2 . 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。

Emerging evidence in humans suggests a     1     (typical) Western high-fat, high-sugar junk food diet can quickly weaken your brain's appetite control.

After offering volunteers a week-long binge (大吃大喝) of waffles, milkshakes and similarly rich foods, researchers in Australia found young and healthy ones scored worse on memory tests and experienced a     2     (great) desire to eat junk food, even when they were already full.

The findings suggest something is special in the hippocampus (海马体)-a region of the brain     3     supports memory and helps to regulate appetite. When we are full, the hippocampus is thought to quieten down our memories of delicious food, thereby     4     (reduce) our appetite. When it’s interrupted,     5     control can be seriously damaged. Over the years, extensive research on     6     (mouse) has found the function of the hippocampus is very sensitive to junk food, but recently this has been observed only in young and healthy humans.

In 2017, after a week of Western-style breakfasts of     7     (toast) sandwiches and milkshakes, researchers found participants performed worse on learning and memory tests which are typically dependent     8     the hippocampus.

Now, in this latest study the scientists of the team     9     (find) that not only do such high-fat, high-sugar diets impair memory in humans, but they appear to directly affect our ability     10     (control) our appetite.

3 . 阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。

With the International Conference on Food Loss and Waste closed on Saturday in Jinan, Shandong Province, the country has sent a signal to     1     world that China will deal with issues concerning food security by reducing loss and waste in agriculture. With the theme of reducing food loss and food waste and promoting     2     (globe) food security, the three-day event     3     (hold) both online and offline attracted more than 300 participants.

The current world grain production is about 2.8 billion tons a year. Therefore, the loss of only one percentage     4     (be) equal to the loss of 28 million tons of food. This can feed about 70 million people.

In recent years, China     5     (make) great progress in controlling loss and waste in food, with main efforts including upgrading facilities and     6     (equip). In Shandong Province, China’s major grain producer, the Sinograin (中粮集团) grain storage site is equipped with 4,500 high-definition cameras and 280,000 temperature sensors     7     (ensure) that the stock (储备) is in the best condition. Data shows that during China’s 13th Five-Year Plan period (2016-2020) , about 13 million tons of food had been saved     8     (year) after production.

We cannot end hunger     9     we do not deal with the high levels of food loss and waste. Cooperation and innovations (创新) in business models, technologies and digital solutions could all contribute     10     reducing food loss and waste.

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。

Khamisi Ally Abdi, a 25-year-old African student in Cangzhou Technical College, Hebei province, has practiced tai chi for two years. Having worshiped kung fu stars such as Bruce Lee, Jackie Chan as a child, the Tanzanian understood Chinese kung fu to be     1     fast-paced attack and defense art before he     2     (arrive) in China, but now he realizes tai chi is different. It is tai chi moves with balance and deep rhythmic breathing     3     allow him to feel the charm of the exercise. It brings peace and     4     (calm) to his mind while building his muscles.

The college, as one of International Exchange centers,     5     (enroll) (录取) more than 300 international students from over countries since 2016,     6     (main) countries along “the Belt and Road”, providing a tai chi course for all foreign students.     7     (practice) tai chi has led Abdi to acquire a comprehensive appreciation of this Chinese culture and ideology. He now prefers people     8     (call) him by his Chinese name Chen Yanzhi, as the characters of Yanzhi carry the meaning of talented and virtuous. The art has inspired his understanding of China.     9     he is longing for is teaching tai chi in his country and he expresses hope that this magical kung fu can be     10     (benefit) to more people.

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。

On 28 July 1976, the city’s one million people were asleep as usual. One of the most deadly earthquakes of the 20th century     1    (strike) the city. In less than one minute, the large city lay in ruins.     2     seemed as if the world were coming to an end. The number of people who were killed or badly     3     (injure) in the quake was more than 400,000. Nearly everything in the city    4     (destroy). But hope was not lost. Soon after the quakes, a rescue team     5     (consist) of more than 10,000 doctors and nurses came to provide medical care. Soldiers were sent to Tangshan to dig out those     6     were trapped in the quakes. Water and food were brought into the city and     7     (shelter) were built for survivors. The city began     8     (breathe) again.

    9    the help of the government and the efforts of the city’s people, Tangshan started to revive itself and get back up on its feet. In times of disaster, people must unite and stay positive to rebuild for     10    brighter future.

7 . 阅读下面短文，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Nowadays, mushroom hunting is becoming more and more popular in many parts of the United States.

Mushroom hunters spend hours, even days, in wooded areas     1    (search) for wild mushrooms. They say mushroom hunting has changed their relationship with the environment.    2    (find) mushrooms, they must walk slowly. So, they get a chance to see the birds, the trees, little animals' life and everything.     3    is necessary to pay close attention to the     4    (detail) on trees and on the ground.

Experts say eating mushrooms     5    (be) good for health. Mushrooms contain the mineral selenium (硒). It     6    (contain) in most fruit and vegetables, too. This mineral helps the liver to work     7    (proper). The mineral also helps to prevent infection in the body and may decrease the)    8    (grow) of cancer tumors (肿瘤). Mushrooms,     9    are high in fiber may help us to lose weight. So, we eat much     10    (little) because they can make us feel full for longer periods.

8 . 阅读下列材料，在空白处填入适当的内容（1个单词）或用括号内单词的正确形式。

I was on a train in Switzerland. The train came to a stop and the conductor’s voice over the loudspeaker     1     (deliver) a message in German, Italian, and French. I’d made the mistake of not learning any of those languages before my vacation.

Everyone started getting off the train and an old woman saw that I was     2     (confuse). She could speak some English and told me that an accident had happened on the     3     (track). She asked me where I was trying to get to, then went and talked to some workers, and came back to tell me that we’d have to get on trains three or four times to get there.

I was really glad she was heading     4     same way because it would have been impossible for me to figure it     5     on my own. So we went from one train station to the next, getting to know each other along the way.

She was really the     6     (sweet) woman. It was a 2.5-hour journey in total, and     7     we made it to the final destination, we got off and said our goodbyes. I had made it just in time to catch my train to Rome. She told me she had a train to catch as well. I asked her how much farther she had to go and     8     turned out that her home was two hours back the other way.

She had jumped from train to train and traveled the whole way just     9     (make) sure that I made it. I was in shock. A woman spent her whole day sitting on trains and taking her hours away from her home just to help out a confused tourist     10     (visit) her country.