两相溶剂萃取法的原理是利用混合物中各成分在两相溶剂中的分配系数不同。()
According to paragraph. 1, which of the following is true？
A. Bookstores are going out of fashion because of e-books and e-tailers.
B. Digital books are likely to sell better than paper ones before 2015 in USA.
C. Bookstores are facing an existential crisis because of insufficient time.
D. The future of Foyles has become the primary concern of everyone.
According to the last paragraph, Munro is adept in______.
A. drawing drafts
B. perceiving the traits of characters
C. rewriting her works
D. judging someone"s goodness
公务员控告是公务员对机关及其领导人员侵犯其合法权益的行为向上级机关或其他专门机关提出指控。()
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