尊敬的读者:1996年第5期,我们进行了“挑差错有奖励”活动,广大读者十分踊跃,帮助我们提高了文字编辑和校对水平。这期,我刊继续举办这一活动,希望有更多的读者参与。欢迎您认真读刊,帮助我们纠正差错。在这一期(1997年5期)中挑出的差错,每处奖励10元(不另付稿酬)。奖励的范围 Dear reader: No. 5, 1996, we conducted a “pick the wrong reward” activities, the majority of readers are very enthusiastic and help us improve the level of text editing and proofreading. During this period, I continue to organize this activity, hoping to have more readers to participate. You are welcome to read the book carefully to help us to correct the mistake. In this issue (5 of 1997), the mistake that is singled out is every reward of 10 yuan (no remuneration). Reward range