行政许可实施程序分为（）等环节。

A、申请与受理

B、审查

C、公示

D、决定与送达

Suppose a foreign friend of yours has written to inquire about the possibility of making a seven-day visit in China. Write a reply to give him some information. The following should be included:
(1) The place you recommend for him to visit and the reasons ;
(2) The suggested route and the timetable of the visit;
(3) Some advice on how he should prepare for the visit;
(4) Your arrangement for his visit to Beijing.