mysql数据库操作，有时候成功，有时候却抛出：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 's study focuses on ____________. A)the consequences of lying in various communc' at line 1．请问是什么问题？

还有这个：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 's illegal status made them open to blankmall(讹诈)by terrorists Many immigrants ' at line 1