SLE的治疗原则是什么?

中国需要世界，世界也需要中国。中外交往不仅使中华文明更加辉煌，也促进了世界文明的发展。阅读材料，同答问题。（共20分）

材料一 美国学者谢弗评价说：“在唐朝统治的万花筒般的3个世纪中，几乎亚洲每个国家都有人曾经进入过唐朝这片神奇的土地……”

材料二 郑和与哥伦布航海情况对比表

	郑和	哥伦布
时间	1405.1433缸	1492-1504定
航海次数	7次	4次
各次航海船只	大小船只200多艘	最少3只，最多l7只
每次航行人数	约2.7万-2.8万人	最少90人，最多l500人
到达范围	到过亚非30多个国家和地区，最远到达红海沿岸和非洲东海岸	横渡大西洋，到达美洲的古巴、海地、牙买加等地

材料三 （清朝时）与外界隔绝，曾是保存旧中国的首要条件。——马克思

（1）材料一反映了唐朝实行怎样的对外政策?（2分）举出反映该政策的典型史实两例。（4分）

（2）结合材料二分析说明郑和下西洋是世界航海史上的壮举（5分）。这次远航有什么重要意义?（3分）

（3）材料三中清朝的“与外界隔绝”的政策是什么?（2分）这一政策对中国社会产生的最重大影响是什么?（2分）

（4）依据上述材料归纳我国古代中外文化交流的发展趋势。（2分）

对于做匀变速直线运动的物体，下列关系正确的是（　　） A．在连续相等的时间内通过的位移之差总是等于aT2 B．在中间时刻的瞬时速度 C．在连续相等的时间内所通过的位移之比为连续奇数比 D．以上说法都不正确

阅读理解。

     The city of Venice，in  Italy，is one of a kind．It is built on more than 120 islands，just

off arrival．After explaining where my new house was，I told him that I had left the key under

the doormat．Since I knew it would be quite late before I could get back，I suggested that

be make himself at home and help himself to anything that was kept in the refrigerator（冰箱）．

     Two hours later my friend phoned me from the house．At the moment，he said，he was

listening to some of my records after having had a nice meal．He had found the pan and meat

in the refrigerator．Now，he was drinking a cup of tea and hoped that I would join him soon．

When I asked him if he bad any difficulty finding the house，he answered that the only problem 

 was that he had not been able to find the key under the doormat，but luckily，the living room

window by the apple tree had been left open and  he had climbed in through the window．I

listened to all this in great surprise．There is no apple tree outside my window，but there is one

by the living room window of my next-door  neighbor’s house！

1．When my friend arrived，I could not go to meet him because________．

A．we were not good friends        

]B．I was busy at work

C．he had not told me that he would come  

D．I did not want to see him

2．A doormat is a mat______

A．used as a door        

B．for cleaning the bottom of shoes

C. put up on a door as an ornament（装饰物）

D．near a door under which people put their keys

3．I listened to my friend’s phone call in great surprise because____．

A．he had not waited for me to eat together

B．he had eaten too much of the food

C．he mistook my neighbor’s house for mine

D．he had left the house with the window open

4．At last my friend______．

A．did not enter my house

B．entered my house after he opened the door

C．entered my house by climbing through the window

D．entered my house with the help of my neighbor

5．The writer left the key under the doormat so that______．

A．nobody would find it

B．he might not lose it

C．his family could use the same key

D．his friend could easily get it

女，36岁，因突发寒战、高热、腰痛、尿急、尿频、尿痛入院。既往无类似病史。查：体温39.4℃，右侧肾区有叩击痛；尿比重1.020，尿蛋白+，白细胞+++，白细胞管型0～2个/HP。

上述病例如果临床无条件做尿细菌检查，应首选的抗生素治疗是（）

A.青霉素

B.红霉素

C.交沙霉素

D.庆大霉素

E.万古霉素

能引起溶血的药物是（）

A.阿司匹林

B.对乙酰氨基酚

C.保泰松

D.布洛芬

E.吲哚美辛