文档介绍：2011-2012学年七年级数学下学期期中质量调研试题(无答案) 人教新课标版
选择题(每题3分共39分)
,下列说法不正确的是················································( )
A、∠1与∠2是同位角 B、∠2与∠3是同位角
C、∠1与∠3是同位角 D、∠1与∠4是内错角
,正确的是·····················································( )
(A)相等的角是对顶角(B)有公共顶点,并且相等的角是对顶角
(C)如果∠1与∠2是对顶角,那么∠1=∠2 (D)两条直线相交所成的两个角是对顶角
,真命题是·······················································( ).
,同位角相等
,垂直于同一条直线的两条直线平行
“●”“▲”“■”表示三种不同的物体,现用天平称了两次,情况如图所示,那么●、▲、■这三种物体按质量从大到小的顺序排列为···································( )
A. ■●▲ B. ■▲● C. ▲●■ D. ▲■●
,是一元一次不等式的是········································( )
A 2x-1>0 B -1<2 C 3x-2y<-1 D y2+3>5
:长江比黄河长836千米,黄河长度的6倍比长江长度的5倍多1284千米,小东根据地理教师的介绍,设长江长为x千米,黄河长为y千米,然后通过列、解二元一次方程组,正确的求出了长江和黄河的长
度,那么小东列的方程组可能是( )
A、 B、 C、 D、
( )
,1 ,1 ,3 ,4
,商家为了促销,顾客每买一杯可乐获一张奖券,每三张奖券可兑换一杯可乐,················································( )
A. 9瓶 B. 11瓶 C. 12瓶 D. 13瓶
,已知DE∥BC,CD是∠ACB的平分线,∠B=72°,∠ACB=40°,那么
∠BDC等于··································································( )
° ° ° °
10..如图4所示,AB∥CD,则∠A+∠E+∠F+∠C等于······&