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【简答题】
69～70 第 69 题 区别三萜皂苷和甾体皂苷
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举一反三
【简答题】This passage is extracted from ( ).
【单选题】下列关于适应的描述,正确的是( )
A.
适应是一个被动地服从或接受压力源的动态过程
B.
人类的适应能力是无限的
C.
适应能力有个体差异,因人而异
D.
适应是人类所特有的、区别于动物的特征
【单选题】The geneticists extracted tissue from several different locations in each mummy because______.
A.
there was no chance the specimen would be contaminated
B.
different research purposes would be fulfilled
C.
the tissues would be studied by different scientific groups
D.
some of the tissues would be contamination during the process of research
【单选题】SHOWERY WIND MAINLY LIGHT NORTH WESTERLY SEA SLIGHT.This phrase is likely extracted from ().
A.
forecast
B.
synopsis
C.
general Situation
D.
warnings
【简答题】请举例解释“任意两点之间的电压与路径无关”
【单选题】The actual______by which coal is extracted is well worth seeing.
A.
conduct
B.
process
C.
procedure
D.
course
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