问题 单项选择题 A型题

脂溶性维生素中最易于排出体外的是()

A.维生素A

B.维生素D

C.维生素E

D.维生素K

E.维生素C

答案

参考答案:D

解析:脂溶性维生素易于储存于体内,而不易排出体外,维生素K是个例外。

材料题

阅读下列材料:

       秦朝创立了一整套封建专制主义的中央集权制度,它包括中央政府设立丞相、太尉、御史大夫,地方上推行郡县制。统一货币,统一度量衡,统一文字,焚书坑儒。反击匈奴,开发边疆,兴修灵渠。

请回答:

(1)这些措施中哪些为后来的封建王朝长期沿用?

                                                                                                                                                            

                                                                                                                                                            

(2)哪一项措施促进了秦朝各地经济文化的交流?

                                                                                                                                                            

                                                                                                                                                            

(3)哪些措施巩固和开发了边疆?

                                                                                                                                                            

                                                                                                                                                            

问答题 简答题