3. -What do you think of COVID-19?-It's the most terrible virus(病毒)that I have B heard about. A. just B. ever C. ago D. never 相关知识点: 试题来源: 解析 答案见上B 考查副词词义辨析。句意:你怎么看待新冠病 毒?--它是我曾经听说过的最可怕的病毒。ever用于现 在完成时。故选B。
答:WannaCry病毒会锁住用户的电脑,令用户无法访问电脑中的文件或程序。黑客要求用户支付赎金来解锁电脑。This type of virus is also known as ransomware.这类病毒被称为勒索病毒。電毒WannaCry and its variants like Wana-Crypt and Wanna Decryptor target computers that use Microsoft’s Windows operating system...
A virus signature is a unique pattern in the code of a virus that antivirus software uses to identify it. A hash value, on the other hand, is a fixed-size numerical or alphanumeric string that is computed from a file. If two files have the same hash value, they are identical. Anti...
The cause of your fever may not be known. This is called fever of unknown origin. It occurs when you have a fever above 100.9˚F (38.3°C) for 3 weeks or more. The following are common causes of fever:An infection caused by a virus or bacteria An inflammatory disorder, such as ...
Chances are you’ve heard how important it is to keep viruses out, but what is a computer virus exactly? A computer virus will more than likely have an adverse effect on the device it resides on and may be discoverable through common signs of performance loss, including: ...
What else can I do to prevent the spread of HIV? Take every dose of HAART medicines exactly as directed.This will prevent the virus from mutating and becoming much harder to treat. Consistent use of HAART medicines may help prevent the spread of HIV to a sex partner or an unborn baby. ...
A()26.I often fail to finish reading testA.Try to get the main ide a of the tape and dobecause there is not enough time.not stop to think when you hear the words youdon't know, You don't need to know every word()27. I have questions with my lessons. Butin the passage.I ...
Do viruses have cells? Which viruses regarded as being biologically important? Which type of T cells is most effective against viruses? What component of a virus is lacking in a cell? What organisms cause infectious disease? What is the difference in how a virus and bacteria replicate and affe...
【题目】-W e shoul d do what w e can th e sprea d of virus(病毒).-You ar e right.W e can often wash hands an d wear masks.( ) A. prevent B. to prevent C. preventing 相关知识点: 试题来源: 解析 【解析】根据句意:-我们应该尽力防止病毒的传 播。-你说得对。我们可以经常洗手...
A virus refers to a pathogenic entity capable of infecting host cells, while a virion is the complete, infective form of a virus outside a host cell, comprising RNA or DNA enclosed in a protein coat.