题目内容

The author adds that the witchcraft crisis of 1692 also arose from ______.

A. the clash between European settlers and the Indians
B. disagreements among European settlers in Salem.
C. the delusion of the sick in Salem.
D. the pretension of the sick in Salem.

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Which of the following is NOT true about Gerard Fairtlough

A. He is quite experienced in running organisations.
B. He is against the traditional way of running businesses.
C. He was quite familiar with the topic of hierarchy.
D. He began to work for large companies after his business closed down.

在内部排序中,通常要对被排序数据序列进行多趟扫描。对给定的整数序列(541,132,984, 746,518,181,946,314,205,827)进行从小到大的排序时,采用冒泡排序的第一趟扫描结果是 (45) 。

A. (541,132,827,746,518,181,946,314,205,984)
B. (205,132,314,181,518,746,946,984,541,827)
C. (541,132,984,746,827,181,946,314,205,518)
D. (132,541,746,518,181,946,314,205,827,984)

天然产物中最难水解的是( )

A. 氨基糖苷
B. 羟基糖苷
C. 糖醛酸苷
D. 去氧糖苷
E. 硫苷

利用生物碱或成盐溶解度不同或特殊功能基分离生物碱,四氯化碳可用于分离( )

A. 苦参碱和氧化苦参碱
B. 汉防己甲素和乙素
C. 莨菪碱和东莨菪碱
D. 小檗碱及其共存生物碱
E. 麻黄碱和伪麻黄碱

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