单词:sound power absorption coefficient
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Part One 听辨练习 A . Listen, circle the corresponding number if you hear ????in the word. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. B. Write down the words you hear on the tape,then fill in the blanks below
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1. Q: What does the woman probably trying to do? A. Play a tape recorder. B. Take a picture. C. Repair a typewriter. D. Start a car. 2. Q: What do we learn from the conversation? A. The woman rejected the man's apology. B. The woman appreciate the ma
新东方4+1听力 口语 MP3-语音语调 Unit56 Part One 听辨练习 A . Listen, circle the corresponding number if you hear ????in the word . 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. B. Write down the words you hear on the tape,then fill in the blanks below
Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.
3.基尼系数 Gini coefficien 国家统计局局长马建堂首次披露过去10年全国居民基尼系数的变化后,北京也将适时公布本地区的基尼系数。 Beijing will release its own Gini coefficient for 2012, a National Bureau o
In Australia, Brain Power Fuels Emotion-Driven Music A team of Australian researchers is tapping into the nerves and bodies of volunteers to create a raw musical performance driven purely by emotions. In a world first, the data is fed into special so
DAVID GREENE, HOST: Both President Trump and Vice President Mike Pence will go to Dallas on Friday for the NRA's annual convention. On one hand, the president's presence shows that the NRA has staying power. But the organization has also faced fresh
RACHEL MARTIN, HOST: We're going to spend the next few minutes talking about the devices that have come to rule our lives. (SOUNDBITE OF RINGTONE) MARTIN: Yeah, we're talking about smartphones. This week, Apple shareholders are meeting, and two major
KELLY MCEVERS, HOST: Ten years ago, Al Gore's documentary, An Inconvenient Truth, argued forcefully that climate change should be a mainstream concern. The world seemed to hear that argument, though the current U.S. administration appears to have som
SCOTT SIMON, HOST: This week's music moment might sound especially welcome right about now. It's a melodic meditation on peace. (SOUNDBITE OF SONG, WHAT THE WORLD NEEDS NOW IS LOVE SWEET LOVE) THE ISLEY BROTHERS: (Singing) What the world needs now is
DAVID GREENE, HOST: Little pop quiz here. What movie comes to mind if I say, is butter a carb or she doesn't even go here? Or there's this classic. (SOUNDBITE OF FILM, MEAN GIRLS) LACEY CHABERT: (As Gretchen Wieners) That is so fetch. RACHEL MCADAMS:
AUDIE CORNISH, HOST: Filmmaker Raoul Peck's documentary I Am Not Your Negro is nominated for an Oscar. It features the work of the late James Baldwin, American writer, poet and social critic. (SOUNDBITE OF DOCUMENTARY, I AM NOT YOUR NEGRO) JAMES BALD
Who You Gonna Call? OPHIRA EISENBERG, HOST: Let's meet our next two contestants. First up, Josh Polenberg. You're a grant manager at Pfizer and you're obsessed with board games. JOSH POLENBERG: I am... EISENBERG: ...Obsessed. OK, what is a board game
LULU GARCIA-NAVARRO, HOST: The word first comes up a lot when talking about the latest album from Cat Power. It's the singer's first in six years, its first since she gave birth to a son. And it's her first since leaving her longtime record label. Bu
SCOTT SIMON, HOST: China is aggressively looking outward. It's investing heavily in Africa, South America, Australia and in its own hemispheric backyard, Southeast Asia. China's Belt and Road Initiative looks to link China to the world through high-s
STEVE INSKEEP, HOST: Today for our series American Anthem... (SOUNDBITE OF SONG, GOD BLESS THE U.S.A.) LEE GREENWOOD: (Singing) And I'm proud to be an American, where at least I know I'm free. INSKEEP: God Bless The U.S.A. by country singer-songwrite
Around the world, many people start their day with a cup of coffee, a cappuccino, or an espresso. At the same time, there are many people with various thyroid conditions who rely on synthetic thyroid hormone replacement medication like levothyroxine
GUY RAZ, HOST: What do you think explains, like, this force inside of us that, you know, like that sometimes compels us to, you know, to speak out? ADAM GALINSKY: Yeah. I mean, I think it's something that psychologists call moral conviction. We are a
ARI SHAPIRO, HOST: Strong female characters seem to have had a pretty good year in Hollywood. (SOUNDBITE OF FILM, BLACK PANTHER) DANAI GURIRA: (As Okoye) Drop your weapon. SHAPIRO: Black Panther had several, Danai Gurira's war general for one. (SOUND