主动脉囊性中层坏死最常见的疾病是 A．动脉粥样硬化 B．马方综合征 C．多发性大动脉

When you have a pet dog, it is necessary to care for it carefully. The most i______ 小题1:part of dog-care is cleanliness. Not only does the dog have to be kept clean, _______小题2: his environment should be clean. The bed   it sleeps _______小题3:can be made with a carpet. Proper feeding is also important to your dog’s h_______(健康) 小题4:. A dog should be fed in the same place and on a ________(有规律的) 小题5:schedule. Food should never be left before a dog for o_______ 小题6:thirty minutes. Remember to keep fresh water available during hot weather. A______ 小题7:important thing many dog owners forget is exercise for their dogs. ______(积极的) 小题8:exercise helps build    strength and keeps the dog healthy. W______ 小题9:the dog at a fixed time the of day is enough to help the dog live a healthier and h_______ 小题10:life.

以净吨位作为车船使用税计税依据的有（）。

A.乘人汽车

B.畜力车

C.机动船

D.非机动船

E.载货汽车

办理国际应收账款池融资业务的风险防范措施包括（）。

A.严格审查客户贸易背景真实性、销售周期与融资期限是否合理

B.加强贷后管理，动态监控客户的生产经营、财务状况、履约记录

C.严格控制不可循环池融资项下应收账款的收汇资金，及时归还农业银行融资款项

D.严格审查客户出质应收账款性质，不具备条件的应收账款不得质押

以下税种中，不属于城市维护建设税计税依据的是______。

A．关税
B．营业税
C．增值税
D．消费税

检修照明回路时发现线路上电流大于空气开关的额定电流，这种情况可能导致（）。

A、过载

B、开路

C、短路

D、漏电