某机房温度不高,但BBU进出风口周围均被杂物堵塞,导致出现的告警是()
A.单板温度过低
B.BBU故障
C.单板温度过高
D.风扇故障
参考答案:A, C
To those_____ in martial art, the period from 1972 to 1975 is often said_____the Bruce Lee era. [ ]
A. involving; being
B. to involve ; to be
C. involved ; to be
D. involve ; being
基因在体细胞中是成对存在的,控制生物遗传性状的基因,位于细胞的哪一种结构上
A.染色体
B.细胞质
C.细胞壁
D.细胞膜