增量备份是从前一次（）后，只要有更改的文件或新增加的文件，都会备份。
A.备份
B.完全备份
C.非完全备份
D.差异备份
参考答案：A
根据句意用所给单词的适当形式填空。
1. The famous (著名的)movie star Xie Tingfeng has a new ________(look).
2. He always wears a pair of heavy ________(glass).
3. My pen pal, Ann is of medium __________(high). And she is very beautiful.
4. Sun Yue, my favorite musician, ___________(have) long straight hair.
5. Zhang Hong likes telling ________(joke) to her friends.
You'd better choose a job _______ matches your talents and interests.[ ]
A. who
B. what
C. whom
D. that
