——She's seldom asked to do housework at home, she?—— . Her parents are very busy with their work, so she has to do the laundry every day.
A:has; Yes
B:hasn't; No
C:is; Yes
D:isn't; No
人民代表大会制度是我国的根本政治制度。( )
一辆汽车匀速通过某段公路,所需时间t(h)与行驶速度v(km/h)满足函数关系:t=kv,其图象为如图所示的一段曲线,且端点为A40,1和Bm,0.5,若行驶速度不得超过60(km/h),则汽车通过该路段最少需要时间为( )
读澳大利亚气候分布图,下面对该国气候特点描述正确的是( )