【简答题】A.Looking at some photographs. B.Selling cameras. C.Teaching a photography class D.Repairing camera equipment.
【简答题】列出5种使用能量分离剂(ESA)和5种使用物质分离剂(MSA)的分离操作。
【单选题】He is applying everything he learned in photography class at his new job.
【单选题】What job did he love much?
【简答题】[A] boom [B] swell [C] deteriorate [D] flourish
【单选题】What job did Twain especially love?