一、选择题的解法: 1.直接法:根据选择题的题设条件,通过计算、推理或判断,,最后得到题目的所求。 2.特殊值法:(特殊值淘汰法)有些选择题所涉及的数学命题与字母的取值范...
Scientists have discovered a new link between a pattern of fluctuations in jet stream air currents and crippling heatwaves that strike in multiple regions of the world at the same time. 科学家发现喷流的波动模式和同时袭击世界...
学习方法方面的问题 0 1 做几何题时候不会做辅助线 原因:对于几何模型认识不充分 解决方案:每一种基本的几何模型都有定义、性质和判定三方面,要将这三方面知识熟记于心。一般...
When I was 19 十九岁的时候 I legally immigrated to the USA. 我非法移民到了美国 I left my country on Mothers day 1963. 1963年的母亲节,我离开了故土 Circumstances were such that 我的处境如此糟糕 I for a shor...
If you ask me what are the things that people should not do no matter how, the first thing that comes to my mind will be to postpone todays business to tomorrow. 如果你问我有什么事情时无论如何也不能做的,我能想到的第...
The truth is that more than half of a person’s life does not usually go as we wish. 事实是,人生中的很大一部分都是不如意的。 Those who tries so hard to appear positive are usually those who feel totally not secured dee...
I was riding the subway and happened to be seated between two young guys. 我当时正在坐地铁,我两边各坐了一个年轻的男孩。 The one on the right eyed the slightly grungy BandAid on my thumb and said, “You should really...
为何出现金融危机 ①金融危机又称金融风暴,是指一个国家或几个国家与地区的全部或大部分金融指标(如:短期利率、货币资产、证券、房地产、土地价格、商业破产数和金融机构倒...
别把植物带回国 ①在1845年多雨的夏季里,爱尔兰人从美洲进口了一批马铃薯种子,可他们万万没有想到,灾难也流进了爱尔兰。 ②这批马铃薯种薯,感染了马铃薯晚疫病。这是一种很...