脑糖代谢率

北极环境变化威胁北极熊生存空间

Changing Arctic Conditions Threaten Polar Bears 北极环境变化威胁北极熊生存空间 American researchers spent two summers studying polar bears on the Arctic sea ice. They found that sea ice, where polar bears spend much of their lives, is

发表于:2018-12-16 / 阅读(20) / 评论(0)

2015年VOA慢速英语(八)月

英文书摘精选婴儿的心率应该为多少呢

Heart Rate: What A Babys Heart Rate Should Be 婴儿的心率应该为多少呢？ Picture new parents cooing at their baby on the couch. The babys quiet and calm, and everyones at rest. So their heart rates are low, maybe 60 or 70 beats a minute for

发表于:2018-12-28 / 阅读(31) / 评论(0)

初学者听力文摘精选

2007年VOA标准英语-Tens of Thousands of Turks Demonstrate for Secu

By Amberin Zaman Istanbul 05 May 2007 Thousands of Turks held anti-government demonstrations Saturday. The rallies in defense of Turkey's secular system come ahead of a key vote in the Turkish parliament to elect a new president. As Amberin Zaman rep

发表于:2019-01-11 / 阅读(77) / 评论(0)

2007年VOA标准英语（五月）

2006年VOA标准英语-US Central Bank Hints at Pause in Rate Hik

By Barry Wood Washington 27 April 2006 Federal Reserve Chairman Ben Bernanke told the Congressional Joint Economic Committee Thursday that economic data will be particularly important in guiding centr

发表于:2019-01-13 / 阅读(76) / 评论(0)

2006年VOA标准英语（四月）

喝啤酒能让人更加聪明吗?

Hop compound boosts brain function - but you'd need to drink 3,500 PINTS a day 啤酒能让你更聪明吗?啤酒花中所含的化学物质能刺激大脑功能-前提是每天喝3500品脱。 Beer, or at least one of its ingredients, could boost br

发表于:2019-02-06 / 阅读(35) / 评论(0)

阅读空间

ESL Podcast 673 – Walking or Running as Exercise

Reina: Okay, Im ready to walk my way to better fitness! Lars: Im glad youre so enthusiastic about starting to exercise. Reina: Im totally psyched! Check out my new tennis shoes. Lars: Theyre brand new? You havent broken them in yet? I hope you dont g

发表于:2019-02-17 / 阅读(33) / 评论(0)

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学英语单词

cadastral control survey

centripetal drainage pattern