新东方在线雅思网特为大家带来了20天掌握雅思写作经典句型(第十九天)。雅思写作历来是烤鸭们的短板科目，所以小编为大家带来了20天掌握雅思写作经典句型的相关内容，每天提供五个句型。本计划适合备考期在半年以上，想循序渐进，逐渐提供英文基础的雅思考生。希望以下内容能够对大家的雅思学习有所帮助。

　　91.A is believed to have the ability to prevent disease.

　　92.Rest is as crucial as exercise.

　　93.Proponents say cyclic fitness duplicates the physiology of how humans evolved.

　　94.conventional

　　95.They will not ,he believes, get the health benefits(such as losing weight) without putting sufficient time into their exercise.