单词:Streptomyces violaceorectus
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[00:00.00] Unit 3 [00:02.98]1.Listen and choose the correct words you hear in the sentences. [00:31.24]2.Listen and choose the phrases you hear. [00:50.29]3.Listenand choose the corrrect answers. [01:08.57]4.Listen and write the misssing words. [01:5
An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s
(SOUNDBITE OF FILM, WIDOWS) VIOLA DAVIS: (As Veronica) My husband left me the plans for his next job. All I need is a crew to pull it off. AUDIE CORNISH, HOST: Here's the premise of Widows, the action-packed heist thriller from director Steve McQueen
DAVID GREENE, HOST: I'm David Greene in Culver City, Calif., not far from where I met Viola Davis the other day. The actress was working on her ABC show How To Get Away With Murder. It was an insanely busy day of shooting, and yet she found some time
Three days later Lily:Mom, I'm ready for school. Mom:Let me feel your forehead. I'm so glad it wasn't strep throat. Lily:I don't have a fever, and I'm ready for my test. Mom:But I'm not sure you're strong enough yet. Here's some seafood rice soup I m