【题文】Covid-19 vaccines are used to strengthen the body’s___ to infection. A.resolution B.reservation C.resistance D.separation 相关知识点: 试题来源: 解析 【答案】C 【解析】【分析】【详解】考查名词词义辨析。句意:新冠病毒疫苗用于增强身体对感染的抵抗力。 A. resolution决心;B. reservation...
Nine were still hospitalized and two were in the Intensive Care Unit, while 14 were not hospitalized at all. "Currently, the benefits still clearly outweigh the risks for COVID-19 vaccination in adolescents and young adults," Dr. Megan Wallace of the National Center for Immunization and ...
Vaccines(疫苗) against COVID-19 are about 90 percent effective at blocking coronavirus infections, studies suggest. Nearly 4,000 health care workers, first responders and firefighters in six states took part in the study led by CDC researchers. From December 14 through March 13, the workers subm...
At the time, President Donald Trump touted the focus on accelerating the development of vaccines with the help of the private sector. “My administration provided a total of $14 billion to accelerate vaccine development and to manufacture all of the top [COVID vaccine] candidates in advance,”...
【题目】Vaccines(疫苗) against COVID-19 are about 90 percent effective at blocking coronavirusinfections, studies suggest.Nearly 4,000 health care workers, firstresponders and firefighters in six states took part in thestudy led by CDC rescarchers. From December 14 through March 13, the workers ...
Many countries are striving to get COVID-19 vaccines,the supply can no longer meet the high demand at the moment. A. and B. though C. but D. if 相关知识点: 试题来源: 解析 C考查连词。and “和,并且”;though“虽然,尽管”;but“但是”;if“如果”。句意:许多国家正在努力接种COVID-19...
Many people are getting the COVID-19 vaccines (疫苗) these days. But some are afraid of needles (针). What if we don’t use them at all? Scientists around the world are working on new types of vaccines. They hope ___ people get vaccinated more easily.Chinese scientists Chen Wei and...
【题目】Covid-19 vaccines are starting to roll out in several countries, a momentous breakthrough that hopefully signals a light at the endof this dark pandemic. For Katalin Karik6, the moment is particularly special.Kariko has spent decades of her career researching the therapeutic(治疗的)...
题目 Covid-19 vaccines are used to strengthen the body's to infection.( )A.resolutionB.reservationC.resistanceD.separation 相关知识点: 试题来源: 解析 考查名词辨析。A.resolution正式决定;B.reservation预定;C.resistance抵抗力;D.separation分离。结合句意,C选项符合句意。故选:C。 反馈 收藏 ...
Are some COVID-19 vaccines more effective than others? It’s hard to tell since they weren’t directly compared in studies.