教师寄语：It’s up to you. 未来由你来创造
重点词汇：
1．calculator —calculate (v.)
1)计算,核calculate sth计算(核算)…(数) He calculated the costs very carefully.
2). 估计;预测;推测[+(that)][+wh-] ; 计划,打算;使适合(某种目的)，故意做某事
It has been calculated that…据估算……
I calculate what it’ll cost.我估计那会花多少钱。
His remark was calculated to hurt her.他的话是故意要伤她的。
This advertisement is calculated to attract the attention of the children.
3). 【美】【口】 以为,认为[+(that)] I calculate they will soon arrive.
2. sum n. 金额; 款项; 总数; 总和 total n. 总数；合计
1). He was fined the sum of 200. 他被处以200英镑罚金。
2). The sum of 5 and 3 is 8. 5加3的和是8。
[重点用法] in sum简言之; 总而言之 sum sb/sth up形成对某人[某事物]的看法
