填空题：罗马帝国的疆域达到最大规模时，________成为它的内湖。

题型：单项选择题 A1/A2型题

对于有明确潜伏期的感染，入院后多长时间内发生的感染为医院感染（）

A.24h

B.36h

C.48h

D.72h

E.超过平均潜伏期后

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题型：阅读理解

Which is sillier: denying we ever went to the moon or trying to convince the true nonbelievers?

Once upon a time – July 20, 1969, to be specific – two men got out of their little spaceship and wandered around on the moon for a while. Ten more men walked on the moon over the next three and a half years. The end.

Unfortunately, not quite. A fair number of Americans think that this whole business of moon landings really is a fairy tale. They believe that the landings were a big hoax (骗局) staged in the Mojave Desert, to convince everyone that U.S. technology was the “bestest” in the whole wide world.

Which is the harder thing to do: Send men to the moon or make believe we did? The fact is the physics behind sending people to the moon is simple. You can do it with computers whose entire memory capacities can now fit on chips the size of postage stamps and that cost about as much as, well, a postage stamp. I know you can because we did.

However, last fall NASA considered spending $15,000 on a public-relations campaign to convince the unimpressed that Americans had in fact gone to the moon. That idea was mostly a reaction to a Fox television program, first aired in February 2001, that claimed to expose the hoax. The show’s creator is a publicity hound (猎狗) who has lived up to the name in more ways than one by hounding Buzz Aldrin, the second man on the moon. Mr. X (as I will call him, thereby denying him the joyous sight of his name in print) recently followed Buzz Aldrin around and called him “a thief, liar and coward” until the 72-year-old astronaut finally lost it and hit the 37-year-old Mr. X in the face.

Anyway, NASA’s publicity campaign began to slow down. The nonbelievers took the campaign as NASA’s effort to hide something while the believers said that $15,000 to convince people that the world was round — I mean, that we had gone to the moon — was simply a waste of money. (Actually, the $15,000 was supposed to pay for an article by James E. Oberg, an astronomy writer who, with Aldrin, has contributed to Scientific American.)

If NASA’s not paying Oberg, perhaps it could put the money to good use by hiring two big guys to drag Neil Armstrong out of the house. Armstrong is an extremely private man, but he is also the first man on the moon, so maybe he has a duty to be a bit more outspoken about the experience. Or NASA could just buy Aldrin a commemorate plaque (纪念匾) for his recent touch on the face of Mr. X.

小题1:We can learn from Paragraphs 2 and 3 that some Americans believe _______.

A．moon landings were invented

B．U.S. technology was the best

C．moon landing ended successfully

D．the Mojave Desert was the launching base小题2:According to the writer, which of the following is to blame for the story about the hoax?

A．NASA’s publicity campaign.

B．The Fox television program.

C．Buzz Aldrin.

D．James E. Oberg.小题3:According to the writer, Mr. X _______.

A．told a faithful story

B．was not treated properly

C．was a talented creator

D．had a bad reputation小题4:The believers think that NASA’s publicity campaign is ________.

A．proof to hide the truth

B．stupid and unnecessary

C．needed to convince the non-believers

D．important to develop space technology小题5:The tone of the article is _______.

A．angry

B．conversational

C．humorous

D．matter-of-fact

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题型：单项选择题

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