The backside of the title page should be left blank to avoid the need for revision and potential loss of the inserted airplane serial and registration numbers.( )
A.标题背面留空白,以防修改和可能潜在丢失的飞机编号和专利号的情况 B.标题的背面应留为空白,以防可能修改和插入丢失的飞机序列号和注册号的情况 C.标题的背面应留空白,因为修改可能导致所插入的飞机串号和识别号的丢失正确答案B
