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【单选题】
下列关于计算机病毒的四条叙述中，有错误的一条是 ( )A.
计算机病毒是人为制造的一种程序
B.
计算机病毒是一个标记或一个命令
C.
计算机病毒是一种通过磁盘、网络等媒介传播，扩散，并能传染其它程序的程序
D.
计算机病毒是能够实现自身复制，并借助一定的媒体存在的具有潜伏性，传染性和破坏性的程序
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举一反三
【单选题】Along with magnetic field, how many lines can be observed in Zeeman effect?
A.
Three
B.
Two
C.
One
D.
None
【单选题】Which of the following lines can be seen as a reference to the War?
A.
How many roads must a man walk down before you call him a man?
B.
how many times must the cannonballs fly before they’re forever banned?
C.
How many years can a mountain exist before it’s washed to sea?
D.
How many times must a man look up before he can see the sky?
【单选题】Which of the following lines gives strong mention to the Vietnam War and ?
A.
How many roads must a man walk down before you call him a man?
B.
How many deaths will it take ‘till he knows that too many people have died
C.
How many times must a man look up before he can see the sky?
D.
How many years can some people exist before they’re allowed to be free?
【单选题】一、阅读理解 Although buses tend to be slower than the subway for traveling around New York City, there are many reasons to use the bus while visiting New York City: They tend to service areas of Manhattan ...
A.
faster
B.
slower
C.
more expensive
D.
more convenient
【简答题】什么是符号意识?请举出2个小学数学中的例子,并进行说明。
【单选题】关于过滤除菌的叙述，不正确的是( )。
A.
是一种物理的消毒方法
B.
不能除去病毒
C.
可去除细菌、支原体等
D.
一般不能除去细菌的L型
E.
主要用于不耐高温灭菌的血清、药液和空气等的除菌
【单选题】下列有关高温灭菌的叙述，最不合理的是：
A.
外科用的手术器械应该通过高压蒸汽灭菌法进行处理；
B.
带有病原微生物的尸体应该通过焚烧灭菌法进行处理；
C.
活性乳饮料和含酒精饮料应通过干热灭菌法进行处理 ；
D.
家庭厨房中的碗筷等用品应通过煮沸消毒法进行处理 。
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