2014浙江省中考数学试题（台州卷）

………………………………………………………………………………………………………………………………………………2014浙江台州中考数学试题一、选择题一、选择题1．计算－4×（－2）的结果是·································································（）A．8B．－8C．6D．－22．如图，由相同的小正方体搭成的几何体的主视图是·································（）3．如图，跷跷板AB的支柱OD经过它的中点O，且垂直于地面BC，垂足为D，OD＝50cm，当它的一端B着地时，另一端A离地面的高度AC为···········································（）A．25cmB．50cmC．75cmD．100cm4．下列整数中，30与最接近的是·························································（）A．4B．5C．6D．75．从下列直角三角板与圆弧的位置关系中，可判断圆弧为半圆的是···············（）6．某品牌电插座抽样检查的合格率为99%，则下列说法中正确的是···············（）A．购买100个该品牌的电插座，一定有99个合格B．购买1000个该品牌的电插座，一定有10不个合格C．购买20个该品牌的电插座，一定都合格D．即使购买1个该品牌的电插座，也可能不合格7．将分式方程23111xxx−=−−去分母，得到正确的整式方程是·······················（）A．1－2x＝3B．x－1－2x＝3C．1+2x＝3D．x－1+2x＝38．如图，把一个小球垂直向上抛出，则下列描述该小球的运动速度v（单位∶m/s）与运动时间t（单位s）关系的函数图像中，正确的是····························································（）ABCDO主视方向ABCDABCD