主页
学科
搜索
账户
常见问题
当前学科：电力系统调度运行考试
题目：
单选
风电场应当在全部机组并网调试运行后（）内向电网调度部门提供有关风电场运行特性的测试报告。
A . 15日
B . 30日
C . 3个月
D . 6个月
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
通过浏览研究者可以对搜集到的研究文献的内容、价值有个初步的认识和判断，并据此确定是否需要对该文献进行更深入的研读。()
引起脑梗死最常见的原因是（）
静注吗啡后，呼吸抑制最明显的时间是在注射后（）
现存最早、最完整的一部农学名著是（）。
《医疗机构从业人员行为规范》是什么时间公布执行的（）。
下列哪一项不是急性肾功能衰竭少尿期的水、电解质、酸碱平衡紊乱的临床表现（）
根据材料，完成题。 Fitness Movement The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise.Millions of individuals became engaged in a variety of aerobic activities, and51thousands of health spas developed around the country to capitalize on his52interest in fitness, particularly aerobic dancing for females. A number of fitness spas existed53to this aerobic fitness movement, even a national chain with spas in most major cities. However, their54was not on aerobics, but rather on weight-training programsdesigned to develop muscular mass, 55, and endurance in their primarily male56. These fitness spas did not seem to benefit57from the aerobic fitness movement to better health, since medical opinion suggested that weight-training programs58few, if any, health benefits. In recent years, however, weight training has again become increasingly. 59for males and for females. Many60programs focus not only on developing muscular strength and endurance but on aerobic fitness as well.61, most physical fitness tests have usually included measures of muscular strength and endurance, not for health related reasons, butprimarily62such fitness components have been related to performance in athletics.63, in recent years,evidence has shown that training programs designed primarily to improve muscular strength and endurance might also offer some health64as well. The American College of Sports Medicine now65that weight training be part of a total fitness program for healthy Americans.请在第__(51)__处填上正确答案。
下列关于分布式线型光纤感温火灾探测器的叙述中，正确的有（ ）。
进入油罐作业，油罐内的含氧量必须大于（）。
男，45岁，提重物后突然出现右臀部向下放射性触电样疼痛1d，咳嗽或屏气时加重。体检：右腰4~5棘突旁压痛，右拉赛格（Lasegue）征阳性，颏胸试验阳性，右踝反射减低。诊断可能是（）