电气火灾用泡沫扑救是有效的.

[问答题]One of the questions coming into focus as we face growing scarcity of resources in the world is how to divide limited resources among countries. In the international development (1) com____, the coronal wisdom has been that the billion people living in poor countries could never expect to (2) r____ the standard of living that most of the people in North America enjoy, simply because the world does not contain enough iron ore, protein, petroleum, and so on. At the same time, we in the United States have continued to pursue super-affluence as though there were no limits (3)____ how much we could consume. We (4) m____ only 6 percent of the world’s people; yet we consume one third of the world’s resources.　　As long as the resources we consumed each year came primarily from (5) w____ our own boundaries, this was largely an internal matter. But as our resources come more and more from the outside world, we will no longer be able to think in (6)____ of “our” resources and “their” resources, but only of (7) c____ resources.　　As Americans consume such a(n) (8)____(proportion) share of the world’s resources, we have to question whether or not we can continue our pursuit of super-affluence in a world of (9)____(scarce). We are now reaching the point at which we must carefully examine the presumed link between our level of well-being and the level of material goods consumed. If you have only one crust of bread and get another crust of bread, your well-being is greatly enhanced. But if you have a loaf of bread, then an additional crust of bread doesn’t make (10) d____. In the eyes of most of the world today, Americans have their loaf of bread and are asking for still more. The prospect of a scarcity of, and competition in, the world’s resources requires that we re-examine the way in which we relate to the rest of the world.

[单选题]关于安非他酮，下列选项错误的是（）

[问答题]航空施药法的优点与缺点分别是什么？

[多选题]进食障碍包括（）。

[单选题]庆祝重阳节的活动多彩浪漫，一般包括出游赏景、、观赏菊花、遍插茱萸、吃重阳糕、饮菊花酒等活动外还有以下哪项活动？（）

[单选题]以下哪项不属于促脉所主病证（）。

[单选题]关于左侧腹股沟滑动性疝，下列不正确的是（）

[单选题]关于CELL_PCH连接状态的正确描述是（）。

[多选题]下列关于不相容职务的说法中，正确的有（）。

[单选题]为预防误机，导游员在送国内航班时，按中国民航的规定，应在航班预订起飞前（　　）分钟抵达机场。

[判断题]电气火灾用泡沫扑救是有效的.

[判断题]电气发生火灾必须使用泡沫绝缘灭火器灭火。

[判断题]发生电气火灾时，在用水和泡沫施救的过程中，应注意切断电源。 

[单选题]抗溶性泡沫能有效（）（醇、酯、醚、醛、胺等）火灾。

[单选题]抗溶性泡沫能有效（　）（醇、酯、醚、醛、胺等）火灾。

[单选题]下列选项中属于宜使用泡沫用来扑救的火灾是（）

[判断题]中倍泡沫枪适用于扑灭一般A尧B类火灾，其泡沫倍数在20-50倍的范围。

[判断题]中倍泡沫枪适用于扑灭一般A~B类火灾。泡沫倍数在20~50倍的范围。

[判断题]泡沫炮可用来扑救甲、乙、丙类液体火灾（B类火灾）和一般固体物质火灾（A类火灾）。

[判断题]泡沫灭火器主要用于消除电气火灾。