Many scientists believe our love of sugar may actually be an     1    (addict). When we eat or drink sugary foods, the sugar enters our blood and affects parts of our brain     2     make us feel good. Then the good feeling goes away,     3     (leave) us wanting more. All tasty foods do this, but sugar has a     4    (particular) strong effect. In this way,    5    is in fact an addictive drug, one that doctors recommend we all cut down on.

“It seems like every time I study an illness and trace a path to the first cause, I find my way back to sugar,” says scientist Richard Johnson. One-third of adults worldwide have high blood pressure, and up     6     347 million have diabetes(糖尿病). Why? “Sugar, we believe, is one of the     7     (reason), if not the major one,” says Johnson.

Our bodies     8     (design) to survive on very little sugar. Early humans often had very little food. In this way, we had energy stored for when there was no food.     9     today, most people have more than enough. So the very thing that once     10     (save) us may now be killing us.

Bruno Mars was born into a very musical family in Hawaii. When he was young, he often performed on the stage with his family,     1     gave him full confidence and experience. After graduating from high school, Bruno     2     （decide）to move to Los Angeles to build his music career. It wasn’t easy, though. He was used to giving performances     3     （regular） as a musician in Hawaii. But in Los Angeles competition was much     4     （strong）, so Bruno had a hard time breaking into the music industry.     5     the desire to give up was great, he never did. Bruno found that he could make money and become famous by writing songs for famous singers. In 2010 Bruno     6     （ask）to record one of his songs, which rocketed to the top of the charts. That same year he released his first original song, “Just the Way You Are”. It also hit number one. The song’s     7     （succeed）brought Bruno instant fame and star status. Since then Bruno Mars     8     （receive）numerous music awards and honors. He has sold more than 130 million records,     9     （make）him one of the best-selling artists ever. Many of his fans and peers consider him a musical genius and one of the world’s best     10     （perform）.

With smiling eyes, a quick wit and a good sense of humor, Jia Ling has long been a well-known female comedian for her     1    (extreme) funny performances. But recently, she has gained another title.

Jia starred in and directed the film Hi, Mom,     2    a time-travel story is told. The film     3    (consider) as the leading dark horse among the movies released (上映) during the seven-day Spring Festival holiday is in memory     4     her late mother Li Huanying, who encouraged Jia to pursue her artistic dreams. By Feb 23, 2021, it     5    (earn) more than 4 billion yuan, enabling Jia to become the top box office grossing female film director in China. Now she is on the path to     6    (become) an international name in the filmmaking industry.

So what is the secret behind Jia’s success? One factor may be her passion for comedy. Jia     7    (admit) to Beijing’s Central Academy of Drama in 2001. In the last 20 years, she has performed crosstalk (相声) in     8    (vary) competitions and shows. She has also played comedic roles in many comedies on the big screen. Besides, the approach to     9    (make) the film also makes Jia Ling’s work stand out. We’ll wait and see whether Jia will become one of China’s     10    (popular) directors.

Like many of my generation, I have a weakness for hero worship. At some point, however, we all begin to question our heroes and our need for them. This leads us     1     (ask): What is a hero?

    2     immense differences in cultures, heroes around the world generally share a number of characteristics that instruct and inspire people.

A hero does something worth     3     (talk) about. A hero has a story of adventure to tell and a community who will listen. But a hero goes beyond mere fame.

Heroes serve powers or principles     4     (large) than themselves. Like high-voltage (高电压) transformers, heroes take the energy of higher powers and step it down so that it can be used by ordinary people.

The hero lives a life worthy of imitation. Those who imitate a genuine hero     5     (experience) life with new depth, enthusiasm, and meaning. A sure test for would-be heroes is what or whom do they serve? What are they willing to live and die for?     6     the answer or evidence suggests they serve only their own fame, they may be famous persons but not heroes.

Madonna and Michael Jackson are famous,     7     who would claim that their fans find life more abundant?

Heroes are catalysts (催化剂) for change. They have a vision from the mountaintop. They have the skill and the charm to move the masses. They create new     8     (possible). Without Gandhi, India would still be part of the British Empire.     9     may be possible for large-scale change to occur without leaders with magnetic personalities, but the pace of change would be slow, the vision     10     (certain), and the committee meetings endless.

As is known to all, a positive parent-child relationship is     1     (benefit) to the physical and mental     2     (grow) of children, but keeping a healthy parent-child bond     3     (need) the efforts of both parties.

Parents should take the responsibility     4     (improve) their relationship with the children. What matters is spending quality time with their children,     5     tight their schedule is. For instance they can eat     6     (meal) together, go to sporting events together or watch their children's favorite TV shows together,     7     can contribute greatly to making their children feel safe and     8     (love). Children, on the other hand, should let their parents know they appreciate what their parents     9     (do) for them. If possible, they can give their parents a gift on a special day or help with housework     10     a regular basis.

No healthy parent-child relationship is without conflict. But as long as parents and children make a joint effort, they can settle the conflict and enjoy their time together.