2. 并列连词
(1) 表示顺承、延续或平行关系的并列连词

并列连词	词义	例句
and	和；而且	We are singing and they are dancing.
both…and…	两者都	Both you and I are students.
not only…but also…	不但……而且……	Not only you but also he has gone to Canada.
neither…nor…	既不……也不……	She likes neither butter nor cheese.

【经典例题6】(2019山东临沂) A break between classes is a good time for students to play sports and talk with their classmates. So it _________helps with students' health, _________improves their social skills.
A. either; or              B. neither; nor              C. not only; but also
【答案】C
【解析】考查连词辨析。句意：课间休息是学生进行体育活动和与同学交谈的好时机，因此，它不仅有助于学生的健康，而且提高了他们的社交技能。either……or……或者……或者……; neither……nor……既不…….也不……；not only……but also……不仅……而且……；根据句意，课间休息对学生的健康和社交技能都有帮助，故这里表示“不仅……而且……”，选C。
【经典例题7】(2019湖北孝感) —What's the secret of success, Dr. Know?        
—More time and effort, _________ you’ll make it some day.
A. yet             B. or              C. and              D. but
【答案】C
【解析】考查固定句型。句意：——成功的秘诀是什么，Know博士?——再多花些时间和精力，总有一天你会成功的。yet但是，然而；or或者，否则；and和；but但是。固定句型：祈使句+and/or+表结果的陈述句。当前后分句为顺承关系时，连词选用and，分句前后意思相反时，连词选用or。祈使句相当于if条件句，陈述句需用一般将来时。根据句意可知，本句前后是顺承关系，选C。
(2) 表示转折或对比关系的并列连词

连词	词义	用法	例句
but	但是	表转折	His mother won’t be there, but his father might.
while	但是，然而	表对比	I like English while he likes math.
however	然而	位置灵活，用逗号与句子隔开	We tried our best. However, we lost the game.

【经典例题8】(2019山东济南) I can’t find my ruler,________ I know it's somewhere in the living room  
A. so              B. if              C. but              D. and
【答案】C
【解析】考查连词辨析。句意：我找不到我的尺子，但我知道它在客厅的某个地方。根据句意可知，前后句之间为转折关系，选C
【经典例题9】Michael was playing basketball with his friends _________ his brother was listening to music.
A. while           B. after             C. because          D. until
【答案】A
【解析】考查连词辨析。句意：迈克尔正在和他的朋友们打篮球，而他哥哥正在听音乐。根据句意可知，前后句之间表对比，选A。
(3) 表示选择关系的并列连词
 
 

连词	词义	例句
or	或者;否则	Hurry up, or you will be late.
either…or…	或者……或者……	Either Alice or her father cooks meals at home.
whether …or…	不管……还是……	Whether you like or dislike the job, you’ll have to finish it.

【经典例题10】(2019山东滨州)Emily, you are playing video games again! Study hard, ____________ you will fail in the coming exam.
A. then            B. so             C. and             D. or
【答案】D
【解析】考查连词辨析。句意：艾米丽，你又在玩电子游戏了!努力学习吧，否则你会考不及格。then然后，表顺承；so所以，表结果；and和，表并列；or否则，表条件。“祈使句+or+陈述句”为固定句型。根据句意可知，选D。
(4) 表示因果关系的并列连词

连词	词义	例句
so	因此,所以	He worked hard, so he passed the exam.
for	因为	You'd better put on your coat, for it's getting cold outside.

【经典例题11】 (2019山西) You can’t decide whether or not you like something until you try it, ________ it’s important to try something new.
A. but                B. or               C. so
【答案】C
【解析】考查连词辨析。句意：你不能决定你是否喜欢一些事情直到你尝试它，所以尝试一些新的事情很重要。but但是，表转折；or或者；否则；so因此，所以。根据句意可知，空前后之间表示因果关系，选C。