【单选题】---There is still a copy of the book in the library. Will you go and borrow ? ---No, I’d rather buy in the bookstore.
【简答题】清扫口:在排水横支管的()或(),其端部是可拧开的青铜盖,一旦发生横管堵塞,用于清理。清扫口只能单向清通,而立管上检查口可上下双向清通。立管暗装时,常布置在()中。
【单选题】— There is still a copy of this book in the library. Will you go and borrow________? — No, I will buy ________in the bookstore. A. one; it B. one; one C. it; one D. it; it
【简答题】尽管我非常喜欢,我也不会买这本书。(as引导尽管的让步状语) ________ i like the book, i will not buy it.
【单选题】下面哪个像素点属于f (5,5)的4邻域( )。