单项选择题How many families are mentioned in the text
单项选择题A job seeker has to make conversations with different people because______
单项选择题What does the following sentence mean ... the small fry are not helpless when bigger fish swim into their pool. (Para. 3)
单项选择题According to the passage, which of the following statements is NOT true
单项选择题According to the passage, Deresiewicz is______