55.（ ）

(单选题)What happens when sea levels rise in the Antarctic? (单选题)What does the passage say about king penguins? (单选题)What do we learn from the findings of a separate study? (单选题)What will happen by 2100, according to a new study? (单选题)（ ） (单选题)It can be known from the text that ______ can be responsible (单选题)According to the Paragraph 4, which way may not be used to p (单选题)The underlined word toxic can be replaced by ______. (单选题)The function of paragraph two can be a(n) ______. (单选题)From the first paragraph, we know that ______.