题目内容
（请给出正确答案）
A、adjustment
B、change
C、difference
D、modification
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更多“Travelers flying across time z…”相关的问题
"If your computer is down, just write me out a ticket."
"I can't write you out a ticket. The computer is the only one allowed to do so."
I looked down on the computer and every passenger was just standing there staring at the black screen. Then I asked her, "What do all you people do？'
"We give the computer the information about your trip, and then it tells us whether you can fly with us or not."
"So when it goes down, you go down with it."
"That's good, sir. '
"How long will the computer be down？" I wanted to know.
"I have no idea. There's no way we can find out without asking the computer."
After the girl told me they had no backup (备用) computer, I said. "Let's forget the computer. What about your planes？ They're still flying, aren't they？"
"I wouldn't know," she said, pointing at the dark screen. "Only 'IT'knows. 'It'can't tell me.
By this time there were quite a few people standing in lines. The word soon spread to other travelers that the computer was down. Some people started to cry and still others kicked their luggage.
The best title for the article is______.
A．When the Computer Is Down
B．How to buy a ticket
C．The Computer of the Airport
D．Asking the Computer
To English travelers in Italy, the use of forks seemed ______ .
A．clever
B．necessary
C．good manner
D．ridiculous
The reason why many big hotels are being torn down is that______.
A．more and more travelers choose to stay in motels
B．people want to spend their time in a more quiet place
C．it costs too much money for people to stay in a hotel
D．cities have become short of land for building large hotels
In the last sentence, "with flying colors" means______.
A. happily
B. colorfully
C. successfully
D. quickly
A.ACR对负载变化起抗扰作用
B.ACR对电网电压的波动起及时抗扰的作用
C.ASR在转速动态过程中有加快动态过程的作用
At daybreak every day flying foxes begin to ______. ()
A．fly out toward the sun
B．look for a new resting place
C．come back to their home
D．go out and look for food
Flying foxes tend to ______. ()
A．double their number every year
B．lose a lot of their babies
C．move from place to place constantly
D．fight and kill a lot of themselves
You are likely to be attacked if you ______.
A．keep after a flying target
B．hit a flying saucer
C．fire straight at a missle
D．keep chasing the enemy's tanks
The Solo Trek had a 120 horsepower engine with twin fans. Only one person flies. As you fly above the roofs, you lean a little forward. You can see everything under you. You are flying like Superman.
Michael Moshier looked at the jet belt and the rocket belt that was developed 20, 30 years ago. Nothing ever came from them. People still can't fly.
Inventors have tried to make it easy for people to fly. Paul Moiler has been working on his flying car for 30 years. He now says it is ready for tests. It would take off and land vertically, go 600 miles an hour, and deliver 20 miles to the gallon. A computer would do the actual flying. He says it could be sold next year for about a million dollars.
NASA is working with Moshier to help develop his flying machine. The first users are likely to be military.
It's been 50-years since Robert Fulton invented his airphibian, a flying car. It flew, and is now in the Smithsonian Museum.
Getting dreams to fly is never easy.
The Solo Flyer is able to lift off the ground by using ______.
A．a solar powered engine
B．engine-powered twin fans
C．large flapping wings
D．rotating blades
