词汇讲解：

1. provide vt.提供，供给
例句：In other words, menus provide a pedagogic vector.
换句话说，菜单是一条学习的途径。

2. rescue vt.营救，救援
例句：His fearless rescue saved five lives.
他勇敢地救了三个人的性命。

3. execute vt.执行;处死，处决
例句：We would thank you to execute the order as soon as possible.
感谢您能尽快安排所订购的货物并早日交货。

4. protest n.抗议;反对
例句：Some of them began to protest faintly.
其中也有一些人开始小声抱怨起来。

5. permit vt.许可，准许;默许
例句：He did not normally permit himself the indulgence of sentiment.
他一般不允许自己陷入感情的罗网。
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