单项选择题
1、 As John Lennon once said，life is_____ happens to you while you are busy making other plans.
A．which
B．that
C．what
D．where

2、 三角形的三个内角组成等差数列，下面正确的是    (    )
A．三个角都是60。
B．三个角都不为60。
C．至少有一个角不小于60。
D．只有一个角为60。


3、 图6-2中，反映我国油菜主要产区的是（　　）

4、 Sarah had her washing machine repaired the day before yesterday,__________she?
A．had
B．did
C．didn' t
D．hadn' t


5、阅读下列短文，回答题。
     Many people earn their living with their hands． Ed earns his living with his feet! And a very
      good living it is, too．
     Ed' s story began in a very small town in Brazil． His father and mother were very poor． Sevenpeople lived in their tiny house． Ed' s father often played football． Little Ed wanted to play footballtoo． So his father made a soft ball for him to kick． It was a sock filled with soft materials． The littleboy kicked it every day．
      At last Ed learned to kick a real football． By the time he was 11, he played footbal~ very well．One day Ed was playing with some men． A man passing by saw how fast the boy run． Hestopped to watch． How well Ed kicked the ball!
      After the game, the man called Ed to him． "My name is Mr． Dee," he said． "I used to play
      7football for a living． Will you let me teach youwhat I know?"Oh, yes !" Ed answered．
      In the next four years, Mr． Dee trained Ed to be a fine player． The boy worked hard． At last Mr．Dee talked to Ed' s father． "This boy is ready to play with the big teams," he said． "Let me takehim to a city that has a good team． "
      Mr． Dee took Ed to Santos, Brazil． There ,the boy joined the Santos Football Club．
      In his first big game, Ed helped his team win by seven points． He made four of the seven points !Many people thought he was the best football player in the world． He was "The King ofFootball"．
What is said about Ed's family when he was a little child?
A．There were seven people in his family．
B．His father made soft balls for a living．
C．His parents liked playing football．
D．His parents bought him a football．


6、等差数列{an}的公差d<0，且n₂·n₄=12，a₂+a₄=8，则数列{an}的通项公式是
A．a_n=2n－2(n∈N^*)
B．a_n=2n+4(n∈N^*)
C．a_n=－2n+12(n∈N^*)
D．a_n=－2n+10(n∈N^*)


7、 图2-2是一个沿x轴正方向传播的简谐横波在t=0时的波形图，则A点的振动图像是图2-3中的（　　）


A．(a)
B．(b)
C．(c)
D．(d)


8、 下列方程中表示的图形是一条直线的是



9、 依次填入下面句子横线处的语句，与上下文语意连贯、音节和谐的一组是（　　）
——人人都像塌了架，丢了魂，一声长叹接着一声长叹。
①孩子不哭了
②狗不叫了
③鸡不啼了
④女人不笑了
A．②①③④   
B．①④③②
C．②③④①    
D．③②①④

填空题
10、 函数y=4sin xcosx的小正周期及值分别是____．

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