题目内容
The doctors are at a loss because so far no medicine has been found to ________ the spread of the disease.
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Darwin's thinking both drew upon and ________ the conventional ideas of his time.
In spite of all your ________ , there may be times when you encounter difficulties in the training process.
My advice to Mr. Stewart is to think carefully before entering into a career in medicine, as this is a field which requires a lot of ________ and long working hours.
5. Retailers can try to make their products variously and exploit physical and digital assets to meet customers’ changing needs.
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