—I feel very thirsty and hungry after a long walk.
—Would you like some ________ and ________?
A:apple juice;sandwich
B:apples juice;sandwiches
C:apple juice;sandwiches
有学者认为,春秋战国是中国历史上意气风发的少年时代。该时代的主要特征是( )
雨滴从空中由静止落下,若雨滴下落时空气对其的阻力随雨滴下落速度的增大而增大,下列图象可能正确反映雨滴下落运动情况的是( )
下列各项中,属于生产者和消费者关系的是( )