【单选题】【消耗次数：1】
5 -Id like to buy that coat. -Im sorry. ___.
①
it sold
②
its selling
③
Its been sold
④
it had been sold
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相关题目
【单选题】
-Id like to buy that coat. -Im sorry. ___.
①
it sold
②
its selling
③
Its been sold
④
it had been sold
【判断题】
A: Could I borrow your CD of English songs? B: Im sorry. Its not at hand now.
①
正确
②
错误
【单选题】
Ive never been to Beijing, but its the place _______.
①
where Id like to visit
②
in which Id like to visit
③
I most want to visit
④
that I want to visit it most
【单选题】
These goods are _____ for export, though a few of them may be sold on the home market.
①
essentially
②
completely
③
necessarily
④
remarkably
【单选题】
Its ( ) that he has been away from home.
①
evident
②
important
③
genuine
④
alternative
【单选题】
A: Im sorry. Those shoes are not available in your size. B: [填空].
①
No use saying sorry. Thats a real let down
②
Im truly grateful for your help
③
Its just as Ive expected
④
Thats a pity. Thank you anyway
【单选题】
A: Im sorry. Robert is not in his office. B: [填空]?
①
Are you sure for that
②
Would you like to leave a message
③
Can you take a message for me
④
Can he phone me
【多选题】
Its the_____________ coat that was stolen from me.
①
small
②
same
③
identical
④
identity
【单选题】
— Oh, Im sorry. But I promise Ill be more careful next time.— _______________________.
①
Its nothing
②
Oh, never mind. It doesnt matter
③
Thank you
④
There are no questions
【单选题】
If the doctor had been available, the child ____________.
①
would not die
②
could not have died
③
might not die
④
should not have died
随机题目
【单选题】
在独立请求方式下，若有N个设备，则______。
①
有一个总线请求信号和一个总线响应信号
②
有N个总线请求信号和N个总线响应信号
③
有一个总线请求信号和N个总线响应信号
④
有N个总线请求信号和一个总线响应信号。
【单选题】
下列陈述中不正确的是 。
①
总线结构传送方式可以提高数据的传输速度
②
与独立请求方式相比，链式查询方式对电路的故障更敏感
③
PCI总线采用同步时序协议和集中式仲裁策略
④
总线的带宽即总线本身所能达到的最高传输速率
【单选题】
以下叙述___是正确的。
①
外部设备一旦发出中断请求，便立即得到CPU的响应
②
外部设备一旦发出中断请求，CPU应立即响应
③
中断方式一般用于处理随机出现的服务请求
④
程序查询用于键盘中断。
【单选题】
异步控制方式常用于__________作为其主要控制方式
①
在单总线结构计算机中访问主存与外设时
②
微型机的CPU控制中
③
组合逻辑控制的CPU中
④
微程序控制器中
【单选题】
在I/O设备、数据通道、时钟和软件这4项中，可能成为中断源的是___
①
I/O设备
②
I/O设备和数据通道
③
I/O设备、数据通道和时钟
④
I/O设备、数据通道、时钟和软件
【单选题】
下列说法中正确的是________
①
微程序控制方式和硬布线控制方式相比较，前者可以使指令的执行速度更快
②
若采用微程序控制方式，则可用μPC取代PC
③
控制存储器可以用掩模ROM、EPROM或闪速存储器实现
④
指令周期也称为CPU周期