搜题请搜索小程序“爱下问搜题”
问题 单项选择题

某植物水浸液，加三氯化铁呈绿黑色，加明胶有白色沉淀，与稀硫酸共煮，有暗红色沉淀，表明植物可能含下列哪类成分

A．蛋白质

B．有机酸

C．鞣质

D．黄酮

E．皂苷

答案

参考答案：C

选择题

哲学并不神秘，哲学就在我们身边。下列关于哲学智慧的产生的说法中，不正确的是     [ ]

A．哲学产生于人类的实践活动  

B．哲学产生于人们对实践的追问和对世界的思考  

C．哲学产生于哲学家的实践活动和主观情绪中  

D．哲学产生于人们认识世界和改造世界的活动中
查看答案
填空题

短文填词。

     Like most of my schoolmates, I have neither brothers nor

sisters-in other   1   , I am an only child. My parents                                                      

love me ly of course and will do all they    2    to make sure                                            

that I get a good   3   (教育). They do not want me to do                                           

any work at home; they want me to d   4    all my time to                                              

my studies so that I'll get good marks in all my    5   (科目). We                                  

may be one family and live  6    the same roof, but we do                                           

not seem to get much time to talk  7    (一起). It looks                                                  

as if my parents t   8   me as a visitor or a guest.                                                         

Do they really u  9     their own daughter                                                                 

What things are in other families, I w  10   .                                                             

查看答案