【简答题】非空广义表的除第一个元素外其他元素组成的表称为广义表的____。
【单选题】若圆弧与直线相切,则切点和圆弧圆心的连线与该直线
【单选题】— He’s finished his homework. — ______.
【单选题】Why is Kate pleased that Mark has got a place on the team?
A.
Because Kate believes that Mark deserves it.
B.
Because Kate believes that Mark will win the race.
【判断题】在保险合同已确定受益人的情况下,被保险人的保险金可视为遗产由其法定继承人领取
【单选题】Kate ____ blue eyes. Her hair ____ brown. [ ]
【简答题】已知圆的参数方程为 x=1+cosα y=sinα (α 为参数),直线l的极坐标方程为3ρcosθ+4ρsinθ+m=0,若圆与直线相切,则实数m=______.
【单选题】--Listen! Kate is playing the piano in the next room. --It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.
【单选题】-Listen! Is that Kate playing the piano in the room? -No. It _____ be Kate. She has gone to London. [ ]