单词拼写。根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。

1. He looked at her with a ______ (混合) of amusement and depress.

2. ______ (明显), I'll have to think about your offer carefully.

3. Could you ______ (递送) this letter to the teachers' office?

4. Old people are more ______ (可能) to suffer back problems.

5. As they ______ (接近) the wood, a rabbit ran out of the trees.

数据库管理员通过建立（）可以达到每个教师只能存取自己讲授课程的学生成绩。

A.视图(view)

B.索引(index)

C.游标(cursor)

D.表(table)