of cardboard!The US is still facing the coronavirus. This affects sports games. To stop the virus, only... facing the coronavirus. This affects sports games. To stop the virus, only a small number ……

ANYONE who has ever had to write greeting cards for Christmas and New Year knows that it is not easy, and could even be painful and tortuous.But this year, you can stop the head-scratching and pen ……

a program contains a virus. Since the computer itself can't effectively fight against viruses, we should...A NEW computer virus is using interest in the Beijing Olympic Games to deliver malware ……

cheer."Nowadays, you can make fun of Christmas", said US film historian David Thomson, who has just...WHATEVER happened to tidings of comfort and joy?Once upon a time, Christmas films were a heart ……

that masks with breathing valves (呼吸   阀) cannot block the virus?Air can only flow outward... the virus?Air can only flow outward, not inward, through the breathing valve, so these masks ……

body is killing the virus. You also have a runny nose to stop the virus from getting into your cells...MMany people catch colds in the springtime or fall. It makes us wonder: If scientists can send ……

的But scientists say that the virus can change itself rapidly. Also, if the virus mixes with the human flu virus... migration ______.2. H5N1 virus can ______ itself rapidly and it may ____ with the human flu virus ……

in the throat as it identifies the foreign virus. However, a single virus cell can replicate (复制... first in the throat as it identifies the foreign virus. However, a single virus cell can replicate ……

to house to spread Christmas cheer in songs.Adults must tend to things like buying gifts and sending...YOU know who Santa Claus is and are familiar with Christmas trees. But have you ever thought about ……

? Very little, really – aside from the fact that they have all released a Christmas album in the past year.They are but a handful of the dozens of artists who are cashing in on Christmas cheer ……

moment. But each and every single citizen can help journalists with smartphones and social media... share news of the virus’ impact with a humorous touch on social media. Medical workers at cabin ……

moment. But each and every single citizen can help journalists with smartphones and social media... share news of the virus’ impact with a humorous touch on social media. Medical workers at cabin ……

, but the heat of your body is killing the virus. You also have a runny nose (流鼻涕) to stop the virus... for the common cold? 3. What does your body do when a virus attacks your body? 4. Why can’t people ……

their symptoms are similar, SARS is caused by a different kind of virus. If one person has SARS, we can stop...This flying virus can be quite easy to beatThe bird flu virus is pretty strong. At cool ……

on the earth every year. And he hopes families can be together to celebrate Christmas."Children..., Christmas began to take on its associations (联系) with gift-giving and good cheer.Today's concept ……