能够影响传染病流行过程的社会因素是()
A.新生儿增加
B.气候寒冷或酷热
C.传染病的流行
D.生活水平的提高
E.糖尿病的发病率增加
参考答案:D
补全对话。
A: Excuse me. Can you help me? I'm 1 for the post office.
B: 2 , I'm new here. You may ask that policeman.
A: Excuse me. Which is the 3 to the post office?
P: Go 4 Red Star Road, and 5 the second turning on the 6 , go across the 7 and walk on,
then turn 8 at the second crossing. You'll find it at the 9 of the road. It's next to the 10 .
You can't miss it.
A: Thank you very much.
P: It's a pleasure.
在演示文稿操作中,不能实现新增一个幻灯片的操作是()
A.选择“插入/新幻灯片顼”命令
B.单击工具栏中的“新幻灯片项”按钮
C.插入超级链接
D.使用快捷菜单