【单选题】In a list of numbers, the first number is 3, the second is 4, and each subsequent number is the sum of all the preceding numbers in the list. If the 20th number in the list is x, what is the 25th numb...
【单选题】听力原文:M: How about the food I ordered? I've been waiting for 20 minutes already. W: I'm sorry, Sir. I'11 be back with your order in a minute. What is the woman's job?
【单选题】听力原文:M: How about the food I ordered7 I've been waiting for 20 minutes already. W: I'm very sorry, sir. I'll be back with your order in a minute. Who is the man most probably speaking to?