英语表示选择关系和因果关系的的并列连词
表示转折关系：表示转折的并列连词主要有but、yet、while等，这些连词连接并列的单词、短语、从句或句子，表示前后两部分意思相反或相对。
表示选择关系：表示选择的并列连词主要有or、either...or...、neither...nor...、otherwise等，这些连词连接并列的单词、短语、从句或句子，表示前后两部分是选择关系，或者其中一个是另一个的备选项。
考向1：表示选择关系的并列连词
连词 意义 例句
or 或者；否则 Hurry up, or you will be late.快点，否则你会迟到的。
or else 否则；要不然 Be careful or else you will make a mistake.小心，否则你将会犯错误。
rather than 而不是 I will do it myself rather than ask him to do it.我会亲自去做这件事，而不是叫他去做。
not…but 不是……而是…… John is not her father but her uncle.约翰不是她的父亲而是她的的叔叔
either…or 或者……或者…… Either Alice or her father cooks meals at home·要么爱丽丝要么她爸爸在家做饭。

whether…or 不管是……还是…… They haven’t decided whether they will go to London or Berlin。他们尚未决定-是去伦敦还是去柏林。

背单词的好方法
随时随地背单词
不知不觉背单词
单词不用记

考向2：表示因果关系的并列连词
连词 意义 例句
for 意为＂因为＂，用来补充说明或表示推测性的理由，不能置于两个并列分句的句首，只能放在两个分句的中间。 It must have rained last night, for the ground is wet.
昨晚一定下雨了，因为地面是湿的。
so 表示＂因此；所以＂时，不能与because 连用。 He worked hard, so he passed the exam.他努力学习，所以通过了考试。

    With more and more cars on the road，traffic jams are inevitable.Traffic jams can lead to increased accidents as there are more cars，with more people trying to get to their destination，all the while getting worse.Although it's impossible to avoid traffic jams altogether，there are some tips you can follow to reduce the amount of time on the road.
    Check for traffic jams before you leave.You can listen to the radio for traffic news，or check on the Internet to get up­to­minute information on traffic.If the route you want to take is heavy with traffic，you can choose another.
    Look for a different route permanently.Most traffic jams occur on busy roads.Using country roads could see you avoiding a lot of traffic.Although the distance you may have to travel is further，it can work out quicker.
    Set your car radio to receive traffic bulletins.Many new car stereo systems(汽车音响系统)are equipped with a radio system by which you can hear the traffic channel.This way you can get the latest traffic information and change your journey if necessary.
    ________.Most traffic jams usually occur during rush hour，so try to avoid this time period if possible.Some jobs offer flexible working hours so that you can travel to work outside of rush hour.Some jobs even allow you to work from home so as to avoid commuting altogether.Ask your manager to see what you can do if traffic is a problem for you.
    Use public transport alternatives where available.The easiest way to avoid traffic jams is to take buses or the underground instead of driving your own car.Not only will you avoid traffic jams but you will most likely be saving money as the cost of motoring rises.
1．The underlined word“inevitable”in Paragraph 1 probably means________.
A．hard to accept  B．impossible to avoid
C．getting less serious  D．seen everywhere 
2．The author wrote the text in order to________.
A．explain why there are traffic jams
B．tell the negative effects of traffic jams
C．tell us what we can do on the road
D．tell us how to save time on the road
3．To get the latest traffic information，you could do the following except________.
A．surfing the Internet
B．listening to the radio for traffic news
C．listening to the traffic channel
D．turning to other drivers for information
4．Which of the following can be put in the blank in the text?
A．Choose a job that has flexible working hours
B．Try traveling at different time
C．Make friends with your manager
D．Work from home

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