We should ______ when we receive a suspicious letter.
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Even with antibiotic treatment, death rate of cutaneous is still extremely high.
幽州智泉寺的僧人静婉刻经于石,后世代相续,从隋朝开始,经唐、辽、金、元、明六朝,刻经千载,整理共得石经14278块。()
A. 对
B. 错
Patients who are diagnosed as anthrax don’t have to be quarantined for ______.
The internet______________________(对产生深远的影响) people’s lifestyle and value systems.