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Section B (10)Directions: plete the sentences with the words or phrases in the box. Each word can only be used once. There is one extra which you do not need.2019-2020年高三上学期周测（十）英语试题-十一选十 含答案A. challengesB. provideC. investD. criticalE. geneticF. cureG. issueH. infantI. deliverJ. focusK. conventionalIn xx, the Gates Foundation launched a project called Grand Challenges Global Health. What I like about it is the way the Gates Foundation approached solving this problem. They didnt say, We, the rich Western foundation, will now _41_ and then _42_instructions and write some checks. They said, “Lets cooperate horizontally on defining both the problem and the solutions - lets create value that way - and then the foundation will _43_ our money in the solutions we both define.” So the Gates Foundation placed ads on the Web and in more _44_ channels across both the developed and the developing worlds, asking scientists to respond to one big question: What .are the biggest problems that, if science attended to them and solved them, could most dramatically change the fate of the several billion people trapped in the evil cycle of high _45_ death rate, low life expectancy, and disease? The foundation got about eight thousand pages of ideas from hundreds of scientists from around the world, including Nobel Prize winners. It then collected through them and cut them down to a list of fourteen Grand Challenge - challenge where a technological innovation could remove a _46_ barrier to the solving of an important health problem in the developing world. In the fall of xx, these fourteen Grand Challenges worldwide. They include the following: How to create effectivesingle-dose (单剂量) vaccines (疫苗) that can be used soon after birth, how to prepare vaccines that do not require refrigeration, how to develop needle-free deliver systems for vaccines, how to better understand which immunological (免疫系统的) responses _47_ protective immunity, how to better control insects that carry agents of disease, how to develop a _48_ or chemical strategy to disable an infectious insect population, how to create a full range of the most favorable bioavailable nutrients in a single staple plant species, and how to create immunological methods that can _49_ chronic (慢性的) infections. Within a year, the foundation received sixteen proposals for ways to meet these _50_ from scientists in seventy-five countries, and the foundation is now in the process of funding the best proposals with $250 million in cash.Keys: IGCKH DBEFA
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