Estrogen Mimics 雌性激素 It may not surprise you that pollution from chemical plants and farms can harm fish. But there's growing evidence that we're all hurting fish and frogs by what we flush down the drain. Discover estrogen mimics -- today on Ea

发表于:2018-12-07 / 阅读(172) / 评论(0)

(科普英语)Earth and Sky

Earth and Sky:Electric Fish 发电鱼

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

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(科普英语)Earth and Sky

Earth and Sky:By Lisa Bryant Paris

Paris Conference to Discuss Climate Change, Rising Oceans Some of the world's leading experts on oceans and climate change are meeting in Paris this week to discuss why oceans are rising, and where to channel scarce research funds to study the pheno

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(科普英语)Earth and Sky

Earth and Sky:Greatest Brilliancy 金星光辉最大之时

Greatest Brilliancy 金星光辉最大之时 The planet Venus now shines as a eerily brilliant light low in the western twilight sky. We'll talk about why Venus appears at greatest brilliancy this week -- on today's Earth and Sky. DB: This is Earth and Sky

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(科普英语)Earth and Sky

Earth and Sky:By Jeff Swicord Sarah Creek, Mary

Scientists Working to Save Chesapeake Bay Oyster Population Chespeake Bay The Chesapeake Bay, on the Atlantic coast, is the largest estuary in the United States. It is famous for its seafood, especially crabs and oysters. However, in the last centur

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(科普英语)Earth and Sky

捷进英语 lesson 7

Good morning... Nu La? Yes.Hello. Please sit down. Thank you. You're interested in a job here? As housekeeping Manager? Yes,thank you. 2.Where are you from,Nu La? I come from Cambodia. I come from Phn

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捷进英语

捷进英语 lesson 6

1.Dean,have you got a moment? Sure. I'm on my way home. I'm working on a scheme to attract younger customers. To the restaurant? Yes. 2.Hm.

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捷进英语

捷进英语 lesson 5

1.Good evening.Welcome back. Were you on a city tour today? Hm. 2.Did you go to the Public Gardens? And to Charles Street? Did you go to City Hall? And to ... Oh,it was a big day. 3.First,we went down

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捷进英语

捷进英语 lesson 4

1.Thank you so much for getting my bags back. We aim to plese. Do you have my booking? Yamamoto? How do you spell that,please? Y-A-M-A-M-O-T-O. 2.Here we are.That's a suite on the 24th floor,with a lo

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捷进英语

捷进英语 lesson 3

1 Where can we eat? Someplace good. Someplace cheap. but vegetarian. You're vegetarian,are you? Yeah. 2. I like meat too much to be a vegetarian.And fresh fish. I don't like fish at all. And I love ba

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捷进英语

捷进英语 lesson 2

Hi Sherise.Hello Sherise.Where's Sherise? Has Sherise gone to the movies? No,she hasn't. She's right here! Wuh-wuh-wuh... Excuse me? Oh! Good morning. Good morning,Wendy. Friend of yours? That's Sheri

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捷进英语

捷进英语 lesson 1

the American Library Association Conference? Yes. My name's Barbara Seaton. 3.You're Barbara Seation! Yes! Barbara Seation,of the New York Library? Tony Quercio,Watson's Bookstores? Yes. 4.How do you

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捷进英语

捷进英语 lesson 15

1 HEATHER:I used to rollerskte all the time. I loved it when I was little.Did you ? KEVIN:No.I went straight from my pram to a surfboard. I used to live in the ocean.No wheels required. 2 HEATHER:Well

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捷进英语

捷进英语 lesson 14

WILLIAM:Can I help you? GUEST I:Where can I get some medicine for an upset stomach? WILLIAM:We have some over-the-counter remedies in the hotel shop. And there's a pharmacy just down the street. GUEST

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捷进英语

捷进英语 lesson 13

1 MR.BIGELOW:This is just what I needed. SIMON:It is a lovely park,isn't it MR.BIGELOW:So tell me,Simon,how did you wind up here a restaurant manager in Boston? SIMON:Ah!Well,that's a bit of a puzzle

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捷进英语

捷进英语 lesson 12

1.KEVIN:Paulo!No walking tour today? PAULO:Not for me. KEVIN:Won't Didi miss you? PAULO:Sh.Let them go. 2 KEVIN:What about all the sights? PAULO:I've seen the sights.The gardens,the monuments,the famo

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捷进英语

捷进英语 lesson 11

1 ANNE:Debbie! DEBBIE:Right here. ANNE:Oh!Where is my laptop? There was a laptop computer on my desk this morning and it isn't here now. 2 ANNE:And the phone.I also had a mobile phone. Where is it?Thi

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捷进英语

捷进英语 lesson 10

1.ANNE:This won't take a minute. JULIA:No problem.I need stamps anyway. 2 ANNE:Look.Here's the visa for my trip. JULIA:Wow.Look at all the stamps. ANNE:Yeah.I travelled so much in my previous job. 3 J

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捷进英语

捷进英语 lesson 50

Buy why not?I'm sixteen. That's right.You just turned sixteen. You just got your driver's licence. And you are certainly not driving cross-country with a couple of friends for a winter vaatio, because

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捷进英语

捷进英语 lesson 36

DOUGLAS:Richard? RICHARD:Over there is fine. NANCY:Yvonne! YVONNE:I'm almost finished! NANCY:Believe me,Douglas,yvonne promised she would take the day off. She said she had done enough work for one we

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捷进英语