【简答题】Refer to the list and read the following introductory paragraphs. Then, in the space provided, write the number of the kind of introduction used in each paragraph. Each kind of introduction is used on...
【判断题】More than 20 percent of the elderly Americans have a mental disability.
【判断题】The respondents who are concerned about corporate governance standards drop by more than 20 percent this year.
【简答题】Throughout the world 36 million people are suffering from , which is more than the whole population of Australia. At present , is the fourth leading cause of death in the whole world , and t...
【单选题】关于钠床控制画面说法不准确的是()。
A.
钠床系统主体画面显示的是钠床系统中主要设备的运、停情况,主要工艺设备即时流量,产水的水质数据。
B.
画面中自控工艺阀用红色块表示阀门在关闭状态,打开时它应该是绿色的。当出现故障时则为闪烁的红色。
C.
画面右侧显示了中间水泵和再生泵的运行状况。绿色小块时表示停止,运行时会变为红色,故障时则为闪烁的黄色。
D.
画面左下部是钠床和再生组的状态栏:当现场控制柜的“手/自动”开关不在“自动”位置时,画面中显示“手动”字样;打到“自动”位置时,画面中显示“自动”字样。