分听任务
动态获利性分析（dynamic Profitability Analysis）
Which statement is true？（） If only one thread is blocked in the wait method of an object， and another thread executes the modify on that same object， then the first thread immediately resumes execution.。 If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， it is still possible that the first thread might never resume execution.。 If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， then the first thread definitely resumes execution as a direct and sole consequence of the notify call.。 If two threads are blocked in the wait method of one object， and another thread executes the notify method on the same object， then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.。
利用微生物脱硫过程中，微生物将硫酸盐还原成（）。
运算符的作用是（）。 用于指定对操作数或单元格引用数据执行何种运算。 对数据进行分类。 将数据的运算结果赋值。 在公式中必须出现的符号，以便操作。
电阻为100~~的电热器在100V的工作电压下工作lh产生的热量应是（）
