经国务院批准,自2015年5月10起,卷烟批发环节从价格税率由5%提高到11%,并按照0.005元每只加征从量税。税率调整后,我国香烟零售商纷纷上调香烟零售价格。回答问题。
植树节这天有20名同学共种了52棵树苗,其中男生每人种树3棵,女生每人种树2棵.设男生有x人,女生有y人,根据题意,下列方程组正确的是( )
根据句意及所给提示完成句子
Our teacher is ____(像)our parents.
They are waiting for you at the bus s____.
There are 2,000 v____ in the village.
I often get up at h____ past six in the morning.