文艺工作者深入基层、深入生活,就可以创作出鲜活多彩的文化作品。( )
衢州市有许多风景名胜,下述自然景象属于生物群落的是( )
听短文完成表格。
My friend Cindy
Where does Cindy live?
She lives____.
What is Cindy fike?
She is____.
What does Cindy do on weekends?
She____with her mother.
What's Cindy good at?
She is good at____.
What does Cindy do after school?
She always____with me.
一元二次不等式ax2+bx+2>0的解集是-12,13,则a+b的值是( )