开始学习第二语言的最佳时机（雅思范文段落）

Traditionally, children have begun studying foreign languages at secondary school, but introducing them earlier is recommended by some educationalists. This policy has been adopted by some educational authorities or individual schools, with both positive and negative outcomes.

The obvious argument in its favor is that young children pick up languages much more easily than teenagers. Their brains are still programmed to acquire their mother tongue, which facilitates learning another language, and unlike adolescents, they are not inhibited by self-consciousness.

The greater flexibility of the primary timetable allows for more frequent, shorter sessions and for a play-centered approach, thus maintaining learners' enthusiasm and progress. Their command of the language in later life will benefit from this early exposure, while learning other languages subsequently will be easier for them. They may also gain a better understanding of other cultures.

造句：

1.The obvious argument in favor of X is that Y.

The obvious argument in favor of marriage is that each harmonious family unit serves as the prerequisite of a harmonious society.（和谐的每个家庭是一个社会稳定和和谐的前提。）

2.The greater (great) flexibility of X allows for Y, thus Z.

The greater flexibility of car-hailing service allows for less waiting-time both for drivers and clients, more environmental benefits of car-sharing and a credit-based approach, thus stimulating drivers’ enthusiasm and customers’ participation.(网上打车服务的灵活性）