下列哪项不是角膜接触镜的适应症()
A.糖尿病
B.角膜不规则散光
C.屈光参差大于2.5D
D.高度远视
E.高度近视
参考答案:A
发现线路有危及行车安全的不良处所时,机车要发出警报信号,鸣笛方式为()。
A、一长一短
B、一短声
C、二长声
D、一长三短声
She made two copies of this poem and posted them ______ to different publishers.
A. sensationally B. simultaneously C. strenuously D. simply