【单选题】在Pubmed中主题途径加权检索”近五年亚油酸制剂的测定”,以下检索策略正确的是( ) A. Linoleic Acid/analysis[Majr] Filters: published in the last 5 years B. Linoleic Acid[mesh] AND analysis"[Majr] Filters: published in the last 5 years C. ...
A.
Linoleic Acid/analysis[Majr] Filters: published in the last 5 years
B.
Linoleic Acid[mesh] AND analysis"[Majr] Filters: published in the last 5 years
C.
Linoleic Acid/therapy[Majr] Filters: published in the last 5 years
D.
Linoleic Acid[Majr] AND analysis[Majr] Filters: published in the last 5 years
【简答题】句型转换。 1. I have to practice playing the violin first.(改为否定句) You ____ practice playing the violin first. 2. They can come over after 8 o'clock.(改为同义句) They _____ over after 8 o'clock. 3. Perhaps they ...