[解析]
(1)C.推理判断题.根据文章第一段内容,"Old Dawson,they said,would come after you with his gun."及文章第五段内容,"Everyone says he's the meanest man in town.How come he was so nice to us?"可知,道森先生会拿枪追着你跑,被说成是镇上最吝啬的人,孩子们都怕他,这些都表明他是一个冷酷的人,故选C.
(2)B.细节理解题.由文章倒数第二段Amy的话"my grandma told me that if I pretended I wasn't afraid and pretended he was smiling an invisible smile at me and I smiled back at him,sooner or later he would really smile.Grandma says smiles are contagious."可知,是她奶奶的建议让她和道森先生互相微笑,走得更近,故选B.
(3)C.词义猜测题.根据文章倒数第二段内容,"my grandma told me that if I pretended I wasn't afraid and pretended he was smiling an invisible smile at me and I smiled back at him,sooner or later he would really smile.Grandma says smiles are contagious.""我奶奶告诉我,如果我假装不害怕,假装他在对我微笑,我朝他微笑,他迟早会笑的.奶奶说微笑是有传染性的."结合选项,故选C.
(4)B.写作意图题.根据文章最后一段内容,It's so easy to get caught up in everyday life that we forget how simple it can be to bring cheer to ourselves and others.Giving a smile away takes so little effort and time.Let's make sure that we're not the ones that others have to pretend to be wearing an invisible smile.我们很容易陷入日常生活中,忘记给自己和他人带来快乐是多么的简单.给别人一个微笑需要的努力和时间是如此的少.让我们确保我们不是那些别人不得不假装戴着看不见的微笑的人.以及文章通过Amy和道森先生因微笑关系改进的故事,告诉大家,无论何时都要微笑,故选B.