Earth&Sky:專家敦促納米產(chǎn)品應(yīng)透明化
聽寫填空,只寫填空內(nèi)容,不抄全文,4個(gè)單詞/詞組+1個(gè)句子,不用寫標(biāo)號,注意標(biāo)點(diǎn)~
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.
【視聽版科學(xué)小組榮譽(yù)出品】
- 相關(guān)熱點(diǎn):
- 紅字第十五章