a spare

应该是主板供电芯片和电路出问题导致的故障，其他常见的原因：内存松动或者内存本身有问题，重插一下内存或者换根内存试试；主板供电芯片虚焊或者老化，屏线松动或者主板给屏幕供电电路短路；显卡、南桥、北桥BGA封装芯片虚焊或者损坏，一般虚焊的情况比较多，加焊下就好。笔记本硬件疑惑解答 ...

Lin : Hi , Xiao Mao (Are you busy tonight) ?Mao : Why ? I’m just free tonight .Lin : Very good . I am going to see a film and here aspare ticket . (Will you go with me)?Mao :I am glad to hear that .(What kind of film is that) ?Lin :It is a new film...

固定句型：sb/sth is said to do sth 某人/物据说做某事 考查主语he和leave的关系，两者明显为主动，排除CD；再根据句意，该动作(leave the stage)已经发生，所以必须使用不定式的完成形式: to have done sth. 即：sb/sth is said to have done sth 某人/物据说已经做了某事 2. C 根据句意，...

2.Mistakes and errors are ___ we learn right from wrong and they help us move forward in life.A: what B: when C: how D: which(这两题选什么，为什么，怎么翻译？）答：A 译：错误让我们明辩是非，有助于我们在生活中向前进。析：are后需要一个名词性从句。只有what能表示...

A spare作动词表示抽出时间的意思，这句话的意思是“我们到达机场时，还有五分钟的时间可以抽出来。”又比如：Can you spare me a few minutes?希望我能帮助你解疑释惑。

"in case万一。是连词，引导条件状语从句。in case后面是一个完整的句子 。Take a hat with you in case the sun is very hot.倘若太阳很利害，你就把帽子戴上。in case of如果，万一，其中of是介词，介词后面只能带名词性质的词，比如名词、代词等。如:Take a spare tyre along in case of n...