霍乱确诊主要依靠
A.血培养B.特异性IgM抗体C.血涂片D.大便培养E.脑脊髓检查
参考答案:D
解析:霍乱出现剧烈腹泻,大便中有霍乱弧菌。
______ in the school regulation that students shouldn’t use cell phones in the campus.
A.What requires
B.What is required
C.It requires
D.It is required
班纵队变班二路纵队的口令是()。
A、成班二路纵队--走
B、成班--二路纵队走
C、成班二路--纵队走
D、成--班二路纵队走