对于任意a∈[-1,1],函数f(x)=x2+(a-4)x+4-2a的值恒大于零

女性，45岁。皮疹半年，加重伴高热1周，伴活动后轻度的呼吸困难，辅助检查提示：尿蛋白1.0g/L，超声心动检查提示肺动脉高压，患者1日前无明显诱因突发抽搐，10分钟后自行缓解，头颅CT检查未见异常表现

患者最可能的诊断是（）

A.中枢神经系统感染

B.结核性脑膜脑炎

C.系统性红斑狼疮伴中枢神经受累

D.肥厚型心肌病伴心功能不全

E.原发性

首字母填空   (10分)

Now we live in the “computer age”. People like scientists, teachers, writers and even students use computers to do much w______. But more than 30 years ago, c________ couldn’t do much. They were very big and expensive. Quite few people were interested in them and knew how to u________ them. Today computers are smaller and cheaper. And so many people like to use them b_______ they can do a lot of work. Some even use them at home. Computers become i______ because they can work faster and make fewer mistakes. Computers can help people d______ a lot of work. Writers use them to write, students use them to s______ and children use them to play computer games. Computers can r_______ what you put into them. They are very useful and h________. They are our good f_______. We love them.

学生害怕在社交场合讲话，担心自己会因发抖、脸红、声音发颤、口吃而暴露自己的焦虑。觉得自己说话不自然，因而不敢抬头，不敢正视对方的眼睛。这种心理症状是（）

A．恐惧症

B．抑郁症

C．强迫症

D．焦虑症

60年来，西藏发生了翻天覆地的变化，其中一个重要原因是在党的领导下坚持民族区域自治制度。下列对我国民族区域自治制度理解正确的是 ( 　　)

①实行民族区域自治是我国正确处理民族关系的基本政策

②民族区域自治的地方自主制定自治法，享有自治审判权

③民族区域自治地方是中央政府统一领导下的地方行政区域

④民族区域自治地方有自治区、自治县、自治乡三级

A．①②

B．②④

C．①③

D．①④

医师是医疗工作的主体。