选择题:[多选题,4分]草酸钙结晶的鉴定方法有( )。A.不溶于稀醋酸B.溶于稀盐酸而有气泡产生C.溶于 题目分类:河南理工大学生药学 题目类型:选择题 查看权限:VIP 题目内容: [多选题,4分]草酸钙结晶的鉴定方法有( )。A.不溶于稀醋酸B.溶于稀盐酸而有气泡产生C.溶于稀盐酸而无气泡产生D.溶于10%~20%的硫酸E.溶于稀醋酸 参考答案:
珠柄、珠孔、合点在一条直线上的胚珠是( )。A.直生胚珠B.弯生胚珠C.横生胚珠D.倒生胚珠 珠柄、珠孔、合点在一条直线上的胚珠是( )。A.直生胚珠B.弯生胚珠C.横生胚珠D.倒生胚珠 分类:河南理工大学生药学 题型:选择题 查看答案
27、Harry, who had failed in the final exam, had a 27、Harry, who had failed in the final exam, had a great worry ________ his mind. 分类:河南理工大学生药学 题型:选择题 查看答案
7. In many cases, optional subjects ______ science 7. In many cases, optional subjects ______ science are available, such as busine 分类:河南理工大学生药学 题型:选择题 查看答案
4. – Don’t you feel surprised to see George at the 4. – Don’t you feel surprised to see George at the meeting? -- Yes. I really di 分类:河南理工大学生药学 题型:选择题 查看答案
72.If she wants to stay thin, she must make a ____ 72.If she wants to stay thin, she must make a ________ in her diet.A.changeB.tu 分类:河南理工大学生药学 题型:选择题 查看答案