This is Scientific American 60-second Science. I'm Christopher Intagliata. Got a minute? Hey, four eyes. Let playground tongue more accurate when it applied Anableps anableps, a fish related to the garbe. It lives in the blackish water of mangoswan i

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science.I'm Steve Mirsky. Got a minute? Hi. Im running. Im also telling some ofmy stem cells what to do right now. Well, I probably am, based on a new study with mice. We have what are called mesenchymal stemce

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(七)月

[fly]This is Scientific Americans: 60-Second Science, I'm Steve Mirsky. Go a minute? Only ten percent of people die from primary tumors, the real problem is when it spreads around the body, the problem of metastasis. Arizona state University's Paul D

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? During the 2008 presidential election, the Internet became a giant rumor mill. For example, there were the viral e-mails claiming Barack Obama's birth certific

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(三)月

yeah,you'd better talk about this thing.Now now now look hero be you.You can give a little pity pig let them out three senses to a wood calls like underprevely children drug.I was reading here just other day when the some were like ball hundred meeti

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60 Second Science, I am Steve Mirsky, got a minute? Thirty percent of the teachers around the country teaching physics either dont have a degree in physics or dont have a minor in physics. Philip DiStefano, chancellor of t

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(四)月

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(六)月

情人节由来: 关于情人节的由来有很多种说法,在这里小编列举其中三种出说: 传说一 公元3世纪,罗马帝国皇帝宣布废弃所有的婚姻承诺,这样很多无所牵挂的男人可以走上战场。但是一名

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 托福英语

一、问题 1.先输入再输出;要想说先得背 成立:没有输入,确实无法输出。 问题: ①多少输入算是够? ②可能我们终身都有不认识的单词;英语的表达方法、新创词语层出不穷;掌握的话题似乎永

发表于:2019-01-15 / 阅读(72) / 评论(0) 分类 阅读空间

四级成绩出来了,通过的同学可能要考虑四六级口语了,那我们在报考之前需要了解一下报考题型,下面就跟小编一起来看看四级口语考试题型及注意事项吧,希望可以帮助大家顺利备考。 第

发表于:2019-01-16 / 阅读(68) / 评论(0) 分类 英语口语

consent允许,同意 consequence结果 conserve保全,保存 consist为……所制成,组成 console安慰 consolidate巩固 consonant一致,相称的 consort结交 constant不断,持久的 constella

发表于:2019-02-06 / 阅读(83) / 评论(0) 分类 英文语法词汇

Arguments1. A good appearance may help people make a better impression in social contacts. 2. When people are getting old, they should pay more attention to their appearance. 3. The way people are dressed helps them to preserve a sense of their own v

发表于:2019-02-13 / 阅读(86) / 评论(0) 分类 雅思英语

Arguments1. Advertisements provide the most direct comprehensive and detailed information. We get to know about household goods from advertisements. 2. Advertising itself is a business that has provided a great number of jobs. 3. With advertisements,

发表于:2019-02-19 / 阅读(94) / 评论(0) 分类 雅思英语

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发表于:2019-02-19 / 阅读(62) / 评论(0) 分类 英文语法词汇

Self-service libraries are becoming increasingly popular with Beijing residents, with 50 having sprung up across the city over the past year and 100 more are expected to open in the coming months. 自助图书馆受到北京市民的欢迎。过去一年

发表于:2019-02-26 / 阅读(54) / 评论(0) 分类 托福英语

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发表于:2019-03-02 / 阅读(76) / 评论(0) 分类 英文语法词汇

托福口语常用词汇、短语及句型之朋友友谊。下面是有关朋友友谊的托福口语资料,词汇、短语、句型等,希望能帮到你。 朋友、友谊是托福口语中常考话题,那么托福口语中朋友怎么说你知

发表于:2019-03-04 / 阅读(107) / 评论(0) 分类 托福英语

depict描写,叙述 deplore悲痛 deposit存储,放下,置下 deprave使败坏 depredation劫掠,抢夺 depress降低,压下 deprive剥夺 derelict被弃的 deride嘲笑,嘲弄 descend降 design设计

发表于:2019-03-13 / 阅读(243) / 评论(0) 分类 英文语法词汇