1 . 语法填空。

It used to be impossible to spend a long winter holiday. But now, though the winter vacation has been over, it’s still necessary     1     me to stay at home because of my illness. As people say, being left alone all day can drive a man crazy. A couple of weeks ago my parents invited a teacher     2    (give) me lessons online.

At first, I didn’t know how     3    (take) classes through the Internet. Now I have got used to my teacher and the situation. Before class I go online waiting for my teacher to come, for it is terribly rude     4     a student to come late. In each class, the teacher teaches me     5     to do and how to do it. After class I finish my homework.     6    (be) honest, although I study relatively hard, the result isn’t as good as in school. Yesterday I failed to pass the exam, which made my teacher very disappointed. However,     7    (attend) classes at home is a comfort for me.

    8     to go to school is unknown, as no one knows how long it will be before I completely recover. But I believe, now that the winter is over and the spring has come, the school day is not far away. I believe that I will treasure my time     9    (be) at school and work even harder. I also believe in the future I will become another Zhong Nanshan, who is surely     10    (shoulder) the responsibility of protecting people’s lives and health.

2 . Zhang Sanfeng, a 13th-century Taoist, was said ________(invent) tai chi after drawing inspiration from a fight between a snake and a bird. (所给词的适当形式填空)

3 . 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。

A new study reveals that plants have their own “ bedtime alarm clock ” that helps them survive the night. Researchers at the University of York have discovered that plants possess an internal signal which they believe tells them     1     amount of sugar they have in their systems at dusk. Plants use sunlight to make     2     ( they ) own sugars from photosynthesis (光合作用）during the day and store them to provide energy during the night.

Plants’ ability to predict sunrise and estimate the     3     ( long ) of the night, as well as adjust metabolism (新陈代谢),     4     ( depend ) on a biological time-keeper called a circadian clock. This is a network of genes which drives rhythms of     5     ( rough ) 24 hours. Biologists think it is this signal, or so-called “ alarm ” ,     6     gives plants the information they need to adjust their metabolism in the dark nighttime hours to stay alive.

The researchers discovered a set of genes     7     ( regulate ) by the chemical compound superoxide, which     8     ( associate ) with metabolic activity. And they found by stopping the production of superoxide, they also stopped the effect of sugar     9     these circadian clock genes in the evening,     10     ( reveal ) the plants’ so-called “ alarm ” .

4 . 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。

Chinese astronauts on December 9th, 2021 beamed back a science lesson from the country’s under-construction space station. Students from five cities, including Beijing and Hong Kong, peppered the astronauts with questions about living conditions in space and     1     (treat) to a virtual tour of the station. The event was also open to the public through a livestream.

Wang Yaping,     2     only woman aboard the station, served as the main     3     (instruct), while Ye Guangfu assisted and commander-in-chief Zhai Zhigang worked the camera. Wang had taught a similar lesson while aboard one of China’s earlier experimental stations in 2013.

The three arrived at the station in October, 2021 for a six-month stay,     4     (charge) mainly with preparing the main Tianhe module for the arrival of two     5       (addition) modules named Mengtian and Wentian ahead of completion by the end of 2022.

Their Shenzhou-13 mission is China’s     6     (long) since it first put a human in space in 2003,becoming only the third country to do so after Russia and the U. S.

The three are the second crew on the permanent station,     7     upon completion will weigh about 66 tons, much smaller than the International Space Station, which launched its first module in 1998 and     8     (weigh) around 450 tons.

Along with installing equipment in preparation     9     the station’s expansion, the crew is assessing living conditions in the Tianhe module,     10     (perform) experiments in space medicine and other areas.

5 . 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。

A new competition has been added to the calendar of world sports events—the Balloon World Cup. We are all familiar     1     the “sport” of keeping balloon up. Most of us have joined in the decades—old pastime of     2     (keep) a balloon up in the air without letting it touch the floor. Spanish soccer star Gerard Pique loved this so much     3     he developed it into an international event. The first Balloon World Cup     4     (hold) in Spain on Thursday. Peru's Francesco de la Cruz was the very first man     5    (win) world champion. He defeated Germany's Jan Spiess in the final with a 6-2 victory.

Mr. Pique got his     6     (inspire) for the tournament from Tik Tok videos that went popular. He loved watching clips of the game     7     (play) by an American family during the COVID-19 lockdown. It then developed from the family's living room into a “Keep-Up Balloon League”. Pique then made the game global. The contests took place on an 8m x 8m court,       8     contained living room furniture as     9     (obstacle). Teams from 32 countries participated. Pique said, “It's something     10     (total) different. Sometimes you have to get out of your comfort zone and try new things.” There are hopes that it could become an Olympics event.

6 . 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。

After four years of recovery, Jiuzhaigou     1       (full) reopened to visitors on Sep. 28th, 2021.

Jiuzhaigou, whose name is derived from the nine Tibetan villages there,       2       (locate) in Jiuzhai county, Sichuan province and covers an area of more than 60,000 hectares. There are three major valleys in Jiuzhaigou, and each of them     3       (have) an altitude higher than 2,000 meters. It is a well-known fairyland     4     features snowy peaks, spectacular waterfalls, colorful forests, jade sea and Zang customs. Because of its diversity in natural scenery, it was listed as     5     UNESCO world heritage site in 1992.

The scenic area is a world of crystal lakes     6     colors of white, blue, green, turquoise or emerald, bringing Jiuzhaigou its most fascinating view. Besides these magical lakes, it has China’s     7       (wide) waterfall—Nuorilang Waterfall, with a width of 270 meters. Jiuzhaigou is also home to 3,634 species of plants and animals like giant pandas and golden snub-nosed monkeys,       8       (win) the reputation of an “earthly paradise”.

Nowadays, the scenic spot has regained its former glamour. Tourism support     9       (facility) have been improved to better provide services to travelers. Jiuzhaigou county has also been trying     10       (offer) visitors a more diversified tourism experience.

7 . 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。

Hou Changliang volunteered to teach at Xiangyang Primary School in a remote village of Yunnan province in August 2017. Before that, the local government attempted     1     (close) the school due to inadequate (不足的) teacher supply. There     2     (be) just three temporary teachers for about 100 students across four classes. Shutting down the school meant that the students would have to go to another school far from     3     (they) homes. Hou’s     4     (arrive) helped keep the school open.

It is the third village school     5     Hou, 34, has taught since he graduated from university. Before Xiangyang Primary School, he     6     (teach) in Hechi, Guangxi Zhuang autonomous region (自治区), for four years, and in Bijie, Guizhou province, for two years. “The longer I stayed in the countryside, the deeper I understood the     7     (challenge) in rural education. Rural schools need teachers,     8     (especial) good ones.” Hou says.

    9     a volunteer teacher, he holds the firm belief that a good teacher can make     10     real difference in a student’s life and can even change a village.

8 . 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。

As winter vacation     1    （approach），many teenagers are planning their holiday work-out schedule．It seems like teens have realized that exercise is one of the easiest and most     2    （benefit）ways that they can be energetic and protect themselves     3    a number of diseases when growing old．

There are a wide range of sports teens can do．    4    （improve）heart and lung efficiency, jogging and swimming sound like smart     5    （choose）．When doing strength training like pull-ups and weightlifting，one’s muscle strength is increased，and bones get developed．Besides，teens can take courses     6    （design）for young people，including boxing or Hip-Pop dancing．

Apart from doing sports     7    are suitable for teens，a balanced diet and adequate sleep     8    （be）also significant．Since it takes both a strong body and sound mind to     9    （full）realize one’s potential，please take full advantage of this winter vacation，    10    recharge your battery for the new term!

9 . 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。

There     1    （be）countless things that can influence your sleep．However，there's one surprising factor that could be affecting your sleep：the paint of color in your bedroom．According     2     a new survey，painting your bedroom a color that's too bright or even too dark influences your sleep．

Different colors can set different     3    （mood）in your space，some of     4    may not be favorable to sleep．If you want your bedroom to be more calming，you'd     5    （good）explore neutrals（中和色），light greens，and golds．As is described in the survey，dramatic colors like “bright reds，deep browns，and even olive greens” are less likely     6    （leave）you feeling bright-eyed in the morning．Besides，having too dark a room may not keep you up at night，    7     it can damage your energy upon     8    （wake）．On the other hand，a bright color should be avoided in the bedroom because it has the potential to interrupt sleep and promote activity rather than relaxation．

Anyway，that doesn't mean that dramatic colors have to be off the table     9    （entire）．But remember：when you decorate your rooms，choosing the right color is    10     must．

10 . 阅读下面材料, 在空白处填入适当的内容（一个单词）或括号内单词的正确形式。

Kim Cobb, a professor at the Georgia Institute of Technology in Atlanta, is one of a small but growing minority of academics     1     are cutting back on their air travel because of climate change. Travelling to conferences, lectures, workshops, and the like frequently by plane       2    （view） as important for scientists to get together and exchange information. But Cobb and others     3     （be） now questioning that idea pushing conferences to provide more chances to participate remotely, and     4    （change） their personal behavior to do their part in dealing with the climate change crisis. On a website called No Fly Climate Sci, for example,     5    （rough） 200 academics - many of them climate scientists     6     （promise） to fly as little as possible since the effort started two years ago.

Cobb, for her part, started to ask conference organizers who invited her to speak     7     she could do so remotely; about three-quarters of     8     time, they agreed. When the answer, was no, she, declined the     9     （invite）. That approach brought Cobb's air travel last year down by 75%, and she plans     10    （continue） the practice. "It has been fairly rewarding. ", she says, "a really positive change."