1.如图1所示,飞机空中加油时,受油机与加油机以同样速度向同一方向水平飞行,下列说法正确的是( ) (A)以加油机为参照物,受油机是运动的. (B)以受油机为参照物,加油机是静止的. (C)以地面为参照物,受油机是静止的. (D)以地面为参照物,加油机是静止的. 2.园艺师傅使用如图2所示的剪刀修剪树枝时,常把树枝尽量往剪刀轴O靠近,这样做的 1. As shown in Figure 1, when the aircraft is refueling in the air, the oil receiver and the tanker fly horizontally in the same direction at the same speed. The following statement is correct () (A) Taking the tanker as the reference, the receiver is moving (B) With the oil receiver as a reference, the tanker is stationary. (C) With the ground as a reference, the oil receiver is stationary. (D) The ground is used as a reference and the tanker is stationary. 2. When the horticulturalist uses the scissors shown in Figure 2 to trim the branches, they often try to move the branches closer to the axis O of the scissors.