However, the opposite view has been forcefully propounded as well: viruses cannot be considered alive because of their inability to reproduce without a cellular host (Lopez-Garcia, 2012, Moreira and Lopez-Garcia, 2009). Each of these viewpoints certainly reflects distinct, important features of ...
The terms used in the question like detection of threats, viruses etc point towards the security issues. Security testing is a part of Functional testing. In Security Testing, we investigate threats from malicious outsiders, etc. The answer is ‘A’ #21) Which of the following is not a majo...
Viruses can rearrange their genes to make new viruses through a process called reassortment. If two different viruses exist in the same host, their genetic codes can mix through this process, creating a brand-new bug. Reassortment, Bjornstad notes, “is an inherently random process.” Because we...
nine percent of all known bacteria are considered useful to humans, or at least have no bad influence. But most viruses, on the other hand, serve no good purpose.可知:细菌对人类没有不良影响,大多数病毒并没有起到好的作用,它们唯一的目的就是制造更多的病毒,使自己继续生存下去.考查词组do harm ...
How they reproduce A virus can not copy without a living host A bacterium can reproduce 4 in almost every environment on Earth. How they influence humans Most of them do 5 humans. Most of them are considered useful to humans, or at least have no bad influence. 6 for viruses and bacteria...
The flu is believed___by viruses that like to reproduce in the cells inside the human nose and throat. A. causing B. being caused C. to be caused D. to have caused答案C 解析: 本题考查的是非谓语动词。be believed to do 为习惯性搭配。the flu 与cause 为动宾关系,...
speaker. The vibrations of the sound are translated into changes in the white strip's width. The photodetector sees and variations in light intensity and reproduces the sound (seethis pagefor details). The optical sound system is easy to add to the film and reliable over the life of the ...
[单项选择题] Using HIV Virus to Cure Cancer Scientists are planning to use human immunodeficiency (免疫缺陷) virus (HIV), one of mankind’s most feared viruses, as a carrier of genes which can fight cancer and a range of diseases that cannot be cured. The experts say HIV has an almost...
语法填空The flu is believed(cause)by viruses that like to reproduce in the cells inside the human nose and throat. 相关知识点: 试题来源: 解析 to be caused意:们 一些喜欢在 们鼻腔 部细胞中繁 的病毒引起的。 cause 与句子主语 The flu 之间是逻辑上的动宾关系,believe 后跟不定 式作补足语,因此...
sb./sth. be believed to do 为固定用法,相当于 it's believed that sb./sth. ... 意为“人们相信/认为某人或某物...”,故本题中应使用动词不定式,且题干中byviruses已经提示cause要用其被动形式,表示“由病毒引起”,全句转换为that从句为Itisbelievedthatthefluiscausedbyviruses".。故正确答案为C。来源...