《广雅疏证》的作者是（）（时代）的王念孙。

阅读理解。

          I started my school life at the age of six. At first the school for me,

a boy, meant play , play and more play instead of sitting in the classroom

and learning   something. However I hanged the way I used to behave at

school with the help  of my teachers. I tried my best to do well in  my

schoolwork and follow the school rules.   

        Growing and learning were great fun. Every year we had different

kinds of  school trips. Not only could we learn many things f'rom them,

but also we were  given many projects as homework. It helped us know

more. At the same time,we made many good friends. In Grade 8,I won

prizes in drawing and English speech competitions. When I was in Grade

9,I realized that l should give all my attention to studying to get into senior

middle school.   

    Whenever I think of my school life,I feel very happy and I think in

everybody's school life there are many ups and downs that influence his

life. School is a place where all of us learn to care and share."School" 

 is not just a place,but a large building made up of rules, knowledge and

love.I think in everybody's success,    school plays a key(关键)role.I can

describe my school in "Three Ss". They   are: Small, Sweet and Simple.

My school was the best and will always be the best.

1.When did the writer start to go to school? 

2.Who helped the writer change the way he used to behave at school?

3.What does the writer think of the school trips?

4.What does the writer think plays a key role in everybody's success?

5.The writer describes his school in"Three Ss". What are they?

物业管理进入正常运作阶段，决定续聘还是另行选聘其他物业服务企业的是( )。

A．全体业主

B．业主大会

C．业主委员会

D．大部分业主

奔腾芯片采用的局部总线是______。

A．VESA

B．PCI

C．EISA

D．MCA

（12分）现用98％的浓H₂SO₄（ρ＝1.84g/cm³）配制浓度为0.5mol/L的稀硫酸500mL。

（1）选用的主要仪器有：烧杯、量筒、玻璃棒、            、             

（2）请将下列操作按正确的顺序把序号填在横线上：                        

A．用量筒量取浓H₂SO₄

B．反复颠倒摇匀

C．定容，最后用胶头滴管加水至刻度

D．洗涤所用仪器并将洗涤液一并转入容量瓶 E．稀释浓H₂SO₄

F．冷却后将溶液转入容量瓶

（3）简要回答下列问题：

①所需浓H₂SO₄的体积为                     mL。

②洗涤烧杯2～3次，洗液没有转入容量瓶，会使最终结果          ；定容时必须使溶液

凹液面最低处与刻度相切，若俯视会使结果            。（以上填“偏高”、“偏低”或“无

影响”）

低视力的患病率约为盲患率的（）

A.1.9倍

B.2.9倍

C.1.5倍

D.2.5倍

E.3倍