英语周报七下2022-2023。 24期答案

英语周报七下2022-2023。 24期答案已经整理完毕，供同学们学习参考，更多英语周报答案，请关注本网站。

答案】B【解析】分析】详解】A.丝绸的主要成分是蛋白质,宣纸的主要成分是纡维素,尼龙的主要成分是合成纤维,A错误B.聚乙烯纡维属于合成高分子,具有强度大、质量轻、耐腐蚀等特点,B正确C.嫦娥五号使用的太阳能电池阵是将太阳能转化为电能,C错误;D.固体浮力材料,由空心玻璃微球填充高强树脂制成,其中树脂为有机高分子材料,D错误故答案选B

Ⅺ.书面表达(共1小题;满分20分)Oneible versionHow time flies! The winter vacation is coming. Last winter vacation, I had a trip to Sanya with myfamily. We went to the beach and swam in the sea. I also bought some gifts for my friends. This wintervacation, I am going to help my parents with housework. And I am going to look after my grandparentslearn to play the guitar and do more exercise to keep healthy.What do you think of my holiday? Im sure I will be happy during the winter vacation

以上就是英语周报七下2021-2022。 24期答案，更多英语周报答案请关注本网站。