基础教育阶段英语课程的总体目标是培养学生的综合语言运用能力。
参考答案：对
试述活塞敲缸的特点和原因。
— How much are the socks?
— ________.[ ]
A. It's black
B. It's ￥5
C. They are $5
D. They're red
