The Evolving Virus
Viruses are often confused with bacteria, but they are __________1.(difference) – much smaller and __________ 2.(difficult) to treat. They “live” inside of our cells though, really, viruses aren’t living or dead. Each tiny virus __________3.(hold) instructions for how and when to create new viruses. They need a host to replicate. Once they get inside one of our __________4.(cell), they hijack or mislead the system and tell the cell __________5.(start) making more viruses to dreadful conditions or even death. ______(6) virus will attach itself to the outside of a cell and inject the information into the cell. Our cells protect these viruses __________7. attack once the virus enters the cell. That’s why viruses are difficult _______ 8.(treat). The body can fight many __________9.(virus) on its own, but not always. The deadly COVID-19 strain of coronavirus has so far been ________(10)(poor) understood by the __________11.(science) community since it is still evolving into something much worse and difficult to treat.
參考答案：
1. different
2. more difficult
3. holds
4. cells
5. to start
6. The
7. from
8. to treat
9. viruses
10. poorly
11. scientific
命題重點：
The Evolving Virus
Viruses are often confused with bacteria, but they are different – much smaller and more difficult to treat. They “live” inside of our cells though, really, viruses aren’t living or dead. Each tiny virus holds instructions for how and when to create new viruses. They need a host to replicate. Once they get inside one of our cells, they hijack or mislead the system and tell the cell to start making more viruses to dreadful conditions or even death. The virus will attach itself to the outside of a cell and inject the information into the cell. Our cells protect these viruses from attack once the virus enters the cell. That’s why viruses are difficult to treat. The body can fight many viruses on its own, but not always. The deadly COVID-19 strain of coronavirus has so far been poorly understood by the scientific community since it is still evolving into something much worse and difficult to treat.
原文再現：
The Evolving Virus
Viruses are often confused with bacteria, but they are different – much smaller and more difficult to treat. They “live” inside of our cells though, really, viruses aren’t living or dead. Each tiny virus holds instructions for how and when to create new viruses. They need a host to replicate. Once they get inside one of our cells, they hijack or mislead the system and tell the cell to start making more viruses to dreadful conditions or even death. The virus will attach itself to the outside of a cell and inject the information into the cell. Our cells protect these viruses from attack once the virus enters the cell. That’s why viruses are difficult to treat. The body can fight many viruses on its own, but not always. The deadly COVID-19 strain of coronavirus has so far been poorly understood by the scientific community since it is still evolving into something much worse and difficult to treat.
參考譯文：
進化中的病毒
人們常把病毒和細菌弄混，其實二者是有區別的——病毒與細菌相比要小得多，而且更難對付。病毒可以在人體細胞內“存活”，不過，事實上它們既不是生命體也不是非生命體。每一個微小的病毒都攜帶怎樣以及何時產生新病毒的指令。它們需要宿主才能完成自身複製。一旦進入人體細胞，它們便會劫持或誤導細胞的生長機制，讓細胞製造更多病毒，致使細胞嚴重受損甚至死亡。病毒會附著在人體細胞表面，並向其注入自己的遺傳信息。一旦病毒侵入人體細胞，細胞便會保護病毒免受攻擊。為什麼病毒難以對付？原因就在於此。人體靠自身可以對抗許多種病毒，但情況並非總是如此。科學界對新型冠狀病毒認知尚淺，因為病毒仍在朝更強、更難對付的方向進化。
關鍵字: __________ 填空 but
