选出不同类的单词。
①____ A.pen B. pencil C. ruler D. banana
②____ A.apple B. pear C. chair D. orange
③____ A.window B. door C. it D. blackboard
④____ A.look B. here C. clean D. close
⑤____ A.how B. dad C. mum D.sister
7×____=35
6×____=42
在同一平面内,两条不相重合的直线位置关系有两种:____ 和____ .