______ is the guarantee of improving learning efficiency and developing independent learning capability.

(单选题)What can be a way to decrease the consumption of animal fat? (单选题)Many Americans no longer maintain the meat-and-potatoes diet (单选题)It is suggested in the dietary guidelines that ______. (单选题)It means that for the first time, people will have a chance (单选题)Therefore, I believe it is time we elevated the game to the (单选题)Then one day a few years ago, out of my mouth came a sentenc (单选题)According to a recent survey, 95% of women aged between 15 a (单选题)The more students who enroll in a course but don’t come to c (单选题)She stayed in the Northwest, although the test could not be (单选题)In fact, New York’s municipal water for more than a century