单词:cell extract
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
[00:01.98]Extract 1 Listen to the following words [00:07.02]and group them according to their stress patterns. [00:11.45]Japan [00:13.90]China [00:15.52]Germany [00:17.24]American [00:19.04]international [00:21.10]Australian [00:22.82]information [00
[00:42.52]Listen to Xiaoyan and her friend Anne talking about the party. [01:46.90]Extract 2 Listen and write what you hear. [02:30.00]Extract 3 Answer the questions based on what you know about the party. [03:27.77]Extract 4 Listen to a description
Unit 20 Extract 1 Polly and Xiaoyan discuss which cinema to go to. [01:08.88]Extract 2 [01:11.57]Listen to the suggestions and respond negatively using the prompts in your book. [02:29.56]Extract 3 Polly and Xiaoyan order their dinner. [03:43.62]Extr
[00:02.92]Extract 1 A journalist asks Mary about the band. [01:19.68]Extract 2 Answer the questions using the prompts in your book. [02:23.94]Extract 3 Mary and Tim talk about preparations for the gig. [03:32.18]Extract 4 Listen to the questions abou
[00:03.06]Extract 1 [00:07.50]Listen to each sentence twice [00:09.85]and use the information it contains to answer the question. [02:38.01]Extract 2 [02:45.68]Listen to the following dialogue twice and answer the questions
[00:38.76]Extract 1 [00:40.95]Answer each question about Tom using the prompts in your book. [00:46.78]1.What did he do last night? He met Tim for dinner. [00:58.71]2.When did he leave school? He left school in 1992. [01:14.75]3.How was his last holi
[00:03.06]Extract 1 Franco and Xiaoyou discuss the redecoration of the restaurant. [01:03.61]Extract 2 Franco discusses an order for food with Stephanie. [02:12.65]Extract 3 Repeat the phrase you hear adding a question tag. [03:31.69]Extract 4 Xiaoya
[00:01.61]Extract 1 [00:04.04]Answer the questions. [00:06.51]1.Where do you get the car washed? I wash it myself. [00:19.65]2.Where does John get his car repaired? He repairs it himself. [00:34.95]3.Where doesn Mark get his hair cut? He cuts it hims
[00:03.16]Extract 1 Answer the questions using the prompts in your book. [01:19.64]Extract 2 Answer usning the cues in your book. [01:48.22]Extract 3 Answer the following questions. [02:56.00]Extract 4 Susan leaves a message for Tracey Smith. [03:43.
[00:02.32]Extract 1 [00:05.57]David talks on the phone to Max in Paris. [03:25.12]Extract 2 Form questions using the prompts in your book and in this extract. [04:29.88]Extract 3 The conference in Paris. [05:40.62]Extract 4 Answer the questions follo
[00:43.02]Extract 1 [00:45.94]Make questions using the prompts in your book. [01:49.62]Extract 2 [01:52.96]Listen to the questions and answer them for yourself using short answers. [02:00.61]Use the pause button. [03:56.06]Extract 3 Xiaoyan talks to
[00:02.40]Extaract 1 Xiaoyan and David meet at work. [01:12.95]Extract 2 Give advice using the cues in your book. [02:40.66]Extract 3 Xiaoyan phones a guesthouse to make a reservation. [03:50.20]Extract 4 Answer the questions as if you are Paul. [04:
[00:02.66]Extract 1 Answer the questions using the cues in your book. [01:19.83]Extract 2 Answer the questions using the information in your book. [02:49.30]Extract 3 Listen to part of Polly's job interview. [04:12.44]Extract 4 Respond to the questio
[00:03.16]Extract 1 Answer the questions using the prompts in your book. [01:11.67]Extract 2 Tim is on the telephone to Mary. [02:17.36]Extract 3 Answer the questions using the prompts in your book. [03:24.85]Extract 4 Listen and respond to the state
By Jessica Berman Washington 23 October 2007 Researchers say that an extract made from broccoli sprouts may prevent skin cancer when applied directly to the skin. VOA's Jessica Berman reports scientists say broccoli contains a chemical that stimulate
'Cash Mob' Phenomenon Supports Local Business What do you get when you mix a store's need for more business with enthusiastic local consumers? A cash mob. Organized through social media, the phenomenon is based on the concept of a flash mob, where la
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi