【单选题】【消耗次数：1】
计算机要能录音和放音，不可少的部件是
①
CD—ROM
②
耳机
③
声卡
④
显卡
参考答案：
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相关题目
【单选题】
计算机内存由ROM和RAM组成，下面说法正确的是
①
ROM只能读信息，不能写；RAM不能读但能写
②
ROM既不可读，也不可写；RAM既可读也可写
③
断电后ROM中的信息不清除，RAM中的信息会清除
④
断电后ROM中的信息会清除，而RAM中的信息不清除
【单选题】
计算机内存由ROM和RAM组成，下面说法正确的是
①
ROM只能读信息，不能写 RAM不能读但能写
②
ROM既不可读，也不可写；RAM既可读也可写
③
断电后ROM中的信息不清除，RAM中的信息会清除
④
断电后ROM中的信息会清除，而RAM中的信息不清除
随机题目
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”The four rubber tyre of the automobile move America through work and play.
①
正确
②
错误
【多选题】
It is our_____________ to protect the people.
①
date
②
duty
③
responsibility
④
responsible
【多选题】
_____________ , computers can do many of the things we do, but faster and better.
①
In time
②
In fact
③
Actually
④
As a matter of fact
【多选题】
Its the_____________ coat that was stolen from me.
①
small
②
same
③
identical
④
identity
【多选题】
We_____________ from the facts.
①
drew a conclusion
②
reached a conclusion
③
came to a conclusion
④
started a conclusion
【多选题】
_____________ , he had to stay at home to look after her.
①
His mother being ill
②
His mother ill
③
Although his mother was ill
④
As his mother was ill
【单选题】
I must____________ you that if you do this again you will be punished.
①
waste
②
worry
③
warn
④
weep
【单选题】
Of course she ___________ what youve done.
①
is pround of
②
finds a way
③
takes off
④
fights for
【单选题】
Ted: I’m very sorry for stepping on your foot.Chark: __________ It’s very crowded on the bus.
①
Don’t worry.
②
Thats all right.
③
Im fine.
④
Take it easy.