综合复习(1)【基础练习】一单选题1.如图角的终边与单位圆交于点的纵坐标为则( )A.B.C.D.2.若一扇形的圆心角为半径为则扇形的面积为( )A.B.C.D.3.已知是第三象限角且则所在的象限是( )A.第一象限B.第二象限C.第三象限D.第四象限4.已知则等于( )A.B.C.D.75.若则的值为( )A.B.C.D.二填空题6.已知则.7.函数则_
综合复习(2)【基础练习】一单选题1.若代数式有意义则锐角的取值范围是( )A.B.C.D.2.若函数的图像关于点中心对称则的最小值为( )A.B.C.D.3.已知且则( )A.有最小值1B.有最大值1C.有最小值3D.有最大值34.函数的图象向左平移个单位后关于原点对称则函数在上的最大值为( )A.B.C.D.15.已知函数的最小正周期为其图象关于直线对称.给
复数综合习题课【基础练习】一.选择题1.复数z(m2m)mi(m∈Ri为虚数单位)是纯虚数则实数m的值为( )A.0或-1 B.0C.1 D.-12.在复平面内复数eq f(-23i3-4i)(i是虚数单位)所对应的点位于( ) A.第一象限 B.第二象限C.第三象限 D.第四象限3.已知平行四边形OABCOAC三点对应的复数分别为012i3-2i则向量eq o(ABsup6(
综合复习习题课(2)【基础练习】一单选题1.如图四棱锥 是 的中点直线交平面 于点 则下列结论正确的是( )A. 四点不共面B. 四点共面C. 三点共线D. 三点共线2.如图直三棱柱中则异面直线和所成角的余弦值为( )A.B.C.D.3.如图在四面体中截面是正方形则在下列命题中错误的为 A.B.截面C.D.异面直线与所成的角为4.设EF分别是正方体ABCD-A1B1C1D1的棱
综合复习习题课(第1课时)【基础练习】一单选题1.下列说法正确的是( )A.棱锥的侧棱长与底面多边形的边长相等则此棱锥可能是六棱锥B.四棱锥的四个侧面都可以是直角三角形C.有两个平面互相平行其余各面都是梯形的多面体是棱台D.棱台的各侧棱延长后不一定交于一点2.用一个平面去截一个四棱锥截面形状不可能的是 ( )A.四边形 B.三角形 C.五边形 D.六边形3
综合复习(1)【基础练习】一单选题1.如图角的终边与单位圆交于点的纵坐标为则( )A.B.C.D.【答案】B【解析】由已知可设再由得∴故选:.若一扇形的圆心角为半径为则扇形的面积为( )A.B.C.D.【答案】A【解析】由扇形的圆心角为化为弧度制即扇形的圆心角为由扇形的面积可得该扇形的面积为故选:.已知是第三象限角且则所在的象限是( )A.第一象限B.第二
Unit1 Cultural HeritageReview单元综合复习测试I单词拼写 of the ____________(庙) was ruined, but the front was whole, as well as a large hall behind it 2 This gave me a c_________________ (线索)as to the source of t
Unit 3 The InternetReview单元综合复习测试I:单词拼写1.His best music was i ________ (启发) by the memory of his mother2.Obviously safety is a very important factor as well asfort and c______________ (方便).3.So
Unit 4 History and traditions练习Ⅰ单词拼写。 have _____________ (宣布,发布) that they will hold their wedding ceremony next week.2.The best__________ (方法) to building up your body is to do exercise every day.3
Unit2 Wildlife ProtectionReview单元综合复习测试单词拼写1 I had seen the ____________for the jazz festival in Monterey(海报)2 He told me they had collected a great m ___________of data(很多;大量)3 Many species are in
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