Her father is engineer, her mother is doctor.[ ]
A. a; a
B. an; an
C. an; a
答案:C
Young adults ______ older ones are more likely to prefer sports and become enthusiastic sports fans.
A.other than
B.more than
C.less than
D.rather than
关于安装在天棚上的探测器边缘与相关设施的边缘水平间距的表述,不正确的是()。
A.距电风扇的净距不应小于1.5m
B.距不突出的扬声器净距不应小于0.1m
C.与各种自动喷水灭火喷头净距不应小于0.3m
D.与照明灯具的水平净距不应小于0.5m