医院和疗养院的病房楼内相邻护理单元之间采用耐火极限不低于()的防火隔墙分隔。
A.1.00h
B.2.00h
C.2.50h
D.3.00h
参考答案:B
— _____ not here?
— Tom and Jim _____ not here. [ ]
A. Who’s, are
B. Who, is
C. Who’re, is
D. Who, are
下列各组河流中,全部注入印度洋的是[ ]
A.红河、伊洛瓦底江
B.湄公河、湄南河
C.伊洛瓦底江、萨尔温江
D.萨尔温江、湄公河