although和while都是连词,都可引导让步状语从句,但在用法上有很大区别。
although为从属连词,引导让步状语从句,意为“虽然,尽管”,相当于though,所引导的句子通常置于句首.
Although it was only four o‘clock,the lights were already on. 尽管才四点,灯却已经亮了
Although he is still young his hair is grey. 虽然他还很年轻,但头发已经灰白一双
while意为“然而,但是”,用作并列连词,表示前后的对比,所引导的句子不能置于句首
Jack likes football,while his brother likes basketball.. 杰克喜欢足球,而他的弟弟却喜欢蓝球.
[注意] while也可用作从属连词,引导让步状语从句,意为“虽然,但是”,可和although换用
While/Although we don‘t agree,we continue to be friends.
尽管我们意见不同,但我们还是朋友
While/Although it was so cold,he went out without an overeoat.虽然天气很冷,但他没有穿大衣就出去了.
7. unfortunate adj.不幸的 adv.不幸地,不幸运地
I would like to apologize for this unfortunate mistake. 我谨就此令人遗憾的错误致歉。
She was unfortunate to miss the last train. 她不幸错过了最后一班列车
Unfortunately,he didn‘t pass the exam. 不幸的是,他没有通过考试.
8. share v.&n
(1)v. "分享,分担,分配”,常用句式:share sth. with sb
Would you share your newspaper with me‘? 我们一起看报纸好吗?
Why didn‘t we share the expenses among us? 我们为何不一起分担费用呢?
I share a flat with four other people. 我和其他4人共用一个公寓
Let‘s share the pizza beticeen the two of us. 我们俩来分享这个比萨饼吧
His property was shared equally among his children. 他的财产被他的子女平分了.
(2) n. 一份,份额
I‘ve not got my share of the cake yet. 我还没分得我的那份蛋糕.
9. mean v.
(l)mean做动词,意思是“意味着…;有……的意思”,后常接名词或v.ing形式作宾语
What do you mean by saying so? 你这么说是什么意思?
What he said meant hiring some more workers. 他的意思是再雇一些工人