Unit 5 Developing ideas & Presenting ideas 阅读训练2 2021-2022学年上学期高一英语外研版（2019）必修第一册

Unit 5 Into the wild Period 3 Developing ideas & Presenting ideas I. 阅读理解 There are many gardening tips. Some suggest playing music for your houseplants, having conversations with them, or even giving them a gentle touch now and then. Most of these practices are probably more for the benefit of the gardener than the garden, and generally harmless enough but except the last one. Your plants really dislike it when you touch them. A new study out of the La Trobe Institute for Agriculture and Food has found that most plants are extremely sensitive to touch, and even a light touch can significantly stunt (遏制) their growth. “The lightest touch from a human, animals, insects, or even plants touching each other in the wind, can cause a huge gene response in the plant,” Jim Whelan, who led the new study, said. “Within 30 minutes of being touched, 10% of the plant’s genome (基因组) is changed. This involves a huge expenditure (消耗) of energy which is taken away from plant growth. If the touching is