Most cases appear to have been passed 76 drop lets expelled when infected patients cough or sneeze. Family members of infected people and medical workers who care 77 them have been most likely to 78 the illness. But recent developments in Hong Kong suggest that the 79 might spread through air, or that the virus might 80 for two to three hours on doorknobs or other 81 Health experts say it is unlikely, though, that sharing an elevator briefly with an infected person would be enough to pass the virus.
62.
detected
caught
disclosed
revealed
63.
but
and
or
vet
64.
time
point
aspect
instance
65.
from
over
upon
with
66.
hurt
sore
aches
feelings
67.
process
advance
progress
convert
68.
automatic
artificial
【大学英语四级完形填空过关必备题型精讲5】相关文章:
最新
2016-08-08
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01