根据句意及所给的汉语提示，写出空缺处单词的正确形式（每空一词）

1. I read several ______(广告) in the newspaper just now.

2. His uncle got a ______(机会) to study in the United States.

3. His   ____(技能) in speaking makes him popular with his friends.

4. Li Ming is often ______(鼓励) by his parents to learn English.

5. Five school   _____(最高记录) were broken at the school sports meeting.

绵马贯众的原植物属于

A．紫萁科
B．鳞毛蕨科
C．乌毛蕨科
D．球子蕨科
E．蚌壳蕨科