生词和短语：

arithmetic：n.算术

dull： a.乏味的；无趣的

sum：n.算术

care for : 喜欢

do something else：做别的事情

give sb a good education：给......接受良好的教育

an important part of：......中重要的一部分

play the piano：弹钢琴

get right：作对，算对

重点单词：

Dull

【释】lacking interest or excitement; boring; monotonous 枯燥无味的; 令人厌烦的; 单调的

【例】The conference was deadly dull. 会议开得死气沉沉的。

重点短语：

care for

【释1】like 喜欢

【例】As for me, I don' t care for tea.就我来说，我是不喜欢喝茶的。

I wonder whether they will care for us all to go there.我不知道他们是否喜欢我们都到那儿去。

I don't much care for impulsive people like him.我不太喜欢像他这样浮躁的人。

【释2】照顾

He's entrusted his children to me/to my care for the day.他托我照看一天孩子。

It seemed to be her mission to care for her brother's children.照顾她兄弟的孩子似乎成了她一生的使命。

【释3】mind 介意，在乎，讲究

【例】I do not care for the things women care for.女人们讲究的东西，我不讲究。

He works hard, but he doesn't care for his health.他工作努力, 惟注意身体不够。

He doesn't care for what he eats.他对吃的东西并不计较。

I thought you would never care for anything but your art.我以为你绝不会关心任何事物，除了你的艺术之外。