Helen Keller was an 【小题1】 special girl. By the time she was seven years old, she still couldn’t speak, read or write and 【小题2】 to have everything done for her. This was because she couldn’t see or hear. With these 【小题3】 to her communication, Helen’s behaviour was often unbearable. She was sometimes troublesome, 【小题4】 and angry, and 【小题5】 to break things when no one understood her.

One medical text from the fourth century 【小题1】 using the extract from sweet wormwood to treat a fever. Tu’s team tested a collection of dried wormwood leaves but found no effect. They then tried 【小题2】 fresh wormwood, and using the liquid obtained from this to treat malaria, but this did not 【小题3】either. Their project got【小题4】. However, Tu Youyou would not acknowledge 【小题5】. She analysed the medical texts again, and by chance, she found one sentence suggesting a different way to treat the wormwood. She concluded that boiling the sweet wormwood 【小题6】 destroyed its medical properties. Using a lower【小题7】 to draw out the extract, she found a substance that worked. After failing more than 190 times, the team finally succeeded in 1971. Tu Youyou and her team members even insisted 【小题8】testing the medicine on themselves to make sure that it was 【小题9】. Later, the medicine was tested on malaria patients, most of whom recovered. This medicine，which was called artemisinin, soon became a 【小题10】 treatment for malaria.