---Do you think the micro-blog really_______ a platform_______ people to show their opinions?

---Yes, I think so.

A. offers; for         B. provides; for              C. provides; with

术中暴露分离腹膜后肿瘤时，血压突然下降至70/50mmHg，脉搏52次/分，面色苍白，冷汗，临床诊断为（）

A．感染性休克 

B．神经源性休克 

C．心源性休克 

D．损伤性休克 

E．失血性休克