题目内容
2. A German chemist developed a chemical treatment for a serious disease
―.(consider)
一位德国的化学家针对曾被认为是不可治愈的疾病研制出了一种药物疗法。
2. that/which had been considered incurable考查定语从句及时态的用法。

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题目内容
2. A German chemist developed a chemical treatment for a serious disease
―.(consider)
一位德国的化学家针对曾被认为是不可治愈的疾病研制出了一种药物疗法。
2. that/which had been considered incurable考查定语从句及时态的用法。