单项选择题
1、 （     ）
A．平行四边形    
B．矩形    
C．菱形
D．正方形


2、 --Would you take this along to my home for me?
--__________．
A．With pleasure
B．That' s right
C．Never mind
D．Don' t mention it


3、阅读下列短文，回答题。
Looking for Pen Pals
      Mary,24 years old, comes from Scotland and would like to find apen pal(笔友)who comesfrom East Europe． She likes playing the piano and listening to jazz music． She is interested in historybut does not like discussing politics．
Jim, 19 years old, comes from South Korea． He would like a pen pal who is interested in discus-sing the differences of life in Europe and Asia． He loves traveling, listening to pop music and playingfootball in his free time．
      Pietro ,42 years old, comes from Argentina． He is a businessperson and would like to find a penpal who is also a businessperson and lives in North America． He likes using the Internet and listeningto light music．
      Helga,31 years old, comes from Germany and speaks French, English and Russian． She wouldlike a pen pal who is interested in exchanging (交流) ideas about language learning． She does notlike using computers for learning and believes that language learning can only happen in a class-room．
      Jennifer, 18, comes from New Orleans． She is interested in discussing the political differences
      between East Europe and North America． She loves horse-riding and listening to jazz music．
      Alessandro,25 years old,comes from Rome． He is interested in finding a pen pal who speaksdifferent languages and can exchange ideas on using computers for learning purposes． He likesplaying football in his free time．
Who are interested in the same kind of music?
A．Mary and Pietro．
B．Pietro and Jim．
C．Jim and Jennifer．
D．Mary and Jennifer．


4、下列加点成语使用不正确的一项是（　）
A．1937年12月，侵华日军制造了惨绝人寰的南京大屠杀，30万同胞惨遭杀戮。
B．韩国政府在将“端午”成功申请为世界文化遗产之后，又大张旗鼓地开展了为“汉字”申遗的工作。
C．中国选手在2011年深圳大运会比赛中不孚众望，以优异的成绩展现了自己的风采。
D．古巴年近八十的总统卡斯特罗在大病初愈后走起路来还真有些鹅行鸭步。


5、 下列命题中，正确的是
A．平行于同一个平面的两条直线平行
B．平行于同一条直线的两条直线平行
C．垂直于同一条直线的两条直线平行
D．若两条直线没有公共点，那么两条直线平行

6、
A．(0，+∞)
B．(1，+∞)
C．(2，+∞)
D．(4，+∞)

7、 若a=(1，5，-2)，b=(m，2，m+2)，且a⊥b，则m的值为
A．0
B．6
C．-6
D．±6


8、甲、乙两人独立地解同一个问题，甲解决这个问题的概率是P₁，乙解决这个问题的概率是P₂，那么其中至少有1人解决这个问题的概率是
A．P₁+P₂
B．P₁P₂
C．1－P₁P₂
D．1－(1－P₁)(1－P₂)

9、 已和氘原子核由一个质子和一个中子组成．设氘核、质子和中子的质量分别为m_D、m_p和m_n，则质子和中子结合成氘核时(  )
A．m_D=m_p+m_n，吸收能量
B．m_D=m_p+m_n，放出能量
C．m_Dp+m_n，吸收能量
D．m_Dp+m_n，放出能量


10、
A．anything
B．many
C．animal
D．ate

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