It can be easy for some of teenagers to form bad habits. These bad habits, if     1     (leave) unchecked, could lead to more serious ones when they become adults. To prevent harmful habits like these from     2     (支配) a teenager’s life is essential. To change bad habits is never easy, even with many     3     (attempt). Aristotle once said: “We are     4     we repeatedly do.” We make a choice to do something, and then we repeat     5     over and over again. Soon that choice becomes automatic and forms a habit. The good news is that we can change by understanding how habits work. we must first learn about the “habit cycle”, which works like this: Firstly, a “cue”, an action, event, or situation. Then a “routine”, the regular action you take     6     response to the cue. Thirdly, there is the “reward”.

    7     (facilitate) a positive change in our bad habits, we must first examine our bad habit cycles and then try to adapt them. Many of us try to change bad habits quickly, and if we are not successful, we often become     8     (悲观的) and give up. In fact, the most successful way to change is not suddenly, but over a period of time. As the Chinese philosopher Lao Zi wrote, “A journey of a thousand miles     9     (begin) with a single step.” To reach the goal of change, a person must show some d     10     . After all, it is not easy to break bad habits.

[The Underdog]

Paul jumped up and rushed onto the court... When the game ended, our team     1    . “Well,” said the coach as he hit Paul on the shoulder, “you’ve just     2     , big guy!”

There’s no electricity, running water or even textbooks,     1     laptops, tablets, or other modern devices! All the students have are pencils, rubbers, and paper. I’m still trying to     2     I’ve had to     3     in my teaching. Science is my most challenging subject as my students have no     4    .

One of the most effective ways     1     on a possible career path is to complete a “career aptitude test”. The results of the test will tell you about your     2     and some tests also suggest careers that you may be suited to.

I believe I would be a valuable addition to your team. My English is at     1     and I have travelled to several English-speaking countries. I have also helped to organize a three-day tour of my city for     2    .

It’s a tough animal that has to survive in a difficult environment. Also, it cannot walk backwards, so it is always moving forward. This expresses the     1     of the Australians as individuals and as a nation. Baby kangaroos weigh only two grammes at birth. They then     2     their mother’s pouch-a kind of pocket-to stay safe and warm. They sleep and drink milk. . until they are about seven or eight months old.     3    , they go out to try their legs. After they to jump, they gradually spend less time with their mother and learnt to be independent. Kangaroo may look cute, but     4     don’t always end so well. Kangaroos can hit and kick very hard, so please folks, if you see some kangaroos, remember they’re not for petting!

Jo has been dying to get a p    1    from home because she has been in the s    2    school with clay floor and roofs of grass for a month. When she reaches the school ground, she is greeted by a     3     of “good morning” from the students. Science is the most challenging subject as students     4     of doing experiment. The other day, Jo was showing the boys the chemistry experiment when the mixture was bubbling over everywhere and the boys started jumping out of the windows. Sometimes she wonders how r    5    the chemistry is to these students—few will ever become chemists.

Last weekend, Jo and Jenny visited Tombe’s home, a low, round bamboo hut with grass     6     (stick) out of the roof, where they could only see a few     7    , including one broom, a few saucers, a kettle, cups and a couple of jars. For dinner, they 1    8    stones on fire to heat and placed the hot stones with ingredients to steam. They used a can standing u    9    on the grill over the fire to dry out the leftover food in case leftovers attracted bad spirits. It was such a p    10    to have spent a day with Tombe’s family.

The future home will use     1    to tell when you leave home each morning, and then     2     all by itself. You will no longer have to     3     yourself.

After two years of working for work as a teacher, Einstein took a job as a clerk in the     4    , out of     5     knowledge, he continued to study,     6    physics.

According to Tu Youyou, the discovery of artemisinin was a team effort. Upon hearing that     7     Prize, she said, The honour is not just mine. There is a team behind me. and all the people of my country. This success    8     Chinese Medicine. It is indeed an honour for     9    and    10     to be spread around the world.

The highlight of this exhibition is the painting Clearing After Snow on a Mountain Pass,    1    of Tang Yin (1470-1524).    2    , Tang sought and failed to     3    , so he turned to painting instead. In time, he     4    China has ever known. This painting, showing high mountains, trees, and    5     was made with extraordinary skill. Though it is over 500 years old, it looks     6     the day it was created.

Senior secondary school is a new start. Studying is definitely a big part of my life. I     1     . Biology is my favorite subject, and my target is to prepare myself for my degree in biology at university. I     2     so that I can have more free time to do other things that I’m interested in after school.

Paul jumped up and rushed onto the court. And clearly,     3    . The other team just couldn’t keep up with his energy and speed. He made shot after shot, and the crowd couldn’t stop clapping and cheering.

When the game ended, our team had won by two points.

“Well”,     4    , “you’ve just earned your place on the team, big guy!”

Keep running. Running trains your mind as well as your body. There will be time when you want to give up. But hang in there and tell yourself that it will get easier with time.     5     all the sweat and hard work were worth it in the end.

My friend, Hugh, has always been fat, but things…. I rang the bell and was not surprised to see that Hugh was still as fat as ever. He led me into his room.     6    . It was obvious…When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk. He explained that     7    . Then he showed me the contents of the parcel. It contained     8