vulnerable [ˈvʌlnərəbl] group includ (Multiple [ˈmʌltɪpl] choice questions多选题)
A.
Work,study and live in together , take the same car or bus ,and close contacts with the infected
B.
No party,stay in home,wear masks when going out
C.
people who diagnosis [ˌdaɪəɡˈnəʊsɪs] and treatment ,nursing,visit without protected in the hospital which received and cure infected
D.
Infestor's family members,Chaperone [ˈʃæpərəʊn] ,roommate