4、如图A、C是函数y= 的图象上任意两点AB垂直于y轴,CD垂直于y轴,则记
△AOB面积为S1,△COD面积为S2,则 ( )
A、S1>S2 B、S1<S2
C、S1=S2 D、不能确定S1,S2关系
A、正方体 B、圆柱 C、三棱柱 D、球
3、下列几何体中,主视图、左视图与俯视图一定是全等图形的几何体是 ( )
2、矩形具有而一般平行四边形不一定具有的是 ( )
A、对角线相等 B、对角线互相平分 C、对角相等 D、对边平行且相等
1、方程(3-X)2=(X-3)的根是 ( )
A、X=4 B、X=3 C、X1=-3,X2=-4 D、X1=3,X2=4
( )5. The underlined part “host city” means “ ” in Chinese.
A. 美丽城市 B.主办城市 C.都市风情 D.奥运之都
Ⅴ.作文(10分)
请以 I love … 为题,介绍你所喜欢的人或物。要求:题目自拟, 写出你喜欢某人或某物的原因, 并对该人或物做简单介绍。字数60~80字。
( )4. How often are the Olympic Games held?
A. Once a year. B.Every two years.
B. Every three years. D.Every four years
( )3.The special Olympic flame goes all the way from to where the games will be held.
A. Greece B.Toronto C. Paris D.Beijing
( )2. The founder of modern Olympic Games was .
A. a famous athlete B. a Greek ruler(统治者)
C. a French government official D. a famous man of Greece
( )1. When and where were the first modern Olympic Games held?
A. In 1869, Paris. B. In 1896, America.
C. In 1896, Greece. D. In 2000, Sydney