题目

 A tree was planted along the road _______. Choose the one that is not proper for the blank.  A. every ten meters        B. every tenth meter  C. every other meter      D. every the tenth meter 答案：D解析：该答案中冠词the是多余的。其他三个选项没有语法错误。如图所示，从水平匀速飞行的飞机上先后落下两颗炸弹，在不计空气阻力的条件下，能正确反映飞机和两颗炸弹运动情况的是（　　）A．B．C．D．