Wild mushrooms have become a new favorite in Chinese cuisine. As     1     matter of fact, the rising interest is helping the business develop fast in China’s southwestern Yunnan Province,     2     (know) as the “kingdom of wild fungi (菌类) ”.

A key recipe for this dish is soup. The ingredients include    3     (variety) of wild mushrooms, chicken, and mineral water,    4    are cooked together for four hours. Just like chefs, the diners also need    5     (patient). The mushrooms have to be cooked for around 20 minutes before they can    6     (consume) , because some of them might be poisonous if not fully cooked.

So far, people’s ideas towards the natural cuisine    7     (change) greatly, according to Wang Wenzhong, the founder of Juncai Wild Mushroom Hot Pot Chain. At first, many were     8     (familiar) , and now they’ve developed a real taste.

Juncai,     9     a rapidly growing brand (品牌), plans to develop business beyond Yunnan. “    10     (original) , my purpose in opening the business was to carry forward our food culture, and it’s also the mission of my company.”

David Ho is one of the most famous     1     (scientist) in the world because of his research on AIDS. He was born in 1952 and he     2     (give) the name Da-i,     3     means “Great one” in Chinese.

David was interested in life sciences so he went to Harvard Medical School.     4     was there that he first saw people who had AIDS. In     5     early 1980s, AIDS was almost unknown and David decided     6     (study) this mysterious killer disease. He discovered that the HIV virus could live in a healthy person's body for years and realized that the     7     (early) a person with HIV is treated, the longer they will live.

Because of his     8     (contribute), the lives of thousands of people have been saved. Today, his research is focused on     9     (make) a vaccine (疫苗) against AIDS. If David     10     (find) a vaccine for AIDS, he will become an international hero.

Nowdays many youngsters prefer to go online in their spare time. Generally,its advantages can be seen as     1    (follow). First, through the internet, they can gain new knowledge       2     the latest news at home and abroad. Besides, the network offers them a convenient way     3     (communicate) with each other. The internet makes     4    (they) life outside class colorful. But every coin has two sides. The negative       5    (aspect) are also apparent. One of the important disadvantages is       6     some students prefer to play computer games instead of       7    (study) their lessons. To make matters       8    (bad), there are some students who are often absent       9     school for days. Through the above     10    (analyze), I believe that the positive aspects overweight the negative ones. Therefore, I would like to go online in my spare time.