May I send my friend _________ e-mail?[ ]
A. some
B. a
C. an
答案:C
.They lived a small island the coast of Fujian for five years.
A.on, on
B.in, off
C.at, on
D.on, off
PowerPoint之所以经常被叫成PPT,原因主要是()
A.PPT既是PowerPoint的英文缩写,同时,它的文件扩展名是ppt或pptx
B.PPT是幻灯片的英文缩写
C.PPT是英文中演示文稿的英文缩写
D.PPT是中国人的习惯简单叫法