一定条件下，在体积为1L的密闭容器中加入1 mol N₂和3 mol H₂充分反应，放出热量Q₁kJ ，下列说法正确的是（   ）

阅读《口技》选段，完成下列小题。

       未几，夫齁声起，妇拍儿亦渐拍渐止。微闻有鼠作作索索，盆器倾倒，妇梦中咳嗽。①宾客意少舒，稍稍正坐。

       忽一人大呼“火起”，天起大呼，妇亦起大呼。两儿齐哭。俄而百千人大呼，百千儿哭，百千犬吠。②中间力拉崩倒之声，火爆声，呼呼风声百千齐作；又夹百千求救声，曳屋许许声，抢夺声，泼水声。凡所应有，无所不有。虽人有百手，手有百指，不能指其一端；人有百口，口有百舌，不能名其一处也。于是宾客无不变色离席，奋袖出臂，两股战战，几欲先走。

       忽然抚尺一下，群响毕绝。撤屏视之，一人、一桌、一椅、一扇、一抚尺而已。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

    Halloween is on first day of November, and it was very popular in some western countries. On that day, people, especial kids, dress in horrible styles. We knock from door to door. Where people don't give them to sweets, the kids will play tricks on them. In China, more and more young people like to follow this trend. They'd like to join on some activities on that day. They wear strangely clothes and find some funs. When the night comes, they always have a party, sing and dancing together.