【简答题】作者是如何描绘赤壁风景的?运用了哪些修辞手法?有何作用? 答:_________________________________________________________________
【简答题】什么是表面粗糙度?表面粗糙度对机器零件的使用性能有哪些影响?
【判断题】表面粗糙度和表面光洁度的关系是表面粗糙度愈大,则表面光洁度愈高。
【简答题】作者是如何描绘赤壁风景的 ? 运用了哪些修辞手法 ? 有何作用 ? (20分)
【多选题】When you have to ask sb. for help, you may say ________
A.
Would you mind doing me a favor?
B.
I was wondering if you could do me a favor, please?
C.
If you want anything else, just let me know.