A:划线→锯割→钻孔→锉削
B:划线→钻孔→冲眼→锉削
C:划线→冲眼→钻孔→锉削
D:划线→冲眼→锉削→钻孔
一 Is it difficult to make friends ______ people from a different culture?
— No, as long as (只要) you learn to respect them.
下列常见的生活用品中,主要使用合成纤维材料制成的是( )