一、并列连词
1. 表示平行关系的连词有：
and,also,nor,as well as,
not only...but also...,
both...and...,neither...nor..., when等。
A strong army and a strong airforce are indispensible to the defence of a land locked country.一个强有力的陆军和一个强有力的空军对于保卫一个四周皆为陆地的国家来说是必不可少的。
Strike out the old address and write in the new one.把旧的地址划掉,写上新的。
They were cheering, also singing, as they set out.他们出发时不断欢呼,还唱着歌。
I will not cease from mental fight,nor shall my sword sleep in my hand.我不会停止内心的争斗,我的剑也不会在手中睡大觉。
His parents as well as he treat me very well.他父母和他对我都很好。
The bear eats fruit and insects as well as flesh.熊吃水果、昆虫,也吃肉。
Both the teacher and the students have come.老师和学生都来了。
Not only students but also their teacher is in the classroom.不仅有学生,他们的老师也在教室里。
She not only plays well, but also writes music.她不仅很会演奏,而且还会作曲。
Neither you nor he is right.你和他都不对。
I was walking along when someone called me from behind.我正走着,忽然后面有人喊我。
2. 表示转折关系的连词有：but,yet,however,only,while,nevertheless等。
The watch was cheap,but it goes quite well.这块表虽然便宜,但走得很好。
The situation's improving but we're not out of the wood yet.情况正有所改善,但我们仍未摆脱困境。
She's a funny girl,yet you can't help liking her.她是个古怪的女孩,但你禁不住会喜欢她。
The boy is so fat yet he runs very fast.这男孩很胖,却跑得很快。
They had not trained hard,however they won.他们训练并不努力,然而他们赢了。
Motion is absolute while stagnation is relative.运动是绝对的,而静止是相对的。
She would attend the party,only she has nothing to wear.她要去参加舞会,可是没什么可穿的衣服。
The news may be unexpected;nevertheless it is true.这消息也许是出乎意料的,然而是真实的。
3. 表示选择关系的连词有：or,otherwise,or else,rather than,either...or...等。
Does the door open inwards or outwards?那门是朝里开还是朝外开？
You'd better go now,otherwise you'll miss the train.你最好现在就走,要不然就赶不上火车了。
Don't make a noise or else you'll wake the baby.不要出声,否则你会把孩子吵醒的。
They preferred to stay at home rather than go to the movies.他们宁可呆在家里,也不愿去看电影。
He thinks that truth lies on either side or on neither side.他认为或者是双方都有理,或者是双方都没理。
4. 表示因果关系的连词有：for,so,therefore,whence等。
We listened eagerly,for he brought news of our families.他给我们带来了家里的消息,我们都迫不及待地听着。
The dog was hungry,so we fed it.狗饿了,所以我们喂它。
Ｉ have never been to Ｂritain；therefore Ｉ don't know much about it.我从未去过英国,所以对此不甚了解。
The coach was not on good terms with any of the players,whence team morale was rather low.教练与运动员的关系不好,所以全队的士气相当低。
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