资本有机构成提高的直接后果是( )
A. 单个资本增大
B. 土地价格有上升趋势
C. 对劳动力的需求相对增加
D. 生产资料生产的优先增长
E. 平均利润率的下降
What is the news report mainly about?
A. The acceptance rate of Oxford University.
B. The formal traditions of Oxford University.
C. The growing popularity of Oxford University.
D. The competition to get into Oxford University.
Why are students excited about attending Oxford University?
A. They get to follow Harry's adventures at Oxford.
B. They get to wear robes and eat in a grand dining hall.
C. There are more spots available for state school students.
D. They think they can learn more about Harry Potter at Oxford.
一质点作简谐振动的周期是T，当质点由平衡位置向x轴正方向运动时，从1/2最大位移处运动到最大位移处的这段路程所需的时间为
A. T/12
B. T/8
C. T/6
D. T/4
微信支付 
支付宝支付