根据《专利法》的规定，可以给予专利实施强制许可的情况包括( )。A．国家因抗震救灾

甲、乙两种产品进行对比试验，得知甲产品比乙产品的性能更稳定，则甲、乙两种产品的抽样数据是（    ）。

People are often killed while c___73______ the road. Most of them are old people and c____74____. Old people are often killed because they are careless. People should look and listen b____75____ they cross the road. A car, a truck or a bus can’t stop very q___76_____ if it is going very fast. It will travel many meters before it s____77_____. Pedestrian(行人)don’t know this. They think that a car can stop right away. It is h___78_____ for a pedestrian to know how fast a car is traveling. The only s____79____way to cross the road is to look at b___80____ ways, right and left. The correct way to cross the road is t___81____ walk quickly when the traffic l__82____ turn green.

主动脉夹层并发胸、腹、心包积血、出血等症，最佳治疗方案为（）

A.积极内科保守治疗

B.积极内科治疗后效果欠佳者可考虑手术治疗

C.Ⅰ、Ⅱ型主动脉夹层转化为Ⅲ型后方考虑手术治疗

D.急诊手术

E.内科保守治疗的同时，密切观察有无向Ⅲ型转化的可能，如有转化趋势，此时需手术治疗

气性坏疽患者换下的敷料正确的处理方法是（）

A.过氧乙酸浸泡后清洗

B.高压灭菌后再清洗

C.丢入污物桶后再集中处理

D.日光下晒后清洗

E.焚烧处理

以下哪一座教堂的穹顶标志着意大利文艺复兴建筑的开始（）

A.圣索菲亚大教堂

B.佛罗伦萨主教堂

C.巴黎圣母院

D.罗马万神庙