问题 多项选择题

胰腺的消化酶中,属于蛋白类的是

A.核糖核酸酶

B.弹性蛋白酶

C.胶原酶

D.胰磷脂酶

E.胰蛋白酶

答案

参考答案:A,B,C,E

材料分析题

材料一:

                                                  表一:我国主要资源储量情况表 

注:到2010年我国现有的45种主要矿产中可以满足社会经济发展需要的仅有21种。  

                                                  表二:我国资源消费情况表 

材料二:胡 * * 同志在十七大报告中强调指出:“要在我国建设生态文明,基本形成节约能源资源和保护生态环境的产业结构、增长方式、消费模式。大力发展循环经济,大力开发可再生能源。严格控制主要污染物排,使生态环境质量得到明显改善。”

(1)表一和表二分别反映了什么问题?

                                                                                                                                                              

                                                                                                                                                             

(2)材料二提出要大力发展循环经济。请你结合材料一的表一和表二,说明国家提出大力发展“循环经济”的依据。

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                             

                                                                                                                                                             

(3)请你为解决我国的能源短缺问题提几条合理化建议。

                                                                                                                                                              

                                                                                                                                                             

问答题 简答题