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[资料分享] 【Phat Yeti出品】60-SECOND SCIENCE 官方听力文稿 + 讨论帖 (更新至:2008.03.07) [复制链接]

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发表于 2007-12-6 14:46:47 |只看该作者
顶+水.;d:
Que será, será.

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Taurus金牛座 荣誉版主 IBT Zeal IBT Elegance

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发表于 2007-12-6 17:26:50 |只看该作者

60-Second Science - December 06, 2007

Carbon Dioxide Changes Leaf Color Timing

Depending on where you live, you may still have a few tenacious leaves hanging onto their trees.  And these days, you’re likely to have more of those tenacious leaves.  Measurements in europe have revealed that the color change and falling of the leaves has moved back about one and a half days per decade for the past thirty years.  Spring has also sprung forward, and that’s clearly linked to global warming. But new research suggests that the delayed falls are mostly due to the direct effects of increased carbon dioxide.

Researchers from the University of Southampton in the UK raised poplars in today’s CO2 levels, and in levels predicted for 2050. They found that the 2050 trees used the extra CO2 to make compounds that kept their leaves alive and green longer. Their findings appear in Global Change Biology.  this could be good and bad. The trees will be more productive, but they might not prepare as well for winter.  Either way, this finding means that increasing levels of carbon dioxide can affect trees both indirectly through global warming and directly as a chemical compound.

[ 本帖最后由 豆豆~ 于 2007-12-6 17:28 编辑 ]

60-Second Science_ December 6, 2007.mp3

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Life is like a 2πr.

Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. We ask ourselves, Who am I to be brilliant, gorgeous, talented, fabulous? Actually, who are you not to be? We were born to make manifest the glory of God that is within us. It's not just in some of us; it's in everyone. And as we let our own light shine, we unconsciously give other people permission to do the same.

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228
发表于 2007-12-6 17:34:28 |只看该作者
版主好人啊,,,,狂顶。。。。。。

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229
发表于 2007-12-6 18:42:36 |只看该作者
今天才看到,全下了
好东西,顶!

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发表于 2007-12-6 19:56:07 |只看该作者
我顶啊顶啊.
Que será, será.

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发表于 2007-12-6 21:05:01 |只看该作者
一直在用,收获很大

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发表于 2007-12-6 23:04:18 |只看该作者
不知道有没有人用这个来听抄,感觉还挺快的,速度!
还是说,某人我还是要继续努力,哈哈希望豆豆坚持每天都来更新

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发表于 2007-12-6 23:24:20 |只看该作者
UPUP.
Que será, será.

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发表于 2007-12-7 08:57:04 |只看该作者
再顶.
Que será, será.

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发表于 2007-12-7 13:00:57 |只看该作者
以后每天至少顶一次!
已有 1 人评分寄托币 收起 理由
豆豆~ + 5 谢谢~

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发表于 2007-12-7 15:40:18 |只看该作者

回复 #235 buaa_wangchao 的帖子

哈哈,我每天至少顶N次.;d:
已有 1 人评分寄托币 收起 理由
豆豆~ + 5 辛苦了~

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Que será, será.

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发表于 2007-12-7 17:37:04 |只看该作者

回复 #236 深海lavender 的帖子

辛苦了辛苦了~加分鼓励,哇咔咔
~豆豆~改作文的小屋子
口语六道题复习建议
iBT报名全流程[图解版]
GTER 07年TOEFL iBT口语|写作机经整理


Life is like a 2πr.

Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. We ask ourselves, Who am I to be brilliant, gorgeous, talented, fabulous? Actually, who are you not to be? We were born to make manifest the glory of God that is within us. It's not just in some of us; it's in everyone. And as we let our own light shine, we unconsciously give other people permission to do the same.

使用道具 举报

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发表于 2007-12-7 19:29:53 |只看该作者

回复 #237 豆豆~ 的帖子

:loveliness: :loveliness:
为人民服务~~;d:
Que será, será.

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Taurus金牛座 荣誉版主 IBT Zeal IBT Elegance

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发表于 2007-12-7 22:35:21 |只看该作者

回复 #238 深海lavender 的帖子

今天的听力文稿还没有出来。。。哎。。。
~豆豆~改作文的小屋子
口语六道题复习建议
iBT报名全流程[图解版]
GTER 07年TOEFL iBT口语|写作机经整理


Life is like a 2πr.

Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. We ask ourselves, Who am I to be brilliant, gorgeous, talented, fabulous? Actually, who are you not to be? We were born to make manifest the glory of God that is within us. It's not just in some of us; it's in everyone. And as we let our own light shine, we unconsciously give other people permission to do the same.

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240
发表于 2007-12-8 09:14:32 |只看该作者
哈哈,怪不得昨天我找不到

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RE: 【Phat Yeti出品】60-SECOND SCIENCE 官方听力文稿 + 讨论帖 (更新至:2008.03.07) [修改]

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