第29题: [单项选择]According to the passage, what is the meaning of the phrase "ups and downs" in the fifth sentence of paragraph two A. Good and bad experiences. B. The movement of going up and down. C. Conflicts. D. Happiness. 参考答案:A 答案解析:[解析]通读前后文可以找到答案。此处 ups and downs 是指“生活中的沉沉浮浮”,所以我们选A。C、D不够完整,B选项是其字面的意思。