获评“2014 年度感动中国人物”，并荣获2014 年度国家最高科学技术奖的是我国的著名核物理学家、“两弹一星”功勋、中国“氢弹之父”（     ）

    All China's major cities have good transport____(network). There are the tour buses, mini buses, taxis, as well as public buses,

    Buses in Chinese towns are always____(crowd). The fare depends on distance, and is payable to the____(conduct) of buses.

    A taxi is often ____most convenient means of travel in the City. They are available at airports, railway stations and hotels and even in urban areas. The total fare depends on the starting meter price____can range from 5 to 12 yuan, and the distance. Extra fees____(charge) for waiting and low speed driving during traffic jams. If you take a taxi after 11 pm, a 20 percent surcharge applies over the basic fare.

    The minibus is a compromise between the____ (relative) expensive taxis and full public transport. Their charge is a little more than that of the bus, about 2 yuan or more____ (depend) on distance, but it is very convenient, because it can stop____ any point you want along the route.

    Tour buses, normally ____ (equip) with air conditioning and TV, are managed by travel agencies, hotels and airports and provided for short tours, A tour guide is usually present on such buses.

下边漫画《做家务》给我们的启示是（  ）

①多帮助父母做些家务，是培养责任心和提高生活自理能力的重要途径
②帮助父母做家务，也是孝敬父母的重要表现
③孝敬父母，就要从日常生活的点滴小事做起
④只有帮助父母做家务活，才能真正体现出我们对父母的孝敬
⑤学习已够累的，父母不应让我们花费时间做家务

设集合$P=\left\{3,{\log }_{2}a\right\},Q=\left\{a,b\right\}$且$P\cap Q=\left\{0\right\}$则$P\cup Q=$（    ）