计算(﹣1)2009+(﹣1)2010的值是[ ]
A.0
B.﹣1
C.1
D.2
答案:A
--- What did he say about his visit to Australia?
--- He said he would go there ______.
A.next month
B.two months ago
C.the following month
D.two months before
大隐静脉曲张的治疗
A.高位结扎及剥脱术B.旁路转流术C.切开取栓术D.全皮下切除植皮术