Dr. Simonis and Dr. Elliss experiment has proved that______.

A . 减少网络通信量 B . 检测网络故障 C . 负责为整个网络生成LSA D . 减少链路状态数据库的大小

A . the serial 1/1 address B . the serial 2/0 address C . a randomly generated internal address D . the configured router - id addre

A . 正确 B . 错误

A . ip ospf network broadcast B . ip ospf network non - broadcast C . ip ospf network point - to - multipoint D . ip ospf network point - to - multipoint non - broadcast

A . candle test，adding-up test，word assoviation test. B . candle test，word assoviation test，adding-up test. C . Adding-up test，candle test，word assoviation test. D . Adding-up test，word assoviation test，candle test.

A . ip ospf network broadcast B . ip ospf netw ork non - broadcast C . ip ospf network point - to - multipoint D . ip ospf network point - to - multipoint non - broadcast

A . 正确 B . 错误

A . a disk-to-disk backup solution keeping all storage in the data center B . a backup solution that includes magnetic tape that is shipped to an off-site storage facility C . a less powerful copy environment at a hot site with asynchronous mirroring and cluster technology D . an exact copy of the primary environment at a hot site with remote mirroring and cluster technology

A、shut B、typed C、defeated D、absorbed

A.reminded of B.absorbed in C.tended by D.concerned about

W: Thank you very much for your trust, Peter. As your academic advisor I will try my best to help you. M: Thanks. It's about my major... W: Well, what's the matter？ M: I used to major in English, but now I have made up my mind to switch to Applied Linguistics, concentrating on Teaching English as a Foreign Language. W: So you want to switch majors？ M: Yes. But I wonder if it is possible. W: Well, usually we allow it, as long as you have enough credits. M: That's good news for me. I'm not interested in literature and that sort of thing. I want to be a real teacher, Professor. But I'm worried about the make-up credits. W: You usually do have to make up some credits when you switch majors. Are you OK on credits？ M: Not too many. I'll have to add about 12 credits as far as I can. figure from my transcript. Would you please let me know how many credits are required to get a master's degree？ W: Usually thirty-six credits are needed, ff you take five courses per term, you'll have enough credits after just two semesters. Usually each course is worth three credits. To get the six remaining credits you either prepare a thesis or take two more courses. M: Is there anything else besides the 36 credits for the master's？ W: You have to have an oral defense． M: I see．I really appreciate your help，Professor． W: Glad I can help．Good luck．Peter． (23) A．A literature professor. B．An academic advisor. C．Dean of the English Department. D．A Doctor of Applied Linguistics.

A．By examining the different chemicals in gamblers' bodies. B．By testing the gamblers' heart beat. C．By asking the gamblers to discuss their ideas. D．By asking the gamblers to speak aloud their feelings.

下列与强直性脊柱炎密切相关的是 () A、HLA-DR9 B、HLA-DR4 C、HLA-B27 D、HLA-DR2 E、HLA-DR5

是 否

According to Dr. Scorer, Benjamin Franklin first proved thunderclouds are charged with electricity. Later investigation showed that the tops of the clouds have a great positive charge and the bottoms a great negative charge. When the charges become great enough to break down the insulating properties of the air, lightening flashes carry the electricity within the cloud, or from cloud to cloud, or from cloud to earth. But the question remained: how do the charges develop within the cloud？ To seek the cause, Dr. Scorer and his colleagues at the college first duplicated thundercloud currents in a liquid tank. They doubt that mixture takes place only in the tops of the clouds. Next a study of thunderclouds over the North Atlantic showed that lightening occurs only when the air temperature around the cloud is below freezing. Particles at the top of the cloud begin to freeze, but those in the remainder of the cloud stay unfrozen although below freezing temperature. To measure moisture, the scientists sent planes equipped with external refrigerated rods into the clouds. The idea was that moisture would freeze on the rods and could later be measured. The men found, however, that some of the moisture particles bounced off the rods. This accidental discovery set the scientists on a new course of action. In the laboratory, S. E. Reynolds whirled a refrigerated rod through ice particles and found that the particles bounced off the rod acquired a positive charge. This was the missing link. Without hail and super-cooled clouds, he concluded there could be no lightening. According to the article, Benjamin Franklin was the first to prove that _______. A．lightening is caused by hail falling through super - cooled clouds B．thunderclouds are not charged with electricity C．thunderclouds are charged with electricity D．lightening was not an invention of the devil

A．Candle test, adding-up test, word-association test B．Candle test, word-association test, adding-up test C．Adding-up test, candle test, word-association test D．Adding-up test, word-association test, candle test