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Thanks for help and more ahead

Posted by Sphinx on June 06, 2003

Hi folks,
could I ask you these questions?
1.The policemen were called in the prison to put out a fire.
(i think we should use "called to" here. is it right?)

2.what does "to collect waiting dollars" mean?

3.a high-paying job, and a high-paid job, which one is right?

4.what is an "attitude barrier"?

5.Could you tell me, these 2 words "back" and "home" in the following sentence are of what parts of speech respectively?
Everyone back home will laugh at me if I leave China without seeing the Great Wall.

6.Clapp had a handheld device that could reveal objects below. It showed ruins under the sand! He and his team started digging, trying not to get their hopes (to succeed) up.
(what does "get up" mean here?)

7.In a few years, a computer will be able to teach you English and there will be no need for textbooks or teachers of English. Instead of buying an exciting new textbook, the computer will ask you to replace it with microprocessor one thousand nine hundred and eighty-four. Texas Instruments is now working on this.
(why the author writes "1984" here?)

8.The US continued to depend more on technology to prevent fires. New
heaters and irons shut themselves off if they are tipped.
(what does tip mean?)

I would appreciate it enormously if you would help me!
Thank you for your attention.