在仰韶文化中,并没有发现玉制品。
参考答案:对
写一写,分一分.
(1)24的约数有______.
(2)根据你学过的知识,把这些数分一分类,说出你的分类理由.
第一种:你分成了______类,分别是______,
理由是______.
第二种:你还可以分成了______类,分别是______,
The city of Qingdao has been working on building itself up as a city of sails ________ it successfully hosted the 2008 Olympics’ sailing program.
A.after
B.since
C.when
D.until