爪 ____ ____ 心 ____ ____ 女 ____ ____
方 ____ ____ 艹 ____ ____ 扌 ____ ____
根据句子意思和首字母,写出恰当的单词。1.It's 12:00. I am very h____. I am going to eat a lot.2.Be q____ . We can't talk in the library.3.We should arrive at school on time. Don't be l____ for school.4.The boys are very young but they are very c____ .
5.I am short but my brother is very t____.
如果一个正比例函数的图象经过点A(3,-1),那么这个正比例函数的解析式为( )
1954年我国颁布了《中国人民政治协商会议共同纲领》 ,这是我国第一部社会主义类型的宪法。 错误____ 改正 ____
如图所示,一小球绕圆心O做匀速圆周运动.已知圆周半径为r,小球运动的角速度为ω,则它运动的向心加速度大小为( )