- But other passengers were largely safe from infection.
2019年12月四級(jí)真題（第一套）閱讀 Section A
- So, to evaluate the risks of infection, the study team flew on 10 different flights in the US.
2019年12月四級(jí)真題（第一套）閱讀 Section A
- In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.
出自-2017年6月聽力原文
- For years, many of us have relied on antibiotic use to treat various infections.
出自-2017年6月聽力原文
- And, apparently, that day has come because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.
出自-2017年6月聽力原文
- Both strains quickly invaded local hospitals when needle sharing and other unhealthy practices ensured the rapid spreading of the infection by bringing people into contact with contaminated body fluids.
出自-2013年6月聽力原文
- If we adults could indulge in a bit of silliness and giggling, we would reduce the stress hormones in our bodies, increase good hormones like endorphin, improve blood flow to our hearts and ever have a greater chance of fighting off infection.
2016年考研真題（英語二）閱讀理解 Section Ⅱ