[单项选择] Al Gore’’s "Inconvenient Truth" Movie: Fact or Hype The message in An Inconvenient Truth, the new movie starring former U. S. Vice President Al Gore, is clear: Humans are causing global warming, and the effects are devastating. Most scientists agree that the Earth is heating up, due primarily to an atmospheric increase in carbon dioxide caused mainly by the burning of fossil fuels such as coal and petroleum. But how accurate are some of the scientific claims made in the documentary In an attempt to clear the air, National Geographic News checked in with Eric Steig, an earth scientist at the University of Washington in Seattle, who saw An Inconvenient Truth at a preview screening. He says the documentary handles the science well. " I was looking for errors," he said. " But nothing much struck me as overblown or wrong. Claim: According to the film, the number of Category 4 and Category 5 hurricanes has almost doubled in the last
A. Y
B. N
C. NG

[单项选择] Al Gore’’s "Inconvenient Truth" Movie: Fact or Hype The message in An Inconvenient Truth, the new movie starring former U. S. Vice President Al Gore, is clear: Humans are causing global warming, and the effects are devastating. Most scientists agree that the Earth is heating up, due primarily to an atmospheric increase in carbon dioxide caused mainly by the burning of fossil fuels such as coal and petroleum. But how accurate are some of the scientific claims made in the documentary In an attempt to clear the air, National Geographic News checked in with Eric Steig, an earth scientist at the University of Washington in Seattle, who saw An Inconvenient Truth at a preview screening. He says the documentary handles the science well. " I was looking for errors," he said. " But nothing much struck me as overblown or wrong. Claim: According to the film, the number of Category 4 and Category 5 hurricanes has almost doubled in the last
A. Y
B. N
C. NG

[单项选择]Ever since AL Gore invented it, the Internet has been a paradise for those with a creative attitude to facts. Students, for example, commission and sell essays with such ease there that online "paper mills" devoted to this trade are one of the few domain name business models still thriving. With a few clicks of a mouse, a student can contract out any academic chore to "research" sites such as Grader-saver. Com or the Evil House of Cheating.
One market opportunity, however, frequently creates another. The past few months have seen a rapid rise in interest in software designed to catch the cheats. The subscriber base of Turnitin, a leading anti-plagiarism (防止剽窃) software house based in Oakland, California, has risen by 25 percent since the beginning of the year. Around 150 000 students in America alone are under its round electronic eye. And in Britain, the Joint Information Systems Committee, the unit responsible for advising the country’s universities ’on information tech
A. with Internet, students may find it even more difficult to do research work
B. Internet rarely provides students with the source of materials for paper compiling
C. Internet has beaten the companies devoting to academe cheating greatly
D. the invention of Internet has created great opportunities for academic cheating

[填空题]执行下列程序后
MOV AL，87
MOV CL，4
HOV AM，AL
AND AL，0FH
OR AL，30H
SHR AH， CL
OR AH，30H
上述程序段运行后，(AX)=______ 。

[填空题]执行下列程序段后
MOV AL，87
MOV CL，4
MOV AH，AL
AND AL，OFH
OR AL，30H
SHR AH，CL
OR AH，30H
写出AX=_______H。

[单项选择]已知(AL)=0EH，执行TEST AL，7FH后，(AL)=( )。
A. 0
B. 0EH
C. 7EH
D. 0FEH

[填空题]下列指令序列执行后，AL寄存器中的内容为 【7】 。 MOV AL，1 SAL AL，1 MOV BL，AL SAL AL，1 SAL AL，1 ADD AL，BL