国家统计局公布数据显示，2011年前十个月份我国居民消费价格（CPI）处在高位区间，防通胀目前已经超越保增长，成为宏观调控的重要目标。下列哪些措施有利于控制CPI上涨

①央行上调人民币存贷款基准利率 

②增加市场粮食、蔬菜等农产品供给

③国家财政补贴上调             

④提高个人所得税起征点

A．①③

B．①②

C．②④

D．③④

Any computer, be it a large PC or a small embedded computer, is useless if it has no means to interact with the outside world. I/O communications for an embedded computer frequently happen over a bus called the ______.

A．I/O bus

B．Memory Bus

C．Device bus

D．Internal Bus