the bandage gets real-time feedback on what’s happening with the infection, if there’s an infection at all. The researchers say it offers numerous benefits over existing treatments that make use of light, including photodynamic therapy or PDT.
We’ve been seeing quite a few upgrades to the traditional bandage in recent years, thanks to advances in science — like the nanofiber mesh that attracts bacteria and draws some of it out, speeding up the healing process. Then there’s the novel bandage for treating burns, which stops bacteria from multiplying and lowers the risk of infection.
The more work that a bandage can do while it’s protecting a wound, the better. Efforts to improve bandages continue and now we've got a bandage that not only releases antibiotics, but also tells the patient exactly what’s going on too.
1.What is the smart bandage mainly designed to do?
A.Avoid the use of antibiotics. B.Clear out harmful bacteria.
C.Detect bacterial infections. D.Increase treatment options.
2.What is the advantage of the smart bandage?
A.It saves much time and cost. B.It removes the risk of infection.
C.It prevents the bacterial resistance. D.It improves doctor-patient relationship.
3.What can be inferred from the last two paragraphs?
A.Traditional bandages are out of use now.
B.More smart bandages will be developed.
C.Progress in science calls for more research.
D.People are urged to study medical science.
4.What does the text focus on?
A.A successful test on mice. B.A colour-changing bandage.
C.Sensing drug-resistant bacteria. D.Preventing abuse of antibiotics.
Like clockwork, nearly every fourth February includes one extra day. February 29th, otherwise known as Leap Day, isn’t exactly a holiday. Instead, it’s there to keep your calendar consistent with the earth’s rotation (旋转) around the sun.
According to History, com, Roman emperor Julius Caesar is the “father” of Leap Year. Until he came along, people used a 355-day calendar, which was 10.25 days shorter than the solar year. Roman officials were supposed add an extra month every now and then to keep the seasons exactly where they should be. But that didn’t work out all that well. When special occasions started shifting into different seasons around 45 BCE, Caesar consulted with astronomers and decreed (下令) that the empire should use a 12-month, 365-day calendar, which he named after himself, Caesar’s Julian calendar included a Leap Day every four years.
Though Leap Day keeps your calendar in line with the earth’s rotation around the sun, it causes a different kind of problem for leapsters. When should these February 29th babies celebrate their birthdays during the other three-quarters of their lives? Some party on February 28th, while others prefer a two-day celebration that spans the last day of February and the first day of March.
Leap Day can be a nuisance in the legal system. In 2006, a court in Massachusetts was deciding whether criminal John Melo could be released a day early since his 10-year sentence included a Leap Day. In the case, the judge decided that since the man was sentenced to prison for years, not days. Leap Day didn’t make a bit of difference.
Though a few timekeepers have pushed for calendars that don’t include Leap Day, almost all astronomers and societies agree that Leap Day is the best method to keep the calendar on track.
1.Why was Leap Day created?
A.To celebrate special occasions. B.To honor Emperor Julius Caesar.
C.To keep pace with the solar year. D.To keep track of all the seasons.
2.What is the problem with the birthday celebration of February 29th babies?
A.It is sometimes delayed. B.It lasts at least two days.
C.It has to be held every other year. D.It may take place on different dates.
3.What does the underlined word “nuisance” in Paragraph 4 mean?
A.Joke. B.Topic.
C.Trouble. D.Mistake.
4.what is the attitude of most astronomers towards Leap Day?
A.Critical. B.Supportive.
C.Doubtful. D.Cautious.
