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【简答题】
1 mol/L二元酸的酸式盐NaHA溶液的pH为
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举一反三
【单选题】The invocation of beggar-thy-neighbor arguments with respect to industrial policies
A.
strengthens the argument for subsidies.
B.
makes sense if the international Keynesian multipliers exceed unity.
C.
applies only to rich countries most of whose trade partners are very poor countries.
D.
weakens the argument for subsidies.
E.
does not apply to rich countries who can influence relative world prices.
【简答题】以下程序的运行结果是【1】,其算法是【2】。 main() {int a[5]={9,6,8,3,-1},i,j,t,p; sort(a); for(i=0;i<=4;i++) printf("%3d",a[i]); } sort(int a[]) {int i,j,t,p; for(j=0;j<4;j++) {p=j; for(i=j;i<=4;i++) if(a[i] t=a[p];a[p]=...
【单选题】A policy of "beggar-thy-neighbor" is a policy that
A.
often benefits the home country in the long run.
B.
often benefits the foreign country in the long run.
C.
often benefits foreign country in the short run.
D.
does not often benefits any country in the long run.
E.
benefits the home country's neighbors in the long run.
【单选题】所谓热污染．是指现代工业生产和生活中排放的废热所造成的环境污染。热污染可以污染大气和水体。火力发电厂、核电站和钢铁厂的冷却系统排出的热水，以及石油、化工、造纸等工厂排出的生产性废水中均含有大量废热。这些废热排入地面水体之后，能使水温升高。在工业发达的美国，每天所排放的冷却用水达45亿立方米，接近全国用水量的1／3；废热水含热量约2500亿千卡，足够2．5亿立方米的水温升高10℃。 TYU对于“热污...
A.
“热污染”是一种主要污染大气和水体的环境污染
B.
越是像美国这样工业发达的国家，“热污染”越严重
C.
“热污染”的热量来源于工业生产和生活排放的废热
D.
废热对水体的污染直接表现为地面水体的水温升高
【单选题】"Beggar thy neighbor" retaliatory trade policies involved countries progressively lowering trade barriers against each other, which contributed to the Great Depression of the 1930s.
A.
True
B.
False
【简答题】热污染可分为大气热污染和( )
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