问题 选择题
矩形ABCD中的顶点A、B、C、D按顺时针方向排列,若在平面直角坐标系内,B、D两点对应的坐标分别是(2,0)、(0,0),且A、C两点关于x轴对称,则C点对应的坐标是(  )
A.(1,1)B.(1,-1)C.(1,-2)D.(
2
,-
2
答案

已知B,D两点的坐标分别是(2,0)、(0,0),

∴OB=2,

连接AC,因为A、C两点关于x轴对称,所以AC⊥BD,

所以四边形ABCD为正方形,

即可知A坐标为(1,1),

所以点C坐标为(1,-1).

故选B.

阅读理解
阅读四则广告,根据广告内容判断句子正误,正确用“T”表示;错误用“F”表示。
                                             Miss White
     Do your children enjoy interesting stories, funny games and exciting dances?
     Miss White will be ready to teach children all these things at the City Theater at 10:00
on Saturday morning for free (免费).

                                       International Picnic
     Are you tired of eating the same food every day ? Come to the Nature Park on Saturday
and enjoy food from all over the world. Delicious but not expensive. From noon to 5:00 p.m.

                                              Ball Game
     It's October, and Saturday night (7:00-9:00) is your last chance to see The Red Birds this
year. Get your tickets at the gate. You will see it outdoors. It may be cold. Don't forget to wear
sweaters and jackets.

                         Do You Want to Hear "The Zoo"?
     "The Zoo", a popular rock group from Australia, will give their first concert this Saturday
night, at eight in the Rose Hall, City College.
( )1. On Saturday morning, children can learn dancing at the City Theater.                        
( )2. The Red Birds ball game is indoors in the evening.                                          
( )3. You can enjoy different kinds of foods from all over the world if you go to the Nature Park.
( )4. "The Zoo" is a music group.                                                                
( )5. According to the advertisements we can have a nice Saturday night.                          
单项选择题 案例分析题