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In the past 20 years alone, three coronaviruses have caused major disease outbreaks. First came the original SARS virus in 2002.
In the past 20 years alone, three coronaviruses have caused major disease outbreaks. First came the original SARS virus in 2002.
admin
2022-11-16
121
问题
In the past 20 years alone, three coronaviruses have caused major disease outbreaks. First came the original SARS virus in 2002.【C1】________. in 2012, MERS was identified. In 2019, SARS-CoV-2【C2】________.
Hundreds of other coronaviruses are known to be【C3】________in bats and other animals. Scientists have warned that some of them could arise in the future and【C4】________infect people. Our current COVID-19 vaccines were specifically【C5】________for SARS-CoV-2, but what if a next-generation vaccine could protect【C6】________both known and unknown coronaviruses?
Scientists at the Walter Reed Army Institute of Research are working on a so-called universal coronavirus vaccine. Dr. Kayvon Modjarrad is【C7】________the effort. They have developed a vaccine specifically for SARS-CoV-2, and found that the immune response that it【C8】________is active against all the variants, as well as other coronaviruses like SARS-CoV-1. And this gives them confidence that it can be a platform for the entire coronavirus family.
The vaccine is known as SpFN, which combines nanoparticles from ferritins with coronavirus spike proteins. But making the vaccine wasn’t as【C9】________as attaching one protein to another. Modjarrad and his colleagues had to【C10】________which parts of the spike to attach to which type of ferritin and how to【C11】________the two proteins together. It took months of trying more than 200 different【C12】________. By June of last year, the team found one version that succeeded where others had failed. They then【C13】________the experimental vaccine in mice and monkeys.
The team also turned to less【C14】________animals for testing. Working with scientists in India, they【C15】________horses with the vaccine to learn how strong the【C16】________response was. And they【C17】________with Helen Dooley at the University of Maryland to vaccinate sharks—which make special antibodies.
The results are【C18】________. but animals aren’t people. The Army vaccine is now being tested in a small, early-stage trial in humans.【C19】________it works and is safe, it could lay the【C20】________for a universal coronavirus vaccine.
【C17】
选项
A、conflicted
B、collaborated
C、disagreed
D、dealt
答案
B
解析
空格所在部分为And they________with Helen Dooley at the University of Maryland to vaccinate sharks—which make special antibodies (他们还与马里兰大学的海伦.杜利________为鲨鱼接种了疫苗)。根据And可知上下句为并列逻辑关系,上文是Working with scientist. s in India,可知这里应该填入work with(与……合作)的近义表达,所以选择collaborated(合作),故答案为选项B。A、C、D三项与with搭配分别意为“与……发生冲突”“与……有分歧”“处理;与……打交道”,代入后均无法形成符合句意的搭配,故全部排除。
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0
考研英语二
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