目前许多国家反恐怖法律体系还没有完全建立,这与当前反恐怖形势很不适应。
参考答案:对
根据汉语提示完成句子。
1. You should ask him to _____ (放弃) smoking.
2. She is very friendly. She likes _____ (交朋友)with others.
3. Kangkang was _____ (生气) Michael and they had a fight.
4. My father is _____ (动身去)Japan tomorrow morning.
5.We sometimes eat fruit and vegetables _____ ( 代替) hamburgers.
一定温度下,向一容积为2L的恒容密闭容器中充入2molA与3molB,在一定条件下反应:A(g)+3B(g)⇌xC(g)+yD(g) (x、y为正整数),反应进行2min后达到平衡,已知2min内用C物质的浓度变化量表示的平均反应速率v(C)=0.3mol/(L•min),D的平衡浓度为0.3mol/L,又知反应速率v(B):v(C)=3:2,试计算:
(1)x、y的值分别是______和______
(2)平衡时反应物A的转化率______
(3)平衡常数K=______(可以用分数表示)