题目

抛物线y=-x2-2x+3与x轴的两个交点坐标分别是______、_______；分解二次三项式-x2-2x+3=_________． 答案：（-3，0）  （1，0）  -（x+3）（x-1）判断题（_______）1.A: When do you get up? B: At 7:00（_______）2..A: When is the Children's Day? B: It's in June.（_______）3.The mother is playing with her baby. （_______）4.—Is today December 3rd, Mary?—Yes. It's my birthday. （_______）5.They are having a dancing class now.