4.2Slip properties are generated by additives in some plasticfilms,for example,polyethylene.The additives have varying degrees of compatibility with thefilm matrix.Some of them bloom,or exude to the s
一、 选出与画线部分意思相同或相近的一项。1.Do you have any pen pals in the United States?A. classmates B.pen friends C.e-pals D.foreign friends2.we don’t have math on the fourth day of a week.A. Tuesday
I just walked along the road of life. I suddenly encountered a wall. All the grievances I encountered unexpectedly spread like air. I was overwhelmed and didn't have the strength to break free.(页眉可删)w
I just walked along the road of life. I suddenly encountered a wall. All the grievances I encountered unexpectedly spread like air. I was overwhelmed and didn't have the strength to break free.(页眉可删)金