问题
单项选择题
α-醋酸萘酚酯酶（α-NAE）染色呈阴性的是（）。
A.粒细胞
B.单核细胞
C.淋巴细胞
D.浆细胞
E.巨核细胞
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
α-醋酸萘酚酯酶（α-NAE）染色呈阴性的是（）。
A.粒细胞
B.单核细胞
C.淋巴细胞
D.浆细胞
E.巨核细胞
参考答案：D
Big schoolbags have been a big problem for students for a long time. Maybe your schoolbag is too 1 to carry, and it troubles you a lot 2 you want to find out a book to read. Now e-textbooks will 3 you. It is said that many Chinese middle schools are going to use e-textbooks. An e-textbook, in fact, is a small 4 for students. It is much 5 than a usual schoolbag and easy to carry. Though it is as small as a book, it can 6 everything for study. The students can read the text page by page on the 7 ，take notes 8 the pointer (屏写笔)，or even “hand in” their 9 to their teachers by sending e-mails. All they have to do is to press a button (按开关). Some people say e-textbooks are good, but some say they may be 10 for the students’ eyes. What do you think of it?
|