— Where does your grandfather live?
— In the countryside. He lives ____ in a big house and often feels____.
直线y=kx+3与圆x-22+y-32=4相交于M、N两点,若MN≥23,则k的取值范围为( )
判断下面的说法是否正确。
《静夜思》是唐代大诗人李白写的。