【简答题】For Questions 6~10,you will hear a lecture on John F.Kennedy and Abraham Lincoln.While you listen,complete the sentence(s)andanswer the question(s).Use not more than 3 words for each answer.You will h...
【单选题】Questions are based on the following passage. Gravity is one of those things we take completely for granted. And there are twothings about it that we take for granted: the fact that it is always there...