—Excuse me. Is the library open all day?
—_____. Only from 8 a.m. to 4 p.m.

(单选题)The process of aging and eventual death must be considered a (单选题)The function of the last sentence is to ______. (单选题)Which of the following statements does the writer support? (单选题)Some people claim that nuclear energy is essential because _ (单选题)According to the opponents of nuclear energy, which of the f (单选题)The writer’s attitude toward nuclear energy is ______. (单选题)Child adoption is mentioned in the passage to show that ____ (单选题)The author’s opinion of child adoption seems to be that ____ (单选题)The author believes that intelligence testing ______. (单选题)The recent legal action taken by some black parents in Calif