某市欲制定一项地方性法规，对某项行为进行行政处罚。根据有关法律规定，该法规不得创设的

男生与女生的人数比是3：5，那么女生就占总人数的37.5%．______．

单词拼写（共10小题；每小题0.5分，满分5分） 

根据下列句子及所给单词的首字母，在横线上写出各单词的正确形式。

1.I was b__________ by the dog yesterday.

2.He went through the forest under the p__________ of his dog.

3.Ancient people h__________ for food.

4.Geography a__________ people’s ways of living.

5.Orange juice c__________ vitamin.

6.They were so popular that their fans formed clubs ino order to get more f___with them.

7.The doctor is p__________ an operation now.

8.How much did you e__________ last month？

9.The flowers are s__________to temperature, so we must take good care of them.

10.He p___________ to be doing his homework when his mother came into his room.

MDS-RAS的特点是（）

A.骨髓粒、红两系病态造血，骨髓原始细胞>5%，环铁幼粒细胞>15%

B.骨髓粒、红两系病态造血，骨髓原始细胞>5%，环铁幼粒细胞<15%

C.骨髓粒、红两系病态造血，骨髓原始细胞5%～20%，单核细胞>1×10⁹/L

D.骨髓粒、红两系病态造血，骨髓原始细胞21%～30%，单核细胞<1×10⁹/L

E.骨髓粒、红两系病态造血，骨髓原始细胞5%～20%，单核细胞<1×10⁹/L

患者女，32岁。小阴唇内侧密集小丘疹，表面光滑，不融合，呈"鱼籽状"，自觉症状缺如，醋酸白试验（-），应诊断为（）

A.尖锐湿疣

B.扁平湿疣

C.生殖器疱疹

D.女阴假性湿疣

E.鳞癌

简述传播效果研究的新课题。