Ⅰ.Match the English explanation in column B with the word in column A.
（把A栏中的单词和B栏中的英文释义互相搭配。）
A B
1.programmer a.one who prepares or writes instructional programs
2.diligent b.well－known
3.famous c.not full－time
4.foreign d.located away from one’s native country
