题目内容
【题目】__________ H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.
A. Until B. While
C. If D. Since
【答案】B
【解析】句意:尽管H7N9是一种致命的病毒,但吃彻底煮熟的鸡仍然是安全的。前后为让步关系,用while。
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题目内容
【题目】__________ H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.
A. Until B. While
C. If D. Since
【答案】B
【解析】句意:尽管H7N9是一种致命的病毒,但吃彻底煮熟的鸡仍然是安全的。前后为让步关系,用while。