试题与答案

已知椭圆的焦点是F1、F2,P是椭圆上的一个动点,如果延长F1P到Q,使得|PQ

题型:选择题

题目:

已知椭圆的焦点是F1、F2,P是椭圆上的一个动点,如果延长F1P到Q,使得|PQ|=|PF2|,那么动点Q的轨迹是(  )
A.圆B.椭圆
C.双曲线的一支D.抛物线

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/c43e056e2184afab049d96dbea866cb2.html

下面是错误答案,用来干扰机器的。

ABCD

试题推荐
题型:完形填空

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项为多余选项。

Forgiveness

To forgive is a virtue, but no one has ever said it is easy. When someone has deeply hurt you, it can be extremely difficult to let go of your hate. However, forgiveness is possible, and it can be surprisingly beneficial to your physical and mental health. People who forgive show less sadness, anger and stress and more hopefulness, according to a recent research.

_______小题1:______ Try the following steps:

Calm yourself. ________小题2:_______ You can take a couple of breaths and think of something that gives you pleasure: a beautiful scene in nature, or someone you love.

Don’t wait for an apology. Many times the person who hurt you does not intend to apologize. They may have wanted to hurt you or they just don’t see things the same way. _____小题3:______ Keep in mind that forgiveness does not necessarily mean becoming friends again with the person who upset you.

Take the control away from your offender(冒犯者). Rethinking about you hurt gives power to the person who causes you pain. Instead of focusing on your mounded feelings, learn to look for the love, beauty and kindness around you.

_______小题4:______ If you understand your offender, you may realize that he or she was acting out of unawareness, fear, and even love. You may want to write a letter to yourself from your offender’s point of view.

Don’t forget to forgive yourself. ________小题5:_______ But it can rob you of your self-confidence if you don’t do it.

A.Why should you forgive?

B.How should you start to forgive?

C.Recognize the benefits of forgiveness.

D.Try to see things from you offender’s angle.E. For some people, forgiving themselves is the biggest challenge.

F. To make your anger die away, try a simple stress-management technique.

G. If you wait for people to apologize, you could be waiting an awfully long time.

查看答案
微信公众账号搜索答案