阅读下面材料，在空白处填入适当的内容（不多于1个单词）或括号内单词的正确形式。
Tu Yoyo，84， (honor)with the Nobel Prize in Physiology or Medicine on Oct 5．She was the first Chinese citizen
(win) a Nobel Prize in science．Tu
(share)the prize with the Irish-born William Campbell and Satoshi Omura of Japan．
Tu is a researcher at the China Academy of Traditional Chinese Medicine now．She was given the prize for (develop) artemisinin(青蒿素)，a new drug therapy against malaria(疟疾)，
has saved millions of lives worldwide，especially in developing countries．
Tu and her colleagues joined a government project to find a new malaria drug the late 1960s．They made 380 herbal extracts from two thousand recipes from traditional Chinese medical books．In 1971，after nearly two hundred
(failure)，Tu’s team
(final)found an extract that was 100％effective against the malaria parasites—artemisinin．In 2001．the World Health Organization made artemisinin
(it)first choice in the treatment of malaria．
“The discovery of artemisinin is a gift to mankind from traditional Chinese medicine．It’s the collective achievement of the research team. Winning the prize is honor for Chinese science and traditional Chinese medicine，” Tu said．
Now，Valentine’s Day _______(celebrate) in many countries around the world. However, the traditions often differ from place to place.
It is said that the first_______(record) Valentine’s card was sent by the imprisoned Duke of Orleans in 1415.
Valentine’s Day is the time of the year when couples show their love for each other by sending cards，flowers and chocolates. Its origins are________(clear) and hidden in the river of time.
One day, a tramp (流浪汉) was sleeping on a park bench, satisfied with the afternoon sunshine. A couple walked by. The man stopped, woke the tramp up, and asked him, “Excuse me. ___you have the time?” the tramp replied, “I’m sorry---I don’t have a watch, so I don’t know the time.” The man apologized and walked away with his wife.
The tramp lay down and went back to sleep. Just then, a woman, ______ was out walking her dog, shook the tramp’s shoulder until he woke up, _
__said, “I’m sorry to trouble you, but do you happen to know the time?” The tramp was a little annoyed at being woken up again, but he politely told the woman he didn’t have a watch and had no idea __
____ the time. After the woman left, an idea occurred to the tramp. He opened his bag and took out a pen and a piece of paper. He wrote down with all his strength, “I do not have a watch. I do not know the time.” He then hung the paper round his neck thinking that nobody would hold him back in his sleep. Fifteen minutes
___, a policeman noticed the tramp and the sign around his neck. Out of a sense of responsibility, he woke the tramp up and said, “It’s 2:30 p.m.”
My first roller coaster experience was not pleasant. It was in the summer of 2009, in Six Flags, Massachusetts, the US. I went with a group of friends. We were all very excited about roller coaster
waited anxiously for the ride to begin. As the roller coaster got up higher and higher, however, my heart started to beat
hard that I even could see my shirt move up and down. I could feel the wind getting stronger and brushing through my hair. Then the big drop came. I closed my eyes and told that it would be over in two seconds, but it felt like forever. I was pushed up from my seat as if I
to be thrown out of the car.
the time I finished the ride, I could barely stand up or speak. So when my friends asked me
I thought of the ride, I just answered with silence. No matter how hard I tried, I could not make
sound.