四级过关必备十大经典范文：论说文框架
Owing to the speedy economic development, the number of people who…has considerably increased/declined. It is universally acknowledged that … plays a crucial role in modern society.
Due attention has to be paid to the issue of…. With the reform and opening－up in recent decades，people in mounting numbers have come to realize the significance of …. If we let this situation continue as it is, we do not know where humans will be in the forthcoming future.
Accordingly, it is imperative for us to take drastic measures. To begin with, we should appeal to the authorities to make strict laws to …. In addition, we should cultivate the awareness of people that … is essential to us. Only in this way can we reverse this disturbing trend illustrated above.
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