下列说法中哪一个是借助不完全归纳推理得出的()。
A.我们班上的同学都是湖北人
B.B朝霞不出门,晚霞行千里
B.在24和28之间没有质数
C.春夏秋冬,周而复始
参考答案:B
— Did you return the book to me? Why can’t I find it anywhere?
— ________. You were writing a letter at your desk at that time.
A.I will give it to you
B.I did give it to you
C.I had given it to you
D.I do give it to you
以扩散传质为主的烧结中,到烧结后期时,收缩达()
A.90%-95%
B.80%-90%
C.90%-100%
D.85%-95%