【Earth&Sky】专家敦促纳米产品应透明化_英语听力练习mp3下载-科学-沪江听力酷

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【Earth&Sky】专家敦促纳米产品应透明化

听力简介：

听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号,注意标点~

Jennifer Kuzma: Be aware that nanotechnology is out there. It can have great benefits, but that there will be some risks [---1---].

You are listening to Jennifer Kuzma with the Center for Science, Technology, and Public Policy at the University of Minnesota. Kuzma studies the impact of nanotechnology – the engineering of materials at the [---2---] — on the food we eat. She's an expert on nanotechnology regulation in the United States.

Jennifer Kuzma: So, the current level of [---3---] is really basically 'stay the course' — regulate them under existing laws.

Nowadays, you see the word 'nano' used in advertising. But products using that word may not be made with nanotechnology. Meanwhile, actual nanoproducts don't need to be identified as such. Kuzma said that's a problem.

Jennifer Kuzma: Nanoparticles, or nanomaterials can [---4---] through tissues, can [---4---] cells, the nucleus of some cells.

She thinks better consumer information is needed for products made with nanotechnology.

Jennifer Kuzma: [---5---]

Thanks today to the USDA Cooperative State Research, Education and Extension Service, the National Research Initiative Program and Cornell University.

We are at E&S, a clear voice for science.

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