Look, this is boot, that is umbrella. [ ]
A. a, an
B. an, a
C. a, a
答案:A
在高级程序设计语言中,用于描述程序中的运算步骤、控制结构及数据传输的是______。
A.语句 B.语义 C.语用 D.语法
How many _____ do we need for the salad? [ ]
A. water
B. milk
C. apples
D. honey