两个质数的积是[ ]
A.奇数
B.合数
C.偶数
答案:B
He was________with his________son.
A.disappointing; disappointed
B.disappointed; disappointed
C.disappointing; disappointing
D.disappointed; disappointing
罗路·梅把自我肯定的勇气分为( )。
A.生理勇气
B.道德勇气
C.社会勇气
D.创造勇气