问题 单项选择题

淀粉样变性中的淀粉样蛋白指()

A.玻璃样物质

B.纤维样物质

C.胶样物质

D.变性弹性蛋白

E.糖蛋白

答案

参考答案:E

解析:淀粉样蛋白是一种糖蛋白,其反应类似于淀粉,即遇碘呈棕色,再滴以10%硫酸液则呈蓝色。

句型转换

将下列句子改为否定句和一般疑问句并作肯定 和否定回答。

1、They did housework just now. 

                                                

                                                

                                                

2、I grew flowers last month. 

                                          

                                         

                                          

3、Tom rode horses the day before yesterday. 

                                                                

                                                                

                                                                

4、She shook her hands and said to us.

                                                      

                                                     

                                                       

5、There were some pencils on the desk a moment ago.

                                                                             

                                                                            

                                                                              

6、You were a good student last term.

                                                     

                                                     

                                                     

填空题