高考英语复习知识点：数词、代词与连词

考点一、?特殊并列连词while/when

例 I had just stepped out of the bathroom and was busily drying myself with a towel _______ I heard the (20XX年高考湖南卷)

while

when

since

after

例 like to study law at university _______ my cousin prefers (20XX年高考四川卷)

as

while

for

[解析]B?C?作并列连词时,when/while用法较为特殊,二者区别是:while表两相对照;而when表突然?在那时,常见于be about to 和等句型中?

考点二、表示原因的连词for/because/as/since

例 found it increasingly difficult to read, _____ his eyesight was beginning to (20XX年高考北京卷)

and

for

but

or

例 was very sad over the loss of the photos she had shot at Canada, ______ this was a memory she especially (20XX年高考广东卷)

as

if

when

where

例 should take seriously their childrens requests for sunglasses ________ eye protection is necessary in sunny (20XX年高考上海卷)

because though

unless

if

例 everybody knows about it, I dont want to talk any

For

Even

Since

However

[解析]B?A?A?C?引导原因连词,as/because/ since/ for的区别是:because语势最强,用来说明人所未知的原因,回答why提出的问题,可置于强调句中且其前可加修饰语; since是双方都知晓原因或经过分析而得之的原因,语气次之;for是并列连词,前用逗号隔开,表逻辑推理或补充说明;as语气最弱,原因是显而易见的或已为人们所知,即已知原因,所引导的分句可置于句首?

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