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问题 多项选择题

对新进入者与竞争对手之间的抗衡情况，应该重点注意（）、（）、（）这三个方面。

A.技术差异

B.财务差异

C.卖方密度

D.产品差异

E.进入难度

答案

参考答案：C, D, E

填空题
用方框中所给词的适当形式完成这封信。
clean, wash, take, play, do, feed, give, forget, have, you
Dear Linda,
       Thank you for   1   care of my bird-Polly. Could you please   2   these things everyday?   3   her
en ought water and   4    her some rice. Then   5   her bowl after meals. Could you please   6   with her?
Don't   7    to change her water every day, and remember to   8   her cage every night. You are sure
to   9   fun!     
       Thanks, that's all.
                                                                                                                                                  10  
                                                                                                                                               Mary
                                                                                                                                             
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单项选择题

检验检疫机构对“检验检疫类别”中含有( )的商品实施进口商品检验。

A．M

B．N

C．P

D．Q
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