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【单选题】
用气相色谱法定量分析样品组分时,分离度至少为:A.
0.75
B.
1.0
C.
1.5
D.
2.0
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举一反三
【单选题】It was with great effort that the_______between the two families was finally arranged.
A.
restoration
B.
revelation
C.
retaliation
D.
reconciliation
【简答题】在Excel2010工作表中，单元格区域D2:E4所包含的单元格个数是___个。
【简答题】Fill in the blanks with appropriate prepositions or adverbs. 1. It was the worst drought that had ever hit the region. Even the water that was trickling _______ the river would dry________ if the drou...
【单选题】Scientists only knew that it was collocated on certain principles.
A.
drew
B.
arranged
C.
resolved
D.
calculated
【判断题】In former times, marriage among wealthy families were arranged by the girl’s parents, that is, it was the parents’ duty to find a suitable husband for their daughter.
A.
正确
B.
错误
【简答题】It was arranged that Goodnight and his stepbrother looked after the cattle and they could get paid four or five years later.
【简答题】c_____ (n.) an that might have been arranged although it was really accidental
【简答题】an that might have been arranged although it was really accidental
【简答题】A fundamental criticism of the HOS model was that it assumes that the sectors can be arranged in order of capital-intensity and that this arrangement is universal, i.e. the same in all countries.
【简答题】It was arranged that they would leave the __________ (follow) spring.
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