阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
I am extremely honored to be selected as a winner of this year's Lasker-DeBakery Clinical Medical Research Award. I express my wholehearted thanks to the jury members for the recognition(认可) of my ________ (contribute) to the discovery of Qinghaosu(青蒿素) for malaria(疟疾) treatment.
In my childhood, I witnessed occasions when patients __________(rescue) by folk Chinese medicine recipes. However, neither _
____ I dream then of such a close link of my whole life to researching those amazing herbs(草药) nor could I imagine then that today I would experience such an exciting moment when my research has been highly praised by the international ____
____ (science) community. I started research on herbal medicines in 1955. My __
___(curious) about herbs turned into a strong motivation after college training on traditional Chinese medicine ___
___ (arrange) by the institute. Equipped with a sound knowledge in both traditional Chinese medicine and modern pharmaceutical sciences(制药学), we ____
_____(success) accomplished the discovery and development of Qinghaosu from Qinghao.
The discovery of Qinghaosu is ___gift to mankind from traditional Chinese medicine, ___
__ has served people in China and other Asian countries for many centuries. Continuous exploration and development of traditional medicine will, ____
___ doubt, bring more medicines to the world.…
So, we’ll go white-water rafting, is quite dangerous, but very exciting! After white-water rafting, we’re going on a trip to see wild animals in Kenya.
we’ll be walking for almost two weeks, I’ll need to buy a large, strong, light backpack
advance to carry my supplies of food and water.
We will leave London on 15 July, and we’ll be flying to Morocco. We are going to travel on camels the Sahara Desert.
It seemed that the water led to cholera．John Snow looked into the source of the water for these two streets．He found that it came from the river, had been polluted by the dirty water from London．Immediately John Snow told the astonished people in Broad Street to remove the handle from the water pump so it could not be used．Soon the disease began to slow
．
John Snow had shown that cholera was spread by germs and not in a cloud of gas．___addition, he found two other deaths in another part of London that were concerned with the Broad Street outbreak．A woman, who had moved away from Broad Street, liked the water so much that she had had it delivered from the pump to her house every day．
Technological developments have also played their part ______ keeping Valentine’s Day relevant in the 21st century. Valentine’s ecards have been very popular in recent years.
Now，Valentine’s Day is celebrated in many countries around the world. However, the traditions often differ from place to place.
In Japan，for example，it is normal _______the woman to send chocolates to the man, ___
___in South Korea April 14th is known as “Black Day” and is when the unfortunate men who received nothing on Valentine’s Day gather to eat noodles and show sympathy for each other.