A:C8H18(1)+22.5O2(g)=8CO2(g)+9H2O(g)△H=-48.40kJ·mol-1
B:C8H18(1)+22.5O2(g)=8CO2(g)+9H2O(1)△H=-5518kJ·mol-1
C:C8H18(1)+22.5O2(g)=8CO2(g)+9H2O(1)△H=+5518kJ·mol-1
D:C8H18(1)+22.5O2(g)=8CO2(g)+9H2O(1)△H=-48.40kJ·mol-1
下图为“某地区地质剖面示意图”。读图完成下题。
用《离骚》中的句子补写出下面文段中的空缺部分。
世上所多者为小人,且令人防不胜防,多少人死在小人“一口一口咬死你”的嘴下。何况屈原比较出众,“①____,②____”,遭嫉妒,受攻击是难免的。打倒小人的办法只有以毒攻毒,你也去变成小人,看谁做得更狠、更毒、更下流,但这办法在屈原身上没用,“③____”也“余不忍为此态也”。不然,就设法和小人讲和,大家一团和气,问题是屈原认为自己和那些奸佞小人根本是两个物种,“④____?⑤____”没有讲和的可能。再不然,设法不和小人起利益冲突,退出庙堂隐居山野,可问题是屈原根本就放不下,“怨灵修之浩荡兮,终不察夫民心。”所以就只剩下抱怨和殉道了。
填上数,使每条线上的三个数相加都得10。
从方框中选择恰当的句子补全对话。
A. We went there by car. B. When did you come back?
C. What did you do in Beijing? D. I went to Beijing with my parents.
E. We went shopping at Wangfujing Street.
A:Where did you go last summer holiday?
B:____
A:Did you go there by train?
B:No. My father bought a new car. ____
A:Wow! That's cool. ____
B:We climbed the Great Wall. And we took many pictures.
A:What else did you do?
B:____ And we bought many nice presents for our friends.
A:____
B:On July 25th.