在平面直角坐标系xOy中,已知点P(2,2),点Q在y轴上,△PQO是等腰三角形,则满足条件的点Q共有[ ]
A.5个
B.4个
C.3个
D.2个
答案:B
用所给单词的适当形式填空。
1. We are good _________, we are very_________ (friend).
2. He likes watching TV and _________ (play) the guitar.
3. Please _________ (be) quiet! Here is library.
4. These man are from other _________ (country).
5. I'm hungry, I want something __________(eat)
做鸟王式的过程中双臂交叉后向下伸展可以拉伸肱三头肌。