【单选题】Is English Debating a compulsory or an optional course for English majors?
【单选题】以下哪类图片文件的背景可以实现透明效果?
【单选题】1772按照集装箱规格尺寸的分类,以下不正确的是( ).
【简答题】A.English. B.Biology. C.Introduction to English Literature. D.A required course.
【简答题】A.He moved the thread away from the needle. B.He used spears instead of needle. C.He tried to get the thread to run around the needle. D.He made a small hole in the center of the needle.