高一英语知识点总结及重难点解析：Unit1-2单词聚焦(7)

　单词聚焦(7)

　　13. solve的用法

　　▲构词：solution n. 1. [C] (问题的)解答;(困难的)解决方法 2. [U] 解答，解决 3. [U] 溶解

　　▲搭配：the solution to 解决……的办法

　　【考例3】In the end, one suggestion seems to be the solution ____ the problem. (2001北京春招)

　　A. with B. into C. for D. to

　　[考查目标] solve名词solution的相关搭配。

　　[答案与解析] D “对于……的解决办法”，介词用to。

　　14. total n. / adj. 全部(的)

　　(1) in total 加起来In total, there must have been 20000 people there.

　　(2) a total of 总共His expenses (支出) reached a total of $100.

　　(3) the total of...……的总数 The total 0f the bill is 230 dollars.

　　15. when conj.

　　when并列连词，= and then，表示“就在那时，突然”，常见以下句型中：

　　(1) be doing...when...正在做……突然……I was wandering through the streets when l caught sight of a tailor's shop.

　　(2) had done...when...刚做了……突然……I had just sat down when the light went out.

　　(3) be about to do...when...刚要做……突然……I was just about to go swimming when our guide saw me and shouted at me.