翼机通重点目标客户为有需求的中小企业()
A、小额支付
B、OA办公
C、门禁
D、考勤管理
参考答案:D
Over 20% of the students at that school _____ the habit of smoking, which is beyond imagination.
A.is
B.are
C.has
D.have
什么是真子午面及首子午面?