在公务专用信件书写礼仪方面,一般在收函单位或个人称呼后习惯用()
A.“顷悉”、“际此”
B.“谨启”、“钧启”
C.“台鉴”、“惠鉴”
D.“台安”、“钧安”
参考答案:D
The front road was washed away, so we _____ get off the bus and walk over. [ ]
A. must
B. had to
C. should
D. need
有程序:N=0DOK=6,2,-2N=N+KM=2*N10CONTINUEWRITE(*,*)MEND上面程序的运行结果是:()
A.12
B.20
C.24
D.不定值