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【简答题】
焊接过程中注意防止焊料 ,PCB板上出现残留锡珠。
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举一反三
【多选题】Here are some words from Reading 1. Read the sentences. Then match each bold word with its definition below. 1. I thought I saw a stranger standing in front of my apartment building, but then I real...
A.
(phr. v.) to have something as a result
B.
(n.) the feeling that you are sure about your own beliefs or abilities
C.
(v.) to make someone admire and respect you
D.
(adj.) producing the result that is wanted or intended
E.
(v.) to choose someone or something from similar people or things
F.
(n.) a person you do not know
G.
(v.) to enjoy or to understand the value of something or something
H.
(adj.) unpleasant or insulting
I.
(v.) to show or explain how to do something
J.
(v.) to continue to have something; to keep something at the same level
【单选题】在一个单独的计算机上或者一个孤立的网络环境中,以下那个措施对于防止病毒以及防止程序被盗窃是不起作用的( )。
A.
可以提醒雇员制作一些受保护可执行程序的非授权拷贝并存储在系统硬盘上;
B.
禁止任何人将可执行程序从一张软盘上复制到另一张软盘上
C.
对任何企图将可执行程序复制到硬盘上的行为提出警告
D.
禁止任何人在外来的软盘上执行程序
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