下列有关实验说法不正确的是( )
A:在观察洋葱鳞片叶内表皮细胞的DNA和RNA分布时,盐酸的作用是对该细胞进行解离
B:土壤小动物类群丰富度的研究中,酒精的作用是对小动物进行固定和防腐
C:在脂肪的鉴定实验中,观察染成橘黄色或者红色的脂肪滴需用显微镜
D:一个渗透系统达到平衡时,漏斗内的溶液浓度仍然可以高于烧杯中的溶液浓度
下列工业区中以重工业为主的是( )
下列属于科技改变我们的生活和对环境的认识的是( )
①洗碗机能让我们饭后不发愁
②可视电话改变了“只闻其声,不见其人”
③网上购物不用再逛市场
④神舟九号的成功发射
⑤嫦娥一号卫星的绕月飞行
My name is Lucy. I have two good friends, Mary and June. June and I are twelve years old. Mary is thirteen years old. My birthday is November 11th.June's birthday is September 11th .And Mary's birthday is January 18th. I like red, but they like green. Mary and June are in the same school. They have an Art Festival and a school trip every year, but I only have a Music Festival at my school.