题目

若，关于的方程有两个不相等的实数根，则=________ 答案：     根据短文内容，从方框中选择适当的单词的适当形式填空。   too  an  there  read  like  go  he  on  game   beIt’s Sunday morning. Many boys and girls   小题1: in the park. Some of them are singing under the tree, some are swimming in the river, other children are playing  小题2:  behind the hill.Maria is  小题3:American girl. She is in the park,   小题4:.  Where is she? Oh, she is  小题5:the hill. What is she doing over  小题6:? She is sitting and 小题7:a book. She   小题8:reading very much. Tom is an English boy. He is five. He is too young. He can’t  小题9: to school. Now he is flying a kite with   小题10: father in the park.