2. 考研
  3. Cancer researchers Ahave done great progress in the last decade; Bhowever, scientists Cstill realize that there are many aspects

Cancer researchers Ahave done great progress in the last decade; Bhowever, scientists Cstill realize that there are many aspects

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问题 Cancer researchers Ahave done great progress in the last decade; Bhowever, scientists Cstill realize that there are many aspects Dthat need to be studied further.
选项
答案A
解析 改为have made great。make progress是固定搭配。表示“取得进步”。
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考研英语一

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