书面表达。

  阅读下列邮件，然后根据要求写一封回信。

Dear Yang Fen,

     Now I am new here. I can't understand what the English teacher says, and I am afraid of talking with

 the classmates here. But the biggest problem for me is that I can't sleep the night before a big exam. Could

  you help me?Yours,Wang Lin

要求：请根据王林的困难，运用以下句型给出建议。 80词左右。开头和结尾已给出，不计入总词数。

You should ...

Why don't you ...

 If I were you, I would ...

Dear Wang Lin,

  I'm glad to hear from you. I have some suggestions that may help you.______________________________________________________________________________________________________________________.

     I hope you will do better in English and get along well with your new classmates.

                                                                                                                                          Yours,

                                                                                                                                         Yang Fen

An analyst does research about gross profit margin and gathers the following information about a company in 2012:
·Average inventory is $2000
·Ending inventory of the year is $2500
·Total revenue is $20000
·Inventory tumover ratio is 5.5
·Tax rate is 40%
The gross profit margin for the company is closest to:

A. 27%
B. 31%
C. 45%