【单选题】【实验七】实际实验过程中,使用的抗生素是什么?
【单选题】听力原文:W: There's an article here in this magazine you might find interesting. It's about buying running shoes. M: If it were not for chemistry and the final exam were not drawing near, I could read it ...
B.
Studying for a chemistry test.
【简答题】在当前目录搜索带“energywise”行的文件 。
【简答题】She said he shouldn ’be t lifting those heavy milk boxes.英译汉