中考英语词语辨析(34)

　　at/ to

　　Ⅰ. at多表目的或目标，而to 则仅表方向。如：

　　① He threw the ball at me. 他对准我扔球。

　　② He threw the ball to me. 他朝着我这个方向扔球。

　　③ My father shouted at me.我父亲对我吼叫。

　　④ My father shouted to me. 我父亲朝着我喊叫。

　　a year and a half / one and a half years

　　这是英语中表示多少半的两种说法：如：

　　① an hour and a half = one and a half hours. 一个半小时

　　② two kilos and a half = two and a half kilos 两公斤半。