四、解答题（本大题共5小题,共77分,解答应写出必要的文字说明、证明过程或演算步骤）15,(本小题满分13分)已知二次函数f(x)满足f(0)=0,请从下列①和②两个条件中选...

共77分,解答应写出必要的文字说明、证明过程或演算步骤）15,(本小题满分13分)已知直线l,x十√3y一4=0,半径为2的圆C与l相切,圆心C在x轴上且在直线1的左下方,(1)求...

Cm,泉水的重力为6N下l44一▣,组高三一轮复周测卷/数学(十七)空间向量及其应用面,中7,如图,在四面体ABCD中,面ACD⊥面ABC,△ABC是边长为6的正三角形,△ACD是(考试时间1...

price,for,food,C,It,provides,a,good,environment,15,When,does,the,cafeteria,close,most,probably?A,At7,00,B,At8,00,tC,At9,00,16,Where,does,the,woman,pre...

finished,decorating?A,The,living,room,B,The,bathroom,C,The,kitchen,5,Where,are,the,speakers?A,At,a,hospital,B,In,a,classroom,C,At,a,ball,field第二节（...

三、填空题（本大题共3小题,每小题5分,共15分）12,设0≤0)的最小正周期为元,(1)求w的值及f(x)图象的对称轴方程,(2)在如图所示的直角坐标系中画出f(x)在[0,π]上的...

was,talking,too,much,At,the,age,of,14,I'd,had,what,I,now,know,were,panic,attacks,over,grades,in,the,middle,of,thehallways,in,school,or,in,loud,crowded...

4,mean?A,Strengthen,B,Maintain,C,Ruin,D,Shape,27,What,would,be,the,best,title,for,the,text?A,Price,of,Every,DecisionB,In,Search,of,New,FriendsC,A,Leag...