问题
填空题
从环境保护的角度看,凡是影响人们______,和______的声音都属于噪声.
答案
从物理学角度讲,噪声是指发声体做无规则振动时发出的声音;从环保角度看,凡是影响人们正常学习、工作和休息的声音都属于噪声.
故答案为:正常学习、工作;休息.
从环境保护的角度看,凡是影响人们______,和______的声音都属于噪声.
从物理学角度讲,噪声是指发声体做无规则振动时发出的声音;从环保角度看,凡是影响人们正常学习、工作和休息的声音都属于噪声.
故答案为:正常学习、工作;休息.
Three Students go shopping with their families.Now let’s look at what they want to buy.
A. 旅游 B. 购物 C. 度假 小题2:Bill goes to with his mother. A.a clothes store B.a supermarket C.a fruit store 小题3:Wendy goes to the market with her mother to buy things for A .breakfast B.dinner C.lunch 小题4:It’s birthday today. A.Linda’s B.Linda’s mother’s C.Linda’s father’s 小题5:Which of the following is TRUE(哪项是正确的)according to the passage? A.Linda needs lots of fruit. B.Bi11 and Linda are in the supermarket. C.Wendy wants to buy some vegetables. |