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She concluded that boiling the sweet wormwood apparently destroyed its medical properties
In 1969， she became the head of the project in Beijing and decided to review ancient Chinese medical texts to find traditional botanical treatments for the disease.
Her team examined over 2， 000 old medical texts, and evaluated 280,000 plants for their medical properties.
They then tried boiling fresh wormwood and using the liquid obtained from this to treat malaria, but this did not work either Their project got stuck.
Using a lower temperature to draw out the extract, she found a substance that worked.
Guess the word meaning from the context, then fill in the blanks with its derived word.
The two flowers are quite distinct from one another, so it is easy to make a distinction between them.
Everybody is eager to be a successful person in his life. But not all people can always succeed. People who are lazy and want to succeed only by daydreaming can hardly succeed. A successful person must possess some good characters, such as diligence, strong will, perseverance, etc. He must keep on learning and make himself a capable person. Sometimes he should be more flexible to change with the situations. All in all, serf-confidence is the first step on the road to success. And hard work is the key element of success.
1. Upon realizing the importance of environmental protecting, our government takes effective measures to manage it.
2. As soon as I reach Canada, I will ring you up.
3. The moment I heard the news, I rushed to the spot.
4. Directly I have finished my breakfast, I will go there.
5. No sooner had he arrived home than he was asked to start on another journey.
6. Hardly had she gone out when it began to snow.
