Many people like to travel by plane, but I don't like it because an airport is usually far from the city. You have to get there early and wait for hours for the plane to take off and it is often late. You can't open the windows. You can't choose the food. Planes are fast, but it still takes hours to go out of the airport and into the city.

      I like traveling by train. I think trains are safe. Railway stations are usually in cities. When you are late for a train, you can catch another one. You can walk around in the train and open the windows. You can see many interesting things on your way. I know it takes a little more time.

      I also like cars. You can start your journey when you want to and you don't need to get to a railway station or a bus stop. Also you can carry many things with you in a car. But sometimes there are too many cars on the road.

有人对中国近代某条约的危害作了形象描述：荷枪实弹的强盗不仅蛮横地拆除了我们家的大门，而且耀武扬威地开进我们的院子，旁若无人地站在我们家的甬路两侧，甚至还颐指气使地闯进我们的堂屋，用枪指着我们的脑袋。此条约的主要影响是（  ）

斯大林说：“党知道战争日益逼近，没有重工业就无法保卫国家……党记住了列宁的话：没有重工业，便无法保持国家的独立；没有重工业，苏维埃制度就会灭亡。”在这种思想指导下，苏联社会主义建设的主要特点之一是（   ）