This means that for the first time doctors may be able to tell if an infectedper
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This means that for the first time doctors may be able to tell if an infected(被感染的)person who feels well is ________ becoming ill, so that they can try to do something to prevent this.
| A.in case of | B.in danger of | C.in terms of | D.in charge of |
试题答案
B
解析