Normally, my two-year old cat, Tiger, hates it when I use my tablet (平板电脑) because it takes my attention away from him. July last year, I had    1     terrible fall from the ladder(梯) at home and was on the floor for six     2    (hour). During this time, I was     3    (able) to move and couldn’t get to the phone to call for help. Tiger stayed by my side until he    4    (disappear) suddenly under my bed. “What’s he up to?” I wondered.     5    my surprise, he started to push something towards me. It was my tablet,     6     had fallen off the bed and onto the floor. Tiger     7    (probable) didn’t know what it was,     8    he knew it would make me happy.

Thanks to Tiger, I was able to contact a friend of     9    (I), who then called emergency(急救) services. It took me the next eight days in hospital     10    (recover). When I returned home, I bought Tiger a big fish to thank him.

Freestyle skier Gu Ailing, 18, is one of the     1     (superstar) of the 2022 Beijing Winter Olympic Games.

Born to an American father and a Chinese mother, Gu decided to compete     2     China in the 2022 Winter Olympics in June 2019. Just two months later, she bagged her first gold medal for China at the Australia New Zealand Cup. Her strength continued to grow as she     3     (win) one bronze (铜 牌) and two gold medals at the International Ski Federation (FIS) Snowboard and Freeski World Championships in March.

People say she is     4     (talent). But Gu says that talent counted for “only 1 percent" of her wins,     5     (add) that her hard work is what counts. While going to school in San Francisco, Gu could only practice on weekends. She spent eight hours going to the ski hill and back, doing her homework on the way and making full use of her time at the hill     6     (practice) skiing.

Gu said she wants to encourage more girls in China to try skiing and other extreme sports, many of     7     have only been known there for 20 years, according to the Olympics website. She said skiing gives her “freedom and     8     (creative)”, especially when she     9     (perfect) controls her body and does tricks that others cannot do.

On February 8th, she claimed her first Olympic gold medal in the women’s freeski big air of the Beijing 2022 Winter Olympics as     10     full-time athlete. “I’m not skiing just for medals,” Gu once said. “What’s more important is to bring out my own style, enjoy the game and love the sport.”

When I was in high school, our physics teacher gave us a challenge     1     involved making a paper airplane of any shape.

The only objective was     2     (get) it to fly as far as possible. I had some paper airplane making skills so I made the best plane I could and it     3     (fly) pretty far.

One guy made the greatest, yet     4     (simple) paper airplane of all time. He stood there at the starting line     5     a regular piece of paper. Some classmates scratched their head while silently     6     (stare) at him. Moments later he took     7     piece of paper, crumpled it up into a ball, and threw it down the way.

He beat the class with     8     (easy).

Some of the students got mad     9     said that he cheated.

The physics teacher said, “I said     10     could be any shape. A paper ball is indeed a shape.”

Right now， most people's attention is on the COVID﹣19 pandemic. In     1    way， this pandemic is also warning us to protect our planet Earth.

World Earth Day， the international movement aiming     2    protecting and improving Earth's environment， is celebrating its 50th anniversary on April 22. For Earth Day 2020， the theme is climate action.    3    （celebrate） this， the Earth Day Network organized the Great Global Clean﹣up event. The network hoped that this would be the largest volunteer event in history， with people from all over the world    4    （set） up events to remove billions of pieces of trash from green spaces， urban communities and waterways. But due to the current ban on public gatherings and lockdown measures in many affected countries， clean﹣up events     5    （postpone）.

That said， the occasion will still continue in a digital way. "    6    it be coronavirus or our global climate crisis， we cannot shut down.    7    ， we must shift our energies and efforts to new ways to mobilize （动员） the world to action. " said Earth Day Network President Kathleen Rogers.

While the event may not reach its originally     8    （plan） grandeur（宏大）， Earth Day 2020 could play a role in helping us sustain     9    （environment） friendly changes， such as practices like teleworking and video conferencing     10    have become more prevalent （普遍的） in this time.

Long time ago, there was a man living in Zheng State. He wanted     1     (buy) a pair of shoes. So he     2     (measure) his feet and placed the measurement on a chair.

Then, he went to the market in     3     hurry, but forgot to take the measurement. When he found the pair of shoes he wanted, he     4     （sudden） remembered that he had left the measurement at home. He went home for it immediately. When returning, he could not buy the new     5     （shoe） because the market had closed. He was very sad.

Someone asked, "Why didn't you just try the shoes on with     6     （you） feet?"

"I would rather trust the measurement than believe my own feet," he replied.

Nowadays, this idiom is used to ridicule （讽刺）the people     7     depend on dogmas （教 条），no matter what the actual situations are. In our life, we must pay attention     8     the development or changes so that we can solve a certain     9     （difficult） according to the actual situations, instead of     10     （believe） in dogmas.

Festivals are occasions that allow us to relax and enjoy life. Their     1     (origin) range from the seasons of the year to important events. When it comes to celebrating   festivals,   different   cultures   actually   have   a lot     2     common. People celebrate the harvest festival after all the crops     3     (gather) in. Festivals are becoming more and more commercial, with businesses     4     (take) advantage of the celebrations.

At age 18, Dr Lin Qiaozhi chose to study medicine instead of marrying like the     5     (major) of girls. After graduation, she became the first woman ever       6     (hire) as a resident physician in the PUMC Hospital. When studying in the US in 1939, she impressed her American colleagues who invited her to stay. Dr Lin,     7    , rejected the offer.

San Francisco was able to rebuild itself after the earthquake that     8     (occur) in 1906.The Mission District, one of the oldest parts of the city, used to be a poor area of town,     9     is now a center for art, music, and food. When gold was discovered in 1848 near San Francisco, many people came to seek their fortune and some Chinese opened up shops and restaurants to earn     10     living.

When it comes to Anhui province, the first thing that     1    (come) to mind might be the Yellow Mountain. In fact, this mountainous province is     2     birthplace of Anhui cuisine（徽菜）, also called Hui cuisine. It is     3     (know) for its special tastes and cooking methods.

To Chinese people, food is like medicine. Hui cuisine is not an exception to this belief.     4     (achieve) this, local people use herbs（药草）, whether wild     5     grown by people, and add them to their dishes,       6     (make) them healthy and delicious.

Anhui people value celebrations very much. These celebrations require different dishes,     7     have greatly encouraged the     8     (develop) of Hui cuisine. It is said that Huizhou traders liked to show their respect to their business     9     (partner) or friends with a big table of Hui dishes. So wherever they went, they     10     (build) Hui cuisine restaurants.

Shawn Stevenson says that the best time to go to bed is 10 p.m. We should then wake up at 6 a.m. He is    1    expert studying human sleeping patterns.

He believes 10 p.m. is the best bedtime because this is when the sun     2     (set), and 6 a.m. is the perfect time to wake up because this is    3    the sun rises. The closer     4    (we) sleeping pattern is to the movement of the sun, he says, the    5     (much) energy we will have during the day.

He also says that looking at electronics like computers and phones before    6     (go) to bed makes sleeping difficult. The blue light from these electronics is the worst.    7     you need to look at an electronic device before sleep, he says, you should change the setting so that there is less blue light.

He also says you should avoid caffeine (咖啡因), sugar and dairy    8    ( product) such as milk or cheese    9    the evening. This will make it easier for you    10    ( sleep).

10 . When a storm is coming, most people leave the area as    1    (quick) as possible and head     2     safety. But there are a few people who will get into their cars and go straight for the center of the storm. These people are willing to risk    3    (kill) by floods or 100-kilometer-an-hour winds for the excitement of watching the storm close up.

“Storm chasing” is becoming an     4    (increase) popular hobby, especially in the Midwest of the United States,     5     there are frequent storms between March and July. A storm chaser begins the day by checking the Internet for the latest weather reports, and then drives up to 1,000 kilometers to where the storm will be and waits for it to develop.

Although anyone can do it , storm chasing is extremely dangerous. The power of a big storm can throw a cow into the air or destroy a whole house in seconds. Storm chasers are also often hurt in accidents     6    (cause) by driving in a heavy rain. If you are a     7    (begin), it is much     8    (safe)   to join a group for storm-chasing vacations during the storm season.

Even then, storm chasing is not all adventure and excitement . “Storm chasing is 95% driving,” says Daniel Lynch, who spends most of his summer storm-chasing. “Sometimes you can sit around for hours waiting for something to happen, and all you get is blue sky and a few light showers.”

    9    , for storm chasers, it is all worth it. “When you get close to a storm, it is the most exciting sight you will ever see in your life,” says Jasper Morley. “Every storm is     10    example of the power of nature, It is the greatest show on Earth.”