The 2015 Nobel Prize for Physiology or Medicine of 2015 was rewarded to Tu Youyou (co-winner), a committed and patient Chinese scientist, whose research led    1    the discovery of artemisinin. Artmisinin has become a vital treatment for malaria and it is estimated    2    artemisinin saves 100,000 lives a year in Africa alone.

According to Tu Youyou, the discovery of artemisinin was a team effort. Upon    3    (hear) that she had been awarded the Nobel Prize, she said, “ The honour is not just    4    (I). There is a team behind me, and all the people of my country. This success proves the great value of     5    (tradition) Chinese medicine. It is indeed an honour for China’s scientific research and Chinese medicine    6    (spread) around the world.”

Linda is a really hard-working student, but her grades     1     (fall) since three months ago. This is because she sometimes has trouble concentrating     2     her study. She also refuses     3     (talk) with her teachers and friends. What’s worse, she not only feels     4     (tire) all the time but has difficulty in falling asleep.     5     she is going through is brought to her mother’s attention. Therefore, her mother asks her what happens to her, but she just says she feels like     6     (cry).

As a matter of fact, Linda is suffering from clinical depression (临床抑郁症). It can be described as a mood     7     is so low that it affects your daily life     8     (bad). The first signs of it in teens are     9     (poor) school reports than before, learning difficulties and staying away from classmates and teachers. If you have these signs, don’t worry.    10     are many effective ways to deal with this problem, such as medicine, small talk, more exercise and a balanced diet.

Going to Disney World is on the top of many children’s dream lists. So when Jermaine Bell quit his opportunity     1     (go) to the magical destination for his seventh birthday in order to put the money toward helping those     2     had to escape from their homes, we     3     (impress) with his generosity.

Many Americans were suffering from Hurricane Dorian, so the young boy asked his parents to use the money     4     (save) from his intended trip to buy food for those     5     need. He set up a stand (摊) on Highway 125,     6     (offer) chips and hot dogs to the people who were trying to reach safety.     7    , he also hoped that their houses     8     (be) OK when they got back.

It is     9     (inspire) to see such generosity and concern for others in such a young child. And we only hope his birthday proves to be as special as he is. Indeed, most good deeds do not need a lot of time and preparations. One small act can make a big difference. If all of us can pay it forward, we can make great     10     (contribution) to the improvement of the world.

Videos of 77-year-old Xu Xiuzhen, who speaks 11 different languages with foreigners while working at a scenic spot selling water, postcards and headdress flowers, have brought her instant fame. Xu’s village,     1     (locate) at the base of Moon Hill, is     2     popular scenic spot famed for a moon-shaped hole at the summit.

    3     (support) her family, Xu, who dropped out of junior school in the third grade, began to learn different languages in order to attract more foreign customers. She has been working     4     a guide and vendor (小贩) in a county and resort town in Yangshuo since 1998,     5     the area became famous with foreign backpackers and organized tours. Over the past two decades, Xu     6     (teach) herself 11 foreign languages, including English, Spanish, Japanese, German, Hebrew and Korean. In addition to making her     7     (extreme) popular, her linguistic prowess (超凡技术) has made     8     easier for her to communicate with foreign tourists. As a result, Xu has also become one of the     9     (busy) tour guides in Yangshuo. Her reputation draws a large crowd of tourists every day, especially foreign     10     (visit), who come to meet the multilingual guide out of admiration.