4 . 语法填空
Scientists have created plants that glow (发光) in the dark. 1 (hopeful), they will produce plants that can light up our lives. The scientists, 2 are from a university in the USA, hope their discovery could lead to plant lights 3 (replace)electric lights. Professor Michael Strano, lead author of the research, explained that his team wants to create sustainable (可持续的) light 4 (source) . He said, “The vision is to make a plant that will be used 5 a desk lamp-----a lamp that you don’t have to plug in (连接,通电). The light 6 (power) by the energy of the plant itself.”
The researchers 7 (get) the idea of lighting plants from fireflies. They examined the substance (物质) in fireflies that makes them glow. They put the substance into plants 8 (make) them glow. The scientists were able to make plants that glowed for nearly four hours. The research team tested the substance on 9 (leaf) of some vegetables. Professor Strano thinks plant lights will play 10 important part in our life. He said, “We think this is an idea whose time has come.”
