题目内容

仔细阅读下面的短文,短文中有10个空格。请根据语境或按照括号内的具体要求完成语法填空。

  The fax has greatly changed office work, especially in China.When you place a sheet of paper in a fax machine, the machine“reads”the writing on the page and changes the shapes of letters   1   electronic signals.It then sends these signals down an ordinary telephone line to another fax machine,   2   changes the signals back into the shapes of letters.You can imagine   3   useful this is, particularly in   4   like China and Japan, which use written characters not letters.It is also useful for sending pictures, designs, maps and so on.

  Sending a fax is more expensive than   5  (post)a letter, but much quicker.For example, you can send information abroad immediately, but mailing a letter might   6   a week or so.  7  (连词)you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will   8  (receive)even though the office is not open.There are two other points to consider.First, remember that a fax can be read by anyone, so be   9  (care)what you send!Second, do not start faxing everything!It is much cheaper to post or email a long report   10   to fax it.

答案:
解析:

  1.into 与前面的changed构成词组change sth.into sth.。

  2.which 把信号重新转换为字母的是前面提到的fax machine,所以逗号后面的句子是一个非限制性定语从句,用which引导。

  3.how imagine接的是一个宾语从句,只有how后面才能接形容词引导这类从句。

  4.countries 空后的China和Japan是“国家”。

  5.posting 与作主语的动名词短语sending a fax对应。

  6.take “某事要花多长时间”的动词要用take。

  7.If 此处的从句是后面主句情况出现的条件。

  8.be received a fax是被人接收的,所以用被动语态。

  9.careful be是系动词,后面接形容词作表语。

  10.than 连接两个不定式短语构成比较结构。


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