男，50岁。既往乙型肝炎病史二十余年，今晨突然发生呕血，色鲜红，量约1500ml，急

Claude syndrome

现钞买入价最低的货币是（）

A．新西兰元

B．瑞士法郎

C．加拿大元

D．港币

_______ your clothes, Steve. You shouldn’t throw them everywhere.

A. Put away                 B. Put out                      C. Put off

开放作文。

     请根据下面提示，写一篇短文。词数不少于50。

     In your spoken English class, your teacher shows you the following picture. You are asked to describe

the picture and explain how you understand it. 

     ___________________________________________________________________________________

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波分M600和密集波分M800、900的OSC单板的入光灵敏度都是－样的，为－48db。