题目

阅读技能；根据短文内容，选择最佳答案。 Sarah lives in the country, and she loves playing in the river near her house. But her father gets a job in a big city, and he moves there with his family.    Their new house has a garden, but the garden is very small. Sarah isn’t happy. “Is there a river near here?” she asks her mother on the first morning. Her mother answers, “No, there isn’t, but there is a nice park near here and there is a pool in it. We are going there this afternoon.” Sarah is happy now.    After lunch, Sarah and her mother go to the park. 下列有关实验现象描述错误的是A．红磷点燃后伸入氧气中燃烧产生大量的白雾，放热B．镁条在空气中燃烧发出耀眼的白光，生成白色固体C．加热铜绿，绿色粉末会变成黑色D．将铜丝放入硝酸银溶液时，铜丝表面出现银白色物质