【单选题】The meaning of a word can be guessed according to the context, so you will not __________ refer to a dictionary the next time __________ you come across a new word.
【单选题】听力原文: People over the age of 65 in the U.S. are called senior citizens. Life for these people is different than for younger Americans. Most senior citizens retire, or no longer work full time. Also it...