Farah became pale after going to her father because________.
A:he didn’t allow her to go to Spain
B:she didn’t do well in her exams
C:she had to leave Purple Girls Club
D:he asked her to improve her grades
食物
糖类(克)
蛋白质(克)
甲
18
6
3
220
0
乙
0.4
4
7
40
丙
48.2
38
12
丁
8.8
65
10
14
我国是世界上手机用户最多的国家,手机传递信息依靠的是()
用手将一重为5N的物体全部压入水中,物体排开的水重8N,此时物体受到的浮力为____N,放手后物体将____(填“上浮”或“下沉”),待物体静止时所受浮力为____N.
如图,△ABC是等边三角形,BD是中线,延长BC至E,CE=CD,