A:充分不必要条件
B:必要不充分条件
C:充要条件
D:既不充分也不必要条件
小江进行了如下测量:①用天平测石片的m质量.②往烧杯中甲适量水浸没石片,在水面位置作上标记,取出石片,用量筒取水缓慢倒入烧杯,让水面升至标记处,如图所示.量筒内倒出水的体积V即为矿石的体积.③计算出石片的密度ρ.根据以上步骤,测出的密度值会( )
have, at, like, usually, watch, homework, after, play, come
I have a friend. His name is Li Daming. He often gets up ____ six o'clock in the morning. He ____ breakfast at seven. He goes to school five days a week. After school,he ____ plays games for half an hour. Look! What is he doing?He is ____ basketball. In the evening he does his ____ and he likes listening to music. He often ____TV for half an hour____ he finishes his homework. He goes to bed at ten o'clock. Do you ____ him?