元素周期表

VOA慢速英语2014 Remember Your Chemistry Classes?

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(62) / 评论(0)

2014年VOA慢速英语(八)月

CNN 2012-03-16

Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti

发表于:2019-01-08 / 阅读(62) / 评论(0)

CNN2012年(三)月

万物简史第148期:基本物质(20)

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

发表于:2019-01-29 / 阅读(47) / 评论(0)

万物简史

元素周期表将添四位新成员于2016年初公布

Four new elements have been added to the periodic table, finally completing the table's seventh row and rendering science textbooks around the world instantly out of date. 据悉，元素周期表将要新添四名新成员，第七行元素将得以完

发表于:2019-02-04 / 阅读(25) / 评论(0)

英语新闻

Senior Class

During the doctor's periodic visit to my elderly mother, I told him that Mother would be celebrating her 98th birthday in few days. Delighted by the news, he bent down and gave her a kiss for the occasion. He then announced that he, too, would be cel

发表于:2019-02-04 / 阅读(42) / 评论(0)

趣味英语

GRE试题一(2)

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(83) / 评论(0)

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