【单选题】【消耗次数:1】
_______ his sister, Jack is quiet and does not easily make friends with others.
Dislike
Liking
Alike
Unlike
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相关题目
【单选题】 _____his sister, Jack is quiet and does not easily make friends with others.
①  Dislike
②  Unlike
③  Alik
④  Liking
【单选题】 He never does his homework [填空] others.
①  so careful as
②  as carefully as
③  carefully as
④  as careful as
【单选题】 In the past he often made his sister___, but now he is often made __by his sister.
①  to cry; to cry
②  cry
③  to cry; cry
④  cry; to cry
【判断题】 He is not as clever as his sister.
①  正确
②  错误
【单选题】 7.Children learn how to______ with others by playing with their friends.
①  interact
②  talk
③  involve
④  . absorb
【单选题】 The girl is not so [填空] as his sister.
①  worrying
②  worried
③  worry
④  worries
【单选题】 Jack is so ____ to his appearance that he never has his clothes pressed.
①  adverse
②  anonymous
③  indifferent
④  casual
【单选题】 Jack is so _____ to his appearance that he never has his clothes pressed.
①  adverse
②  anonymous
③  indifferent
④  casual
【单选题】 No one, except his two best friends ____his joy or sorrow in his life.
①  shares
②  share
③  sharing
④  to share
【判断题】 He is less careful than his sister.
①  正确
②  错误
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【判断题】 程序在运行时需要很多系统资源,如内存、文件、设备等,因此操作系统以程序为单位分配系统资源。
①  正确
②  错误
【单选题】 在单CPU的系统中,若干程序的并发执行是由( )实现的。
①  用户
②  程序自身
③  进程
④  编译程序
【单选题】 如果进程Pa对信号量S执行P操作,则信号量S的值应( )。
①  加1
②  减1
③  等于0
④  小于0
【单选题】 进程控制块是描述进程状态和特性的数据结构,一个进程( )。
①  可以有多个进程控制块
②  可以和其他进程共用一个进程控制块
③  可以没有进程控制块
④  只能有唯一的进程控制块
【单选题】 如果信号量S的值是0 , 此时进程A执行P(S)操作,那么,进程A会( )。
①  继续运行
②  进入阻塞态,让出CPU
③  进入就绪态,让出CPU
④  继续运行,并唤醒S队列头上的等待进程
【单选题】 有9个生产者,6个消费者,共享容量为8的缓冲区。在这个生产者-消费者问题中,互斥使用缓冲区的信号量mutex的初值应该为( )。
①  1
②  6
③  8
④  9
【单选题】 顺序程序和并发程序的执行相比,( )。
①  基本相同
②  有点不同
③  并发程序执行总体上执行时间快
④  顺序程序执行总体上执行时间快
【单选题】 已经获得除( )以外的所有运行所需资源的进程处于就绪状态。
①  存储器
②  打印机
③  CPU
④  磁盘空间
【单选题】 某进程由于需要从磁盘上读入数据而处于阻塞状态。当系统完成了所需的读盘操作后,此时该进程的状态将( )。
①  从就绪变为运行
②  从运行变为就绪
③  从运行变为阻塞
④  从阻塞变为就绪
【单选题】 在操作系统中,进程的最基本的特征是( )。
①  动态性和并发性
②  顺序性和可再现性
③  与程序的对应性
④  执行过程的封闭性