影像增强管的形式有
A.单视野
B.两视野
C.六视野
D.三视野
E.连续可变视野
参考答案:A,B,D,E
To my surprise, at yesterday’s meeting he again the plan that didn’t sound reasonable.
A.cheered up
B.settled down
C.brought up
D.put up
某县农村低保标准为900元,某家庭夫妻俩人,有两子,均已成家,长子一家年人均纯收入为3000元,次子一家年人员纯收入为2000元,那么,夫妻二人每年应接受赡养费多少元?