We can ( ) the main effects of poverty by looking at those on the lowest incomes in rich cities.

(单选题)What can be inferred from the first paragraph? ( ). (单选题)What is this passage mainly about? ( ). (单选题)What can be implied from the innovators? ( ). (单选题)Which group adopts new ideas before the average person? ( (单选题)What is this excerpt about? ( ). (单选题)What might be discussed later? ( ). (单选题)What is NOT true about the categories of the workers? ( ) (单选题)What's the main idea about the first paragraph? ( ). (单选题)Which type of writing does the passage belong to? ( ). (单选题)According to the passage, which of the following does the th