参考词汇:Saturday, Sunday, morning, afternoon, evening…
do homework, watch TV, go hiking, play sports, go camping, ride a bike, take pictures, clean the room, wash the clothes …
Monday, June 6th
I was busy last weekend. On Saturday, I
某市团委举办“我的中国梦”为主题的知识竞赛,甲、乙两所学校参赛人数相等,比赛结束后,发现学生成绩分别为70分,80分,90分,100分,并根据统计数据绘制了如下不完整的统计图表:
△ABC三边长分别是3,4,6,则它的最大锐角的平分线分三角形的面积比是( )
配制10 g 10%的氯化钠溶液,所选用的量筒的规格最好为( )
①梯形不是平行四边形;
②等腰三角形的底角相等;
③有两个内角互补的四边形是梯形或圆内接四边形或是平行四边形;
④60是5或2的公倍数,
其中复合命题有____.