噪声是指使人讨厌的、无价值的、不需要的、致害的（）总称为噪音。

下列属于Java编译命令的是( )。

A．javac

B．java

C．javadoc

D．appletviewer

对超声诊断的描述正确的是（）

A.超声在均质液体中呈单反射性

B.超声在肝脏中反射界面较多

C.肾脏纤维化时呈单反射

D.含气的脏器为无反射

E.大量脂肪沉积的脏器常被吸收衰减

根据我国法律的规定，设立外商投资企业，外方投资者以外币缴付出资，应当按照一定的标准折算成人民币或套算成约定的外币，该标准是( )。

A．在合营合同中约定的汇率

B．当日中国人民银行公布的基准汇率

C．当月第一日中国人民银行公布的基准汇率

D．当日中国人民银行公布的买入价

阅读理解

     A twenty-nine-year-old kindergarten teacher from Maryland was named National Teacher of the Year

in 2006. On June first she would begin a year as a national and international spokeswoman for education.

     Kimberly Oliver was the first National Teacher of the Year from her state. She taught five-year-old

children at a public school in Maryland, near Washington, D.C. President Bush honored her and other

top teachers at the White House.

     Kimberly Oliver said she wanted people to understand that the first several years of a child's life were

the most important for learning. She said investing in children at a very young age would result in great

gains later in school and in life. She called on parents to read to children from an early age so they would

not fall behind in school. One of the activities at her school was an event called " Books and Supprer

Night ". Families read together at the school and received free books to take home. Parents, children and

teachers also ate dinner together.

     Broad Acres Elementary School was in a poor area. Many of the parents were immigrants with limited

English. Kimberly Oliver helped improve learning environment at her school. She received money to buy

electronic learning systems, tape players and books in English and Spanish and sent them home with

students. Parents said she had shown them how to help their children at home.

     She was born and raised in Delaware. She held one degree in English and another in Elementary

Education. Kimberly Oliver would follow in the footsteps of another teacher Jason Kamras from the

Washington area as National Teacher of the Year. Jason Kamras, as honored for his work, teaching math

to middle school students in the nation's capital.

     The National Teacher of the Year program began in 1952. A fourteen-member committee choose from

among teachers honored as the best in their states.        

1. From the text we know that in the state of Maryland, ______.

A. no other teacher than Kimberly Oliver had been given the honor

B. Kimberly Oliver had been teaching in a middle school for many years

C. Kimberly opened her own school early in Washington in 1952

D. many other teachers were given the honor together with Oliver

2. Oliver hoped that parents should _____.

A. spend more time playing with their children

B. read to their children at an early age  

C. not give too much money to their children

D. stay at school with their children more often

3. Kimberly Oliver had been named National Teacher of the Year mostly because ______.

A. she taught five-year old children at a public school

B. the elementary school she taught in is in a poor area

C. she was helpful ahd had many special and good ideas in teaching children

D. she called on parents to read to children from an early age

4. The National Teacher just before Oliver comes from _____. 

A. Delaware      

B. Maryland      

C. New York    

D. Washington

下列哪一情形，不能必然引起共同诉讼( )

A．甲驾车不慎将停在路边的乙、丙共同拥有的一辆载货卡车撞毁，乙遂向人民法院起诉甲请求其赔偿损失

B．某贸易公司借用一机械厂的合同专用章与某商场签订一份购销合同，后贸易公司因未能履约而被商场诉至人民法院

C．因一般保证责任保证合同纠纷引起的诉讼中，债权人向保证人与被保证人一并主张权利

D．张某、王某、李某三人合伙成立一家生产家俱的工厂，因与广大公司发生合同纠纷，该工厂遂向人民法院起诉广大公司