Rick Howells is the arborist (树木栽培家) for the Shade Tree Commission in Allentown, Pennsylvania. He manages the care of all of the trees in the city,     1    (include) the trees that line the streets.

Trees can make a city prettier, sure. But that’s not    2    (they) only advantage, Howells explained. Trees can save lives by absorbing (吸收)    3    (pollute) from cars and   factories. Trees can also help slow climate change by absorbing carbon dioxide, one of the main    4    (cause) of climate change. In cities, trees provide a home    5    birds and bees. They also offer a calming effect on the community. That is one reason why there    6    (be) less crime in tree-lined areas.

“Trees must be trimmed (修剪) and, if they are diseased, cut down so that they don’t become a risk to the community. It isn’t     7    easy task,” Howells said. “You have to know types of knots (结) for the ropes and    8    (difference) kinds of rigging (索具).” Rigging equipment is tied to trees so that they can be trimmed and cut    9    (safe).

To Howells, taking care of trees isn’t just a job. It’s also a hobby. He loves trees and    10     they bring to a community. “If you take good care of a tree,” he said, “everything around it becomes beautiful, too.”

Once upon a time, there was an old man, nearly blind and deaf,     1     lived with his only son. When he was at table, he often dropped some food on the table. His son and daughter-in-law did not like this. So they made him sit in a corner behind the stove. There he     2     (give) an old bowl with a little food in it.

One day his hands shook so much     3     he could not hold the bowl. It fell to the ground and broke to pieces. The daughter-in-law shouted at him     4     (angry), “What a careless old man you are!” His eyes were filled with     5       (tear), but he did not say anything. Then they     6     (buy) a cheap wooden bowl and gave a little food in it.

One day,     7     old man's little grandson was sting on the ground by him, trying to fit some pieces of wood together.

“What are you making a wooden trough (凹槽) for?” asked the old man.

“It is for Dad and Mum     8     (feed) from when I grow up,” answered the little boy.

His parents' jaws dropped. They felt very sorry and     9     (embarrass), and started to cry. Then they begged for a real     10     (forgive), saying to the old man “We are wrong. Please forgive us!”

"Rehabilitation (康复学)can be needed at some point in anyone’s lives after     1    (injure) or surgery. Those     2    (infect) by COVID-19 also need such medical treatment, said Guo Jingwei, chief physical therapist of the China-Japan Friendship Hospital in Beijing.

At 8 :00 a. m. , Guo walks in the outpatient department, gently greeting     3     senior citizen lying on a bed. After     4    (thorough) checking with the patient about her situation, the therapist    5    (start) guiding the woman to do some exercises. This is Guo's daily routine in the past two decades.

"Even now, many doctors and nurses misinterpret the rehabilitation treatment," said Guo, "considering it as massage, acupuncture     6     physical treatment."

"In fact, rehabilitation is a larger field. It focuses on optimizing (优化)people's functioning and     7    (reduce) disabilities through designed interventions. We aim to give patients a comparatively normal life, a life     8     they can enjoy as a human."

Since the therapists' ability to communicate with the patients and to comfort them     9    (require) during the treatment, the atmosphere is often very friendly. "In some way, the relationship between patients and medical workers in our department is the most     10    ( harmony) one in the hospital," Guo said.

Eating a healthy diet is far from simple because we actually make the majority of our food choices     1     (base) on our preference. Many people don’t even know how great it feels to eat a healthy meal because they     2    (make) bad food choices for too long.

To really understand the importance of forming healthy eating habits, you need to ask    3     (you) a question. Why do humans need to eat? “The basic need for food could be compared to     4     (put) gas in your car. If you put the right fuel into your car, it will spring to life with a single turn of the key and run smoothly for a long time, but if you put soda pop and sugar in your gas tank, it’s going to ruin your car. In this sense, your car and your body are alike. They can both run well     5     the right kind of fuel but deteriorate (变坏) over time if you ignore their basic     6     (need) of fuel.

If you ignore healthy eating habits, you not only face     7     possible future of being over-weight but also run the risk of depression heart disease, diabetes, cancer, and so on. The choices you make each day, from what to eat for breakfast to whether or not to have an extra piece of pie, influence how you feel and perform,     8     makes a difference to everything you do. Once you believe eating     9     (health) is necessary, it’s time to make some changes to your diet. Instead of cutting out all the “bad” foods you currently eat, it’s much easier and safer     10    (start) by adding more healthy foods to your diet gradually, such as fresh fruit and vegetables, whole grains, low-fat dairy products and nuts. In this way, you’ll be slowly replacing your bad diet with a good diet.

It seems that people in western countries are becoming increasingly    1    (worry) about the side effects of drugs, and are turning to various     2     (treatment) such as yoga, reflexology and acupuncture (针灸) to complement, or sometimes even replace, western medicine.

    3    event in my life three or four years ago made me examine my own attitudes towards alternative medicine. After     4     (suffer) from insomnia (失眠) for a few months, I was feeling mentally and physically exhausted. My friend Tony, who    5     (study) acupuncture at a college near London at the time, suggested that I visit an acupuncturist. Since I had a fear of needles, I was     6    (willing) to take his advice. But by this time I was so tired that I was prepared to try almost anything.

I made an     7    (appoint) with the acupuncturist in my area and turned up at his room the following morning. After taking my pulse, looking at my tongue, and asking a few questions     8    my diet and lifestyle, the acupuncturist correctly reasoned that I was worn-out. I found this extremely impressive since he hadn't asked me     9     I had come to see him. He then inserted a needle in my right foot between my first and second toe, and, despite my anxiety, I fell asleep     10     (immediate). At the time I considered the whole experience to be close to a miracle.

In May 2001, I found a job in New York at the World Trade Centre. On September 11, 2001, I arrived at my building at around 8:30 a.m. I was about to go up    1    I decided to get a coffee first. I went to my favorite coffee place    2    though it was two blocks (街区) east from my office. As I was waiting in line with other office    3    (work), I heard a loud sound. Before I could join the others outside    4    (see) what was going on, the first plane had already hit my office building. We stared in disbelief at the black smoke    5    (rise) above the burning building. I    6    (feel) lucky to be alive. Almost 10 years later, I woke up at 10:00 a.m. on February 21, 2011 and realized that my alarm clock never went off. I jumped out of bed and went straight to the airport. But by the time I got to the airport, my plane to New Zealand    7    (take) off already. “This is the first holiday in a year, and now I’ve missed my plane.    8    bad luck!” I thought to    9    (me). The other planes were full so I had to wait till the next day. The next morning, I heard about the earthquake in New Zealand the day before. My bad luck had unexpectedly turned out to be    10    good thing.

When I went to my senior high school, I had to live in the dormitory because it was so far away from my home. When it comes     1     my dormitory life, I have many unforgettable memories.

At first, we created a few “masterpieces” in the first year. Eight of us shared a room and none of us was     2    (will) to clean the floor, so the floor changed from bright white into dark gray. And so often were we invited to the teacher's office     3     all of us gained a notorious reputation. Worse still, our dormitory turned into heaven for the living creatures such as rats. Hence, we had more trouble     4    (deal) with the garbage     5     piled up in the dormitory. In addition, everyone in the dormitory had his own opinion and personality, which led to some heated arguments.

    6    , we really changed a lot during the second year. We learnt a lesson from the dormitory life that we had to take good care of     7    (we) as well as the dormitory. In order to have a good sleep and commit ourselves to study, we learnt to get rid of our bad habits. We began to take     8    (turn) to clean the floor and empty the garbage can. Most importantly, we did make some progress step by step. We learnt to show respect for and put up with each other and we all became good friends.

Finally, we were reluctant     9    (say) goodbye to our lovely dormitory and our beloved roommates. We really enjoy the precious time we    10    (spend）together.

I’d never heard of the yangqin,     1     18th century Chinese stringed instrument, until this past Sunday on April 11, 2021, when I had the pleasure of hearing music master Wenzhuo Zhang perform on it in a virtual concert.

Wenzhuo, a Chinese native, began her training on the yangqin     2     she was only 5.   At 13, Wenzhuo     3     (win) a scholarship to the Arts School of Hebei Province; the     4     (high) competitive program only accepted a single yangqin student every two years. After graduation, she placed first in nationwide auditions and     5     (admit) into the National Academy of Chinese Theatre Arts in Beijing,     6     she was awarded her bachelor’s in yangqin performance in 2005.

Wenzhuo performed four pieces, three tracing their     7     (origin) to centuries old Chinese composers, and one from the modern era. Needless to say, Wenzhuo’s performances sounded gorgeous. The yangqin is a unique and beautiful instrument and its sound,     8     (combine) with Wenzhuo’s musical ability, allowed the four greatly different pieces to stand together. I believe it serves     9     a wonderful introduction to the instrument.

It was     10     (fascinate) to learn about the yangqin and a joy to watch Wenzhuo perform on it from the comfort of my home. It was really quite a relief from my daily care.

June 8 is Best Friends Day, a day to celebrate your best friends and let them know how important they are to you.

Best friends are the most understanding and thoughtful,     1     are most in tune with you! They are just the friends that you can laugh     2     and call up at any time of the day. They are there for you in all of your good and bad     3     (moment), and they support you, validate all your good decisions and stop you     4     (make) wrong ones. In other words, without best friends, life would be very     5     (hope) indeed.

Whether you grew up with them     6     met them later in your life, let your best friends know that they     7     (value) on Best Friends Day. On this friendly holiday, you can thank your best friends for being in your life by doing something special for them. You can send them a special gift basket full of things they like by     8     (you) or treat them to their favorite dessert     9     (sincere). If you and your best friends don't live in the same city, call them or send them a note letting them know how much you miss them. Better yet, why not manage     10    (pay) a surprise visit? They would love to see you, and you can spend the day with your favorite persons in the world!

China's top education authorities on Friday gave detailed suggestions on    1    students should go to bed to ensure enough sleep and ongoing efforts to reduce students’ burden.

Generally    2    (speak), primary school students should go to bed before 9:20 pm, middle school students before 10 pm and high school students before 11 pm, Lyu Yugang, director of the ministry's department of basic education, said at a news conference.

“If the students    3    (try) hard but still could not finish homework by that time, parents can just ask them to go to bed to ensure their sleep time” he said.

Schools should control the amount of homework    4    (assign) to students to make sure primary school students can finish all written homework at school and secondary school students can finish most of the homework    5    campus, Lyu repeated.

According to ministry    6    (require), primary school students should enjoy at least 10 hours of sleep every day, middle school students nine hours and high school students eight hours.

Primary schools should start classes no    7    (early) than 8:20 am and secondary schools are not allowed to start a school day before 8 am. Schools should not require students    8    (come) to school early for group study and they should ensure a certain amount of nap time for students, he said.

Offline after-school training classes should end before 8:30 pm,    9    online after-school training courses should end before 9 pm. They should not assign any form of homework to students, Lyu said.

The ministry will also work with other    10    (department) to tighten management to ensure that online training and gaming agencies would not offer gaming services for young people between 10 pm and 8 am, he added.