A:在5min内该反应用C的浓度变化表示的反应速率为0.02mol•L﹣1•min﹣1
B:在5min时,容器内D的浓度为0.2mol•L﹣1
C:该反应随着反应的进行,容器内压强逐渐增大
D:5min时容器内气体总的物质的量为3mol
①拒绝利用网络进行交往,因为网络交往都是虚假的
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根据汉语提示,完成句子。每空一词。(1)I prefer to receive a gift that has some ____ (心思) behind it.(2)The old lady____ (在…旁边) my mother is my grandmother.(3)Henry is____ (想知道) how his mother made so many dishes in such a short time.(4)People in Colombia are pretty____ (放松的) about time.(5)The dress was ____ (专门地) designed by the famous fashion designer.(6)Now he gets up early in the morning and never ____ (猛冲) to school.
求:①航天员在地球上的重力是多少牛?
②月球对他的引力约是多少牛?
叶绿体和线粒体的能量转换过程正好相反。