_____ nose was red and ______ face was wet.[ ]
A. his; her
B. He; she
C. His; her
答案:C
在城市消防远程监控系统布线检查中,从接线盒、线槽等处引到用户信息传输装置的线路,当采用金属软管保护时,其长度不应大于()
A.2m
B.3m
C.5m
D.10m
益生菌的菌种应具备的特点