在“制作橡皮筋测力计” 的活动中,同学们发现:在一定的范围内,橡皮筋受到的拉力越大,橡皮筋的长度越长。根据这一现象,小明和小丽提出如下猜想(见图7)。究竟谁的猜想正确呢?他们决定一起通过实验来验证自己的猜想。 (1)要完成实验,除了需要一根橡皮筋、若干个相同的钩码、铁架台和细线外,还需要的器材是 。(2)小明和小丽的实验记录数据如下表:1拉力(钩码总重)F/N00.51.01.52.02.52橡皮筋的总长度L/cm4.55.15.76.36.97.53橡–If the traffic hadn’t been so heavy, I would have been back by 6 o’clock. --What a pity! Tina ____________ here to see you. A. is B. was C. had been D. would be