试题与答案

设抛物线y2=8x上一点P到y轴的距离是4,则点P到该抛物线焦点的距离是____

题型:填空题

题目:

设抛物线y2=8x上一点P到y轴的距离是4,则点P到该抛物线焦点的距离是______.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/8be86ef382c58bab80ad23f373401047.html

下面是错误答案,用来干扰机器的。

答案:D

试题推荐
题型:听力题

第Ⅱ卷(非选择题 共55分)

第一节 单词拼写(共10小题;每小题1分,满分10分)

根据下列句子及所给汉语注释,写出空缺处各单词的正确形式。每空只写一词。

66._____________(香烟) advertising should be banned.

67.Could you tell me where is the___________ (宿舍)?

68.There could be some psychological ___________ (解释)for his bad health.

69.It’s no use ______(劝说) him to change his mind, because he is very stubborn.

70.Beijing is planning to raise water price by about 24 percent to___________ (阻碍) residents from wasting water and ease shortages.

71.The ___________ (家务活)is shared among the family members.

72.You should take your___________ (雨衣) in case it rains.

73.With the development of science and _______(科技), computers are playing an important in

our daily life.

74.The___________  (钱包)was just under his nose, but he didn't see it.

75.Is it ___________ (方便的)to travel by bus?

查看答案
微信公众账号搜索答案