英語四級作文常用句型：號召性

　　號召性—— 呼吁讀者行動起來, 采取行動或提請注意.

　　想及觀點

　　[1]. It is time that we urged an immediate end to the undesirable tendency of····是時候我們要求立即結(jié)束對····不良傾向

　　[2]. It is essential thar effective measures should be taken to correct the tendency.