属于Ⅰ型超敏反应的疾病是A．肾小球肾炎 B．风湿病 C．过敏性休克 D．免疫性溶血性

下列哪项为大叶性肺炎最常见的致病菌

A．绿色链球菌

B．流感嗜血杆菌

C．肺炎链球菌

D．大肠杆菌

E．绿脓杆菌

化简：2a-5b-3a+b=______．

重在控制资源的控制是（）

A、前馈控制

B、现场控制

C、直接控制

D、间接控制

Rosa and Dimitri are the parents of two children.Their daughter Anna is 17 years old and has asked her parents for permission to marry her boyfriend Alexei. Anna’s ext birthday is in 11 months’ time.Their son Peter is 21 years old. He has had numerous personal problems, including convictions for theft. His various ddictions have also led him to steal from his family, causing considerable financial difficulties for them.Required:

(b) Explain the extent to which the provisions of the Civil Code can be invoked by Rosa and Dimitri in order to rotect themselves if Peter’s personal problems continue to affect their situation. (6 marks)