Deadly outbreaks have plagued societies for centuries. But they can lead to medical breakthroughs—if we learn the right lessons from them.
It's really hard to imagine the world 26 penicillin(青霉素) and the microwave(微波炉). Penicillin has saved millions of lives. And the microwave has certainly changed the way we cook. Life is sometimes like that. When we look for one thing, something even better comes along 27 we keep ...
But some kinds of mold can be used to make food. For example, penicillin(青霉菌) can be used to make many types of cheeses,and they're quite delicious as well.根据材料内容选择最佳答案。( D )31.83新考向开篇方式} How does the writer lead into the topic? A. By telling a story. B....
Biologically Covid still exists in the world and most of us would rather not catch it. But if you’re vaccinated, the risk of getting seriously ill is much lower, so it’s reasonable to make plans to resume normal life. When enough people do...
Wealth can be created without being sold. Scientists, till recently at least, effectively donated the wealth they created. We are all richer for knowing about penicillin, because we're less likely to die from infections. Wealth is whatever people want, and not dying is certainly something we ...
in the long run a lot better. So for instance maybe you start by reading a textbook using your favourite highlighter and favourite colours, but then you go back and make flashcards of all the critical concepts and instead of just re...
5. It might be used to treat illnesses caused by bacteria. 6. First, he was unable to find a procedure to make penicillin pure enough to work as a medicine. Second, it was difficult to produce penicillin in the ample quantities needed to be effective. 反馈 收藏 ...
Furthermore, we often make mistakes because we try new things—we wander away from accepted paths.Teflon, penicillin—these are examples of great discoveries made by mistake.Take a page from Albert Einstein, who said, “Anyone who has never made a mistake has never tried anything new.”反馈...
At the same time, however, the political and the cultural are shown to be so intertwined that "foreigners" must end up sacrificing at least some of ... C Mills,C Mills - 《Childrens Literature》 被引量: 2发表: 2004年 THE LOCAL USE OF SULPHONAMIDES AND PENICILLIN We must make up our...
–Determine if the facility stores and distributes penicillin or other sensitizing agents and if adequate procedures are in place to contain spills and decontaminate the area. –Determine if the facility stores in-process materials, raw materials, or excipients that are returned to the manufacturer ...