“心小了，小事就大了；心大了，大事都小了。大其心，容天下之物。”上述人生格言主要告诉我们，在交往中要学会（     ）

    Hello! I'm Scott. The old woman on the sofa is my grandmother. She is 78 years old, but she is very healthy.

    Every morning, she gets up at 6:00 o'clock. And then she does some exercise for half an hour. For breakfast, she usually has a cup of milk, some bread and an egg. After breakfast, she always goes to the art club. She teaches the people to draw pictures. In the afternoon, she often goes to the park (公园) with her friends. She likes dancing very much. She has dinner with us at 6:30 in the afternoon. After that, she likes to go for a walk with my grandfather. She goes to bed at 9 o'clock.

小明用图示装置“探究动能大小与速度的关系”，下列说法正确的是（　　）

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武昌起义后，李四光当选为实业部部长，袁世凯上台后，他辞官前往英国求学；新中国成立时，正在欧洲讲学考察的李四光辗转回到祖国，后出任中华人民共和国地质部部长。从这些经历可以看出李四光(　　)

①在研究学问的同时也关注政治　②始终把实现政治抱负放在首位　③怀有满腔的报国热忱　④发挥所学开拓新中国的地质事业