题目

Human, Don’t Come too CloseFrequent touching from humans may change plants’ genes and slow their growth. When we see babies or pets, we can’t help gently touching them to show our love. And they give us happy feelings back. But a recent study shows that it’s different for plants. A study, published in The Plant Journal, shows that plants don’t “like” to be touched. That’s because touching changes their genes (基因) and, even worse, can slow their growth.Professor Jim Whelan of the La Trobe Institute in Australia gave an explanation. “The lightest touch from a human, animal根据意思写出成语。 1．互相依靠着生活，谁也离不开谁。（　　　　） 2．停止了哭泣，露出了笑容。（　　　　） 3．形容声音特别响亮，或者形容声势浩大或事业伟大。（　　　　） 4．形容高兴到了极点。（　　　　）