PAS染色除用于显示糖原外，还可用于显示下列哪种物质？（） A._爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A1/A2型题

PAS染色除用于显示糖原外，还可用于显示下列哪种物质？（）

A.淀粉样物质

B.中性黏多糖

C.混合性黏多糖

D.酸性黏多糖

E.纤维素

答案

参考答案：B

填空题

用方框中所给词的适当形式填空。

ride, garden, on, read, plane, be, put, dinner, math, living

     The Browns have a very nice 1           round their house. There 2           some tall trees and many
flowers in it. Now Mrs. Brown is getting some flowers from the garden. She wants 3           the flowers
in the dining room and the 4           room.
     Susan is sitting in a chair in the garden. She 5           a book. David is saying goodbye to his mother.
He often 6           his bike to school. He is a good student. He likes 7           best. He has lunch at
school 8           weekdays. Mr.Brown is in London now. This afternoon he is coming back by 9           .
The family will have 10           at home together this evening.

判断题

当代教育的发展中，学历教育和非学历教育的界限逐渐淡化。（）