A:think
B:thought
C:am thinking
D:will think
甲图是探究“阻力对物体运动的影响”的实验装置;乙图是探究“物体的动能与质量关系”的实验装置.关于这两个实验下列说法不正确的是( )
—The weather is very good. Let's have a picnic. — .