At this university, a medal together with a prize of certain sum of money ______ gains success in science and technology every two years.

(单选题)Which of the following words can best describe Alexis? (单选题)What did Alexis do to save Sue? (单选题)What was Sue doing when she was attacked by the deer? (单选题)Which of the following helps teenagers sleep well? (单选题)From the article, which of the following may NOT cause sleep (单选题)Which of the following means that you sleep well? (单选题)From Paragraph 1, which of the following is NOT true? (单选题)If you buy four books (one for each), how much can you save? (单选题)You read this advertisement most probably ______. (单选题)Which book is the most popular one among the buyers?