Bob和Tom住在同一间大学宿舍里，Bob对大声放音乐的评价为100美元。Tom对安静的评价为150美元。以下哪一种表述是正确的（）。A、Bob继续放音乐是有效率的B、只要Tom有安静的产权，Bob停止大声放音乐就是有效率的C、只要Bob有大声放音乐的产权，Bob停止大声放音乐就是有效率的D、无论谁有声音大小的产权，Bob停止大声放音乐都是有效率的
Bob和Tom住在同一间大学宿舍里，Bob对大声放音乐的评价为100美元。Tom对安静的评价为150美元。以下哪一种表述是正确的（）。
- A、Bob继续放音乐是有效率的
- B、只要Tom有安静的产权，Bob停止大声放音乐就是有效率的
- C、只要Bob有大声放音乐的产权，Bob停止大声放音乐就是有效率的
- D、无论谁有声音大小的产权，Bob停止大声放音乐都是有效率的
相关考题：
pageContext.setAttribute("user","tom");request.setAttribute("user","bob");显示"bob",则可以使用 A.{request.getAttribute("user")}B.{param.user}C.{user}D.{requestScope.user}
下述程序的输出结果是______。includemain(){enum team{Jack,Andy,Sam=10,Bob=Sam＋2,To 下述程序的输出结果是______。 #include＜stdio.h＞ main() { enum team{Jack,Andy,Sam=10,Bob=Sam+2,Tom}; printf("%d,%d",Andy,Tom); }A．2，13B．1，0C．1，13D．1，12
Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?() A.REVOKE ACCESS ON DATABASE FROM USER bobB.REVOKE CONNECT ON DATABASE FROM USER tomC.REVOKE tom FROM ACCESS ON DATABASE BY USER bobD.REVOKE tom FROM CONNECT ON DATABASE BY USER bob
Bob和Tom住在同一间大学宿舍里，Bob对大声放音乐的评价为100美元。Tom对安静的评价为150美元。如果Bob有大声放音乐的权利，而且，如果没有交易成本，下列哪一种关于外部性问题有效解决的表述是正确的（）。A、Bob将支付Tom100美元，而且，Bob将停止大声放音乐B、Tom对Bob的支付在100——150美元之间，Bob将停止大声放音乐C、Bob将支付Tom150美元，Bob继续大声放音乐D、Tom对Bob的支付在100——150美元之间，Bob将继续大声放音乐
Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?（）A、REVOKE ACCESS ON DATABASE FROM USER bobB、REVOKE CONNECT ON DATABASE FROM USER tomC、REVOKE tom FROM ACCESS ON DATABASE BY USER bobD、REVOKE tom FROM CONNECT ON DATABASE BY USER bob
A UNIX user named Bob wants to replace his chess program with a new one， but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using thecommand： java -classpath /test：/home/bob/downloads/*.jar games. Chess Bob’s CLASSPATH is set （at login time） to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）A、/test/Chess.classB、/home/bob/Chess.classC、/test/games/Chess.classD、/usr/lib/games/Chess.classE、/home/bob/games/Chess.class
A UNIX user named Bob wants to replace his chess program with a new one， but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command： java -classpath /test：/home/bob/downloads/*.jar games.Chess Bob’s CLASSPATH is set （at login time） to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）A、/test/Chess.classB、/home/bob/Chess.classC、/test/games/Chess.classD、/usr/lib/games/Chess.classE、/home/bob/games/Chess.class
单选题A UNIX user named Bob wants to replace his chess program with a new one， but he is hot sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command： java -classpath /test：/home/bob/downloads/* .jar games.Chess Bob‟s CLASSPATH is set （at login time） to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/* .jar What is a possible location for the Chess.class file？（）A /test/Chess.classB /home/bob/Chess.classC /test/games/Chess.classD /usr/lib/games/Chess.classE /home/bob/games/Chess.classF inside jarfile /opt/java/lib/Games.jar （with a correct manifest）G inside jarfile /home/bob/downloads/Games.jar （with a correct manifest）
单选题Bob: What are you reading, Tom? Tom:It’s this week’s New Scientist, why? Bob:I was just wondering—______, but I’ve never actually read it myself. Is it aimed at real scientists or can ordinary people like me understand it?Ait’s for anyone really Bwhere I can buy itCit seems very expensiveDit looks interesting
单选题您需要授予用户BOB对“雇员”表的SELECT权限。您希望允许BOB将此权限授予其他用户。应使用以下哪条语句（）AGRANT SELECT ON雇员TO bob WITH GRANT OPTIONBGRANT SELECT ON雇员TO PUBLIC WITH GRANT OPTIONCGRANT SELECT ON雇员TO bobDGRANT SELECT ON雇员TO bob WITH AD MIN OPTION
单选题Bob和Tom住在同一间大学宿舍里，Bob对大声放音乐的评价为100美元。Tom对安静的评价为150美元。以下哪一种表述是正确的（）。ABob继续放音乐是有效率的B只要Tom有安静的产权，Bob停止大声放音乐就是有效率的C只要Bob有大声放音乐的产权，Bob停止大声放音乐就是有效率的D无论谁有声音大小的产权，Bob停止大声放音乐都是有效率的
单选题Bob和Tom住在同一间大学宿舍里，Bob对大声放音乐的评价为100美元。Tom对安静的评价为150美元。如果Bob有大声放音乐的权利，而且，如果没有交易成本，下列哪一种关于外部性问题有效解决的表述是正确的（）。ABob将支付Tom100美元，而且，Bob将停止大声放音乐BTom对Bob的支付在100——150美元之间，Bob将停止大声放音乐CBob将支付Tom150美元，Bob继续大声放音乐DTom对Bob的支付在100——150美元之间，Bob将继续大声放音乐
单选题A UNIX user named Bob wants to replace his chess program with a new one， but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command： java -classpath /test：/home/bob/downloads/*.jar games.Chess Bob’s CLASSPATH is set （at login time） to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）A/test/Chess.classB/home/bob/Chess.classC/test/games/Chess.classD/usr/lib/games/Chess.classE/home/bob/games/Chess.class
单选题A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java-classpath /test:/home/bob/downloads/*.jar games.Chess Bob'sCLASSPATH is set (at login time) to/usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?（）A/test/Chess.classB/home/bob/Chess.classC/test/games/Chess.classD/usr/lib/games/Chess.classE/home/bob/games/Chess.classFinside jarfile /opt/java/lib/Games.jar (with a correct manifest)Ginside jarfile /home/bob/downloads/Games.jar (with a correct manifest)
问答题John runs faster than Bob but slower than Tom. Bill usually runs faster than Bob, sometimes runs faster than John, but never faster than Tom. Who is the fastest runner?
单选题PHP表达式$foo=1+”bob3”，则$foo的值是（）A1B1bob3C1bD92