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问题 填空题

已知二次函数y=kx2-7x-7的图象和x轴有交点，则k的取值范围______．

答案

∵二次函数y=kx2-7x-7的图象和x轴有交点，

∴

k≠0
49+28k≥0
，

∴k≥-

7
4
且k≠0．

故答案为k≥-

7
4
且k≠0．

判断题

行政诉讼中，作为原告的法人或者其他组织的主要负责人被更换，使得参加诉讼的法定代表人也要更换。新的法定代表人应向人民法院提交其身份证明书，继续参加诉讼，已进行的诉讼活动对继续参加诉讼的法定代表人具有约束力。
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单项选择题

During the admission interview, a client reports that she frequently has nightmares and memories of a rape that occurred 3 years ago. She feels depressed and asks the nurse, "Do you think I will ever get better I don’t know what is wrong with me. " The nurse’s most supportive response would be（）

A. "It sounds like you have some unresolved pain about the trauma. Take time here to talk and allow yourself to heal. "

B. "I’m not sure what is wrong, but the medication will help you soon enough. "

C. "It’s important to talk to your physician about an issue such as this. "

D. "Don’t feel bad; the treatment will help you. "
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