语法系列复习专题之介词、连词

     because, since, now that, so…that(既然), such…that, so that, in order that,

     as if,as thouth,though, although, even though, no matter who/whoever/…，

     unless, as/so long as, in case(以防)等。

二、使用连词注意点：

  1．for是并列连词，它所引出的理由是一种补充说明，语气很弱。它所引导的分句几乎

     可以放在括号里。其引导的分句不能放在句首。

     例如：He might have gone to bed, for the light went out.

  2．though和although引导从句时主句前不能用but。例如下面句子是错误的：

     Although/Though he was ill, but he went to school.(改正的方法是将but去掉，

     或将although, though去掉)。

  3．because，as引导原因状语从句时，主句前不能用so。例如下面句子是错的：As /

     Because there are no classes tomorrow，so they will go on a picnic.（改正

     的方法是去掉as, because或去掉so。）

  4．当because用来解释或说明某一动作时，不能用for来代替。Why开头的问句要用

     because开头引出原因，而不能用for开头引出原因。

连词考点分析

  1．She thought I was talking about her daughter,______in fact I was talking about

     my daughter.(NMET)

     A.whom       B.where       C.which      D.while

  析：空白处需填一个表示转折对比的连词，while可表“而”、“却”意，故答案为D。

  2．He hasn¢t yet arrived. He may,______, come later.

     A.but      B.though      C.or       D.however

  析：从空白处看，前后都有逗号，however适合填入，又因however意“然而”，“但是”，

      填入空白处后，前后两句意思连贯，故D为正确选项

  3．— I don¢t like fish______ chicken.

     — I don¢t like fish______ I like chicken very much.

     A.and; and    B.and; but     C.or; but      D.or; and

  析：观察第一句，谓语为否定式，其空白处应该用or来连接并列事物，故可排除A、B。

      观察第二句，显然空白处需用一个转折连词，故答案为C。

  4．Good technique in medicine means less pain and fewer deaths and,_____ ,it is

     our duty to master it.(上海高考题)

     A.altogether     B.therefore      C.otherwise      D.however

  析：从上下文看，前后为因果关系，故应选B。

  5．Mother was worried because little Alice was ill, especially______ Father was

     away in France.(NMET)

     A.as             B.that            C.during        D.if

  析：首先可排除C。因为during是介词，不能引导从句。that和if虽然可以引导从句，

      但不能表述Mother was worried的原因。故只能选A。

  6．______ you don¢t like him is none of my business.(上海高考题)

     A.What      B.Who       C.That       D.Whether

  析：从题干看，需要空白处填一词引出you don¢t like him这样一个事实，显然只有选

      C.That合适。

  7．The day breaks______ the birds are singing.

     A.because    B.as      C.since       D.for

  析：若选A、B、C，则The day breaks(天亮)的原因就是the birds are singing(鸟叫)，

      显然这是不成理的，只有for引出的句子作为一种附加说明才成立。

介词、连词专练

 1．—The place isn¢t too bad, is it?

    —______ it¢s a bit too crowded.

    A.No, but      B.Yes, though     C.No, because     D.Yes, yet

 2．Five minutes earlier,_____ we could have caught the last train.

    A.but          B.and             C.so              D.or

 3．They may go to

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