把20克糖放入100克水中,糖占糖水的______%
20÷(100+20)×100%,
=20÷120×100%,
≈17%;
答:糖占糖水的17%.
故答案为:17.
What troubled the teacher was that no one present made an answer when asked who had broken the
glasses, so he didn't know who _____________.[ ]
A. was blamed
B. was to be blamed
C. was to blame
D. would be blamed
解释遗存的过程依次为()
A.判断年代遗存关系透物见人
B.判断年代透物见人整理修复
C.透物见人继续挖掘整理资料
D.判断年代遗存关系修复整理