问题
多项选择题
引起视力急剧减退的视神经病变有()
A.视 * * 水肿
B.缺血性视神经病变
C.视 * * 炎
D.球后视神经炎
E.视神经萎缩
答案
参考答案:B, C, D
引起视力急剧减退的视神经病变有()
A.视 * * 水肿
B.缺血性视神经病变
C.视 * * 炎
D.球后视神经炎
E.视神经萎缩
参考答案:B, C, D
用方框内所给词的适当形式填空。 | |
to all their questions. We will all have 2_____ at our homes. So we'll be 3_____ to let robots do most of the 4_____ While making a telephone call, we'll also be able to see the people on the 5_____ end at the same time. A lot of people will live and work under sea or in 6_____ because there will be big towns and 7_____ there. Robots will do most of the work,and people will just 8_____ two. or three days a week. They'll be able to 9_____ to the moon in a spaceship and 10_____ their holidays there. |