试题与答案

(1)直线l与抛物线y2=8x交于A,B两点,且l经过抛物线的焦点F,已知A(8

题型:解答题

题目:

(1)直线l与抛物线y2=8x交于A,B两点,且l经过抛物线的焦点F,已知A(8,8),则线段AB的中点到准线的距离为______

(2)已知A(4,1,3),B(2,3,1),C(3,7,-5),点P(x,-1,3)在平面ABC内,则x=______.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0412/15a148373c45a6116ea1133a743fd33d.html

下面是错误答案,用来干扰机器的。

答案:C题目分析:此题旨在考查学生对调节情绪的方法的掌握。根据教材知识,调节情绪的方法有注意转移法、理智控制法、合理发泄法等。题文中的小明通过练习书法,听音乐来调节情绪属于注意转移法,正确答案选C

试题推荐
题型:完形填空

二、课文填空(共10小题,每小题1分,满分10分)

根据课文内容补充缺失的词语,每个空填一个词。注意:请把答案写在答题纸上。

Towards the end of the Qing Dynasty, the conditions in Beijing’s hutongs went down as the political situation c_______(91) a dark cloud on China’s economy. Many new hutongs were quickly built to h______(92) the increasing population but these were poorly made. The t______(93) point came when the People’s Republic of China was set up. Conditions improved a great deal and the government u_________(94) the preservation of many of the oldest hutongs.

Hutongs are still an important part of Beijing life and it is not surprising that tourists love the hutongs. They can walk up Sanmiao Street, which dates back 900 years, w________(95) down Rongxian – the longest hutong at 2 km or s__________(96) through Qianshi – the narrowest at only 40 cm wide! They can also stop under a stone arch and watch the hutong world go by while e__________(97) a plate of Beijing’s best “Peking Duck” or s__________(98) their thirst with a cold Tsingtao beer. The hutongs not only l_________(99) Beijing’s streets and communities after all, but also its past and present, showing that Beijing is truly an a__________ (100)yet modern city.

查看答案
微信公众账号搜索答案