关于Thehealthsecuritysys的百科

• Thehealthsecuritysystemsofmanycountriesareundergoingcon...

• 问题详情：Thehealthsecuritysystemsofmanycountriesareundergoingconsiderable______.A.reservation          B.transformation       C.distinction           D.submission【回答】B【解析】【详解】考查名词词义辨析。句意：许多国家的卫生...
• 2020-07-0615116