猪 * * 脱出发生的主要机制是（）
A.子宫松弛
B.会阴松弛
C.骨盆松弛
D.阴门松弛
E.固定 * * 的组织松弛
参考答案：E
注册商标期满不再续展的，自注销之日起（）年内，商标局对与该商标相同或者近似的商标注册申请，不予核准。
A.1
B.2
C.3
D.5
Consider a bond that pays an annual coupon of 5% and that has three years remaining until maturity. Assume the term structure of interest rates is flat at 6%. If the term structure of interest rates does not change over the next twelve-month interval, the bond’s price change (as a percentage of par) will be closest to:
A．
B．
C．
