屈光检查处方为—5.25/—1.00×90，问须选择多少镜度隐形眼镜？（）

A．They only have effect on real patients.B．They are more or less effective for most people.C．They are the best methods ever found.D．They are far less helpful than sitting quietly. 点击查看答案

有关装运时间的表述方法，以下正确可行的有( )。A．Shipment on Feb．15th，2007B．Shipment during Feb．|Mar． Apr．，2007．C．Shipment before the end of May，2007D．Shipment on or before July 15th，2007E．Shipment within 45 days after receipt of L C 点击查看答案