【题目】二、完形填空(每题1分,共10分)At the beginning of the COVID-19 outbreak, people wearing masks were __I_ seen on the street in many Western countries.2 the pandemic(流行病)spreads in Europe and the US, some countries and cities have suggested3 a mask in public.It represents a ...
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Hence, when the social distancing was difficult, wearing masks could protect people. We also found that the leakage between the face mask and the human face played an important role in the exhaled airflow pattern and particle dispersion. The verified numerical model can be used for more ...
结合“many people protect themselves…wearing masks”可知,人们通过戴口罩保护自己。by+doing sth. 意为“通过做某事”。故选D。 [详解]句意:如今,由于新冠肺炎,许多人通过戴口罩来保护他们自己。 考查介词辨析。for为了;from从,来自;of属于,关于;by通过。结合“many people protect themselves…wearing masks”...
only 40% of the population have received two doses of the vaccine. Dr. José Pérez, Chief Medical Officer at the South Central Family Health Center, said that to protect those unvaccinated, who are the majority, “even vaccinated people should be wearing masks, especially when they are going...
The unprecedented efforts to minimize the effects of the COVID-19 pandemic introduce a new arena for human face recognition in which faces are partially occluded with masks. Here, we tested the extent to which face masks change the way faces are perceive
句意:戴口罩是一个预防COVID-19的有效方法。 考查冠词辨析。a/an一个,不定冠词,表泛指,a用在以辅音音素开头的单词前;an用在以元音音素开头的单词前;the这/那,定冠词,表特指。分析句子可知,此处泛指一个预防COVID-19的有效方法,且useful是以辅音音素开头的单词,其前应使用不定冠词a修饰。 故选C。反馈...
A taxi driver wearing a mask drives a taxi during the COVID-19 pandemic in New York, the United States, April 13, 2020. Governor of the U.S. state of New York Andrew Cuomo issued an executive order directing employers to provide essential workers with cloth or surgical masks to wear ...
As health experts urge the public to wear masks to slow the spread of the coronavirus, they continue to get pushback. Among the arguments of skeptics: If masks can’t fully protect me against COVID-19, what is the point of wearing them?
In New York City, the epicenter of the coronavirus outbreak with over 57,000 cases and 1,500 plus fatalities, more people are seen wearing masks after the mayor advised New Yorkers to wear a face covering when outside and near others. ...