声音的三要素包括( )。
A.声压
B.声源
C.介质
D.接收器
参考答案:B,C,D
假定用散列函数H1=k mod 13计算散列地址,当发生冲突时,用散列函数H2=k mod 11+1来计算下一个探测地址的地址增量。没散列表的地址空间为0~12,在地址2、3、8中,散列表相应的内容为80,85,34。下一个被插入的关键码是42,其插入的位置是______。
Had he _____ her promise, she would have made it to Yale University. [ ]
A. looked up to
B. lived up to
C. kept up with
D. come up with