题目内容：
With creativity, even old-fashioned instruments may produce spectacular sound effects.参考答案：
答案解析：
单选题：With creativity, even old-fashioned instruments may produce
- 题目分类：英语六级
- 题目类型：单选题
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降低一个1gD值所需要升高的温度数为
降低一个1gD值所需要升高的温度数为
下列属于主动靶向制剂的是
下列属于主动靶向制剂的是A．脂质体 B．靶向乳剂 C．磁性微球 D．纳米球 E．免疫脂质体
听音频：{MP3:/imgcache/attached/media/20140522/20140522112620_84
听音频：{MP3:/imgcache/attached/media/20140522/20140522112620_8498.mp3}根据听到的内容回答题A．
攻下药一般具有
攻下药一般具有
Questions 23 to 25 are based on the passage you have just h
Questions 23 to 25 are based on the passage you have just heard.A．It is a trait