[填空(1)] 是最主要的返修工具

单项选择题下列关于极值命题中正确的是（ ）

问答题土钉墙支护质量验收的一般项目有哪些？

单项选择题图示电路中电阻R吸收的功率 P=______

问答题新经济政策时期,维护全体公民的____,是列宁在这一时期的基本方针。

问答题What are some companies in Sweden doing? What are some companies in Sweden doing? A、They are introducing the six-hour working day. B、They are trying to increase their profits. C、They are encouraging employees to work longer hours. D、They are making career plans for their employees.