.  To keep the rule of clarity, the word "render" should be replaced by (  ).
A. Give
B. Send
C. Receive
D. Give up
      满分：4  分
7.  We will mail your order (  ) we receive your credit card number.

A. as soon as
B. unless
C. thus
D. likewise
      满分：4  分
8.  The plural form of Mr is (  ).
A. Mres
B. Mess
C. Messrs
D. Meres
      满分：4  分
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解决方法
  二、多选题（共 10 道试题，共 60 分。）V 1.  To ensure coherence, words like (  ) should be used.
A、 B、
C、 D、
A. as opposed to
B. in particular
C. to sum up
D. in general
      满分：6  分
2.  Which are  wrong formats of  writing dates?
A. October 3rd, 1999
B. Oct.3 , 1999
C. January 4, 1999
D. 4 January 1999
      满分：6  分
3.  We have many (  ) in this city who want to buy your cotton goods.
A. clients
B. customers
C. servers
D. users
      满分：6  分