聽寫填空,只寫填空內(nèi)容,不抄全文,3-5個(gè)句子,不用寫標(biāo)號(hào),注意標(biāo)點(diǎn)~

George Whitesides: Plants are what connect humankind to the sun and the ultimate source of energy. [---1---]

You're listening to Harvard chemist George Whitesides. [---2---]

George Whitesides: So with plants, there are an enormous range of very important and interesting problems to be solved, from perhaps improving the efficiency of photosynthesis, to improving food quality.

[---3---]

George Whitesides: A cell is not an empty bag but a very, very crowded environment with many complicated molecular machines, that is, collections of molecules that perform the business of the cell.

[---4---]

George Whitesides: Take the simplest plant and ask, how on Earth it could be that a relatively simple genome, usually somewhat smaller than ours, can instruct cells to become leaves and stems and flowers. And the honest answer is, we don’t know. [---5---]

All right, thanks today to the USDA (U.S. Department of Agriculture) National Research Initiative Program and Cornell University.

We're ES, a clear voice for science.

【視聽版科學(xué)小組榮譽(yù)出品】
But not every plant is adapted ideally for us and for the world in which we live. He's talking about how nanotechnology can improve our understanding of plants, and ultimately agriculture. To understand a plant at the very small nano scale, said Whitesides, one should look inside the plant's cells. Whitesides said he was humbled by this complexity. We don't really know what life is.
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