short conversation 3[音频]
A. On her eleventh birthday.
B. On her thirteenth birthday.
C. On her tenth birthday.
D. On her twelfth birthday.
short conversation 4[音频]
A. In the fourteenth century.
B. In the thirteenth century.
C. In the sixth century.
D. In the sixteenth century.
short conversation 5[音频]
A. On January 26th, 1947.
B. On January 27th,1946.
C. On January 27th,1948.
D. On January 26th,1974.
下列关于多行注释的应用,错误的是:
A. 程序中可以不写多行注释
B. 多行注释会影响程序运行速度
C. 多行注释有利于代码的阅读性
D. 写多行注释是一个良好的习惯