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单项选择题

“什么知识最有价值,一致的答案就是科学”的提出者的主张还有（ ）。

A. 赞同传统的古典主义教育
B. 制定以科学知识为核心的课程体系
C. 真理的获得源于科学的归纳
D. 教育要遵循人的自然发展原则
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单项选择题
Choose the best paraphrase.
“Opposing these adoptees, some birth mothers argued that they were promised secrecy when they relinquished their children for adoption and that abrogating that promise constituted an invasion of privacy.”
 
A、Some birth mothers who were promised secrecy about their role felt that breaking that promise was an invasion of their privacy.
B、In order to retain their privacy, some birth mothers refused to reveal their identities when they relinquished their children for adoption.
C、Some adoptees support their birth mothers’ right to secrecy, even if it was promised to them when they gave their children for adoption.
D、Some birth mothers felt that their biological children’s pursuit of their identities should be abandoned based on the possibility that the birth mother requested privacy
多项选择题
下列哪些措施能够延长稳定期？
A、补料
B、调节温度和pH
C、排出培养物（包括菌体和代谢产物）
D、添加合适的生长限制因子
多项选择题
下列有关离散傅里叶变换（DFT）的频率范围说法正确的有：
A．连续函数被采样的间隔越小，频率范围越小。
B．DFT的频率范围取决于连续函数被取样的间隔。
C．连续函数被采样的间隔越小，频率范围越大。
D．DFT的频率范围取决于连续函数被取样的持续时间。
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