如图所示，⊙D 的半径为3，A是圆D外一点且AD=5，AB，AC分别与⊙D相切于点B，C．G是劣弧BC上任意一点，过G作⊙D的切线，交AB于点E，交AC于点F．
①G省财政厅公开招标发行2017年G省第六批政府债券
②C市规定购买首套普通住房的首付款最低比例提高至50％
③某上市公司发布公告，向相关银行申请延期二年偿还贷款本息
④国务院决定对有潜在价值、暂时经营困难企业实施债转股试点
读中国地形图，完成下面小题.
On May 22, a Han taxi driver an old lady to the hospital as soon as he could in Xinjiang.
The paper is made __________ wood and the desk is also made __________ wood.
