【简答题】Internet use seems to cause a drop in psychological( 心 理 )health, according to research at Carnegie Mellon University. Even people who spent just a few hours a week on the Internet experienced more ba...
【单选题】M; And now we’re going to go back to time. Just a few hours ahead it. Valerie Kingdom is in Las Vegas where it’s still _______31st. is that right, Valerie?
【简答题】There are 1 passages in this part. The passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best c...