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【单选题】
水溶性生物碱分离的常用方法是A.
碘化汞钾沉淀法
B.
硅钨酸沉淀法
C.
盐沉淀法
D.
苦味酸沉淀法
E.
碘化铋钾沉淀法
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【单选题】(2019年新江省第三次联考) Said sample shall be treated as an integral part of this contract. The quality of the goods delivered shall not be lower than the sample .画线部分的“ sample"指的是
A.
reference sample
B.
standard sample
C.
duplicate sample
D.
sealed sample
【单选题】下面关于贺信的表述,正确的一项是 A. 贺信是对胜利、成绩、节日、生日等喜事表示庆贺的一种专用书信。 B. 在报刊上发表的贺信,标题一般为“贺信”。 C. 贺信一般不直接送给、寄给对方,主要在报刊上刊登或在电台上广播。 D. 贺信的内容不是统一的 , 要根据具体情况来写 , 写时应注意内容要充实丰富 , 可适当虚构 , 感情要真挚强烈,语言要准确流畅。
A.
B.
C.
D.
D
【判断题】From an ecological perspective, humans are regarded as an integral part of the ecosystem. Separating humanity from the natural environment can therefore be seen as artificial. While this is true, the ...
A.
正确
B.
错误
【简答题】Nearly all stamps have some amount of text e________ in their design. (--inserted as an integral part of a surrounding whole)
【简答题】As an integral part of alcohol culture, jiuling has a long history dating back to ________ Dynasty.
【单选题】As an integral part of the manufacturing process, packaging can make or break the success of a product. Which word can be a substitute for the underlined word?
A.
essential
B.
integrated
C.
intentional
D.
integrity
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