初二英语上册语法复习详解（34）-be good...用法

　　34) be good(bad) for、be good at的相关用法

　　1.be good for 对......有益

　　Doing morning exercises is good for your health.

　　做早操对你们的建康有益。

　　2.be good at 擅长于......

　　Li Ping is good at basketball.　　　李平擅长于篮球。

　　= Li Ping is good at playing basketball.　　　李平擅长于打篮球。

　　be good at = do well in 如：

　　Im good at math. = I do well in math.　　　我擅长于数学。

　　3.be good to 对......好

　　Parents are always good to their children.

　　父母亲总是对他们的孩子好。