8. 下列有关进程管理的叙述中，叙述正确的是（　）。 A. 进程之间同步，主要源于进程之间的资源竞争，是指对多个相关进程在执行次序上的协调。 B. 临界资源是指每次仅允许一个进程访问的资源 C. 信号量机制是一种有效的实现进程同步与互斥的工具，信号量...

38: Nixon thinks that the cooperation between the East and the West is impossible. A: 错误 B: 正确 ...

26: The vice presidential running mate of Gorge W. Bush Jr. in the 2000 Election was ______ A: Gore B: Power C: Cheney D: Nixon ...

18: Which Olympiad is Beijing running for ? A: Summer Olympiad 2000 B: Summer Olympiad 2004 C: Summer Olympiad 2008 D: Summer Olympiad 2012 ...

13: The city hall auditorium in East London is a place for ____. A: concert B: witness under Apartheid to release their pain C: police office D: post office ...

6: Lana Staheli thinks that in order to get the marriage back on track, the couple should ___. A: set a regular time to discuss important issues B: seek therapists’ help C: admit mistakes D: schedule playtime and go back to the way wh...

16: According to most educators , __________ is not the virtues of homework. A: building good study habits B: building time-management skills C: reinforcing the day’s lessons D: crying jags ...

18: The audience for Spanish broadcasting is made up almost entirely of-----. A: youth B: children C: adults D: old people ...

4: The highway is in tune with the natural beauty. A: 错误 B: 正确 ...

28: In the 2000presidential election, the most important state which decides the political fates of Bush and Gore is ________. A: California B: Florida C: Maine ...