[简答题]

Ah, blissful sleep, when we leave our daily toils behind and slip into mindless repose. Or do we (46) Two reports in Science, one involving rats and the other humans, suggest that during sleep our brains remain quite busy, furiously consolidating important memories that have accumulated during the day.
In the rat experiments, Matthew A. Wilson of the Massachusetts Institute of Technology and Bruce L. Mc Naughton of the University of Arizona inserted electrodes into the hippocampus, a region of the brain thought to be involved in spatial memory. As the rats learned to navigate a maze, their neurons fired in certain patterns corresponding to specific parts of the maze.
(47) For several nights after the rats’ maze exercises, their hippocampal neurons displayed similar firing patterns; the rats were apparently playing back their memories of running the maze. The major difference was that the firing was more rapid, as if the memories were being run

[简答题]

Ah, blissful sleep, when we leave our daily toils behind and slip into mindless repose. Or do we (46) Two reports in Science, one involving rats and the other humans, suggest that during sleep our brains remain quite busy, furiously consolidating important memories that have accumulated during the day.
In the rat experiments, Matthew A. Wilson of the Massachusetts Institute of Technology and Bruce L. Mc Naughton of the University of Arizona inserted electrodes into the hippocampus, a region of the brain thought to be involved in spatial memory. As the rats learned to navigate a maze, their neurons fired in certain patterns corresponding to specific parts of the maze.
(47) For several nights after the rats’ maze exercises, their hippocampal neurons displayed similar firing patterns; the rats were apparently playing back their memories of running the maze. The major difference was that the firing was more rapid, as if the memories were being run

[单项选择]

[听力原文]
M: Did you leave the hotel when Mick did at 2:30 p. m.
W: No, I just left fifteen minutes after him.

When did the woman leave the hotel（）
A. At 2:50 p.m.
B. At2:35 p.m.
C. At2:45 p.m.

[单项选择]

M: Did you leave the hotel when Mick did at 2:30 p. m.
W: No, I just left fifteen minutes after him.

When did the woman leave the hotel （　）
A. At2:50p.m.
B. At2:35 p.m.
C. At2:45 p.m.

[单项选择] Passage Two

One hot night last July,when our new baby wouldn’t or couhln’t sleep, I tried everything I could think of:a warm bottle, songs, gentle rocking. Nothing would settle him. Guessing that I had a long night ahead of me, I brought a portable TV into his room,figuring that watching the late movie was as good a way as any to kill of the hours till dawn. To my surprise, as soon as the TV lit up, the baby quieted right down, his little eyes focused brightly on the tube. Not to waste an opportunity for sleep, I then tiptoes out of the room,leaving him to watch the actors celebrate John Bellushi’s forty-fifth birthday.
My wife and I heard none of the baby that night, and the next morning when I went into his room, I found him still watching TV himself.
I found in my baby’s behavior a symbol of the new generation. My wife and I had given him some books to examine, but he merely spit upon them. When we read to hi
A. To make his son keep quiet.
B. To spend the night by watching TV programs.
C. In order not to let his son feel lonely.
D. To make his son go to sleep as soon as possibl

[填空题]When our bidding is defeated by another bidder, eBay will inform us of this by _______________.

[填空题]When our visit to the factory was over, we expected (start)（）back by bus.

[单项选择]In these times, when our form of government is being criticized by people of many different beliefs, it is important that we understand the principles on which our society was founded. Too often these principles are disregarded by the very people who are most vociferous in defending the country against criticism. Basic to our democracy is a belief that truth can only be arrived at through a free interchange of ideas. Freedom of speech is one of our most cherished values. Nevertheless, with a total disregard of the principles of democratic fair play, the average citizen is apt to hurl rash accusations in an attempt to silence anyone who may not agree with him. Too many citizens understand democracy only as a slogan and have no real concept that democracy in practice means we must tolerate flue expression of unpopular ideas.
Out list of deadly sins should be revised to include the misrepresentation of principles to gratify one’s personal spite or vanity, the betrayal of great causes
A. objective interest
B. hostile antagonism
C. hesitant acceptance
D. enthusiastic approval