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下列关于热化学反应的描述中正确的是 [ ] A．HCl和NaOH反应的中和热ΔH＝-57.3kJ/mol，则H2SO4和Ca(OH)2反应的中和热ΔH＝2×(-57.3)kJ/mol B．CO(g)的燃烧热是283.0kJ/mol，则2CO2(g) ＝2CO(g)+O2(g)反应的ΔH＝2×283.0kJ/mol C．需要加热才能发生的反应一定是吸热反应 D．1mol甲烷...
i like my name i like north i like paper folding i like peaches i like qingdao i like simple life i like small and simp i like star i like sweet bananas i like that you worry i like the colour i like the design i like the lyrics i like the music i like the way you al i lik...
who have not forgotte who injures for who who is blinking his e who is my mother tomo who is she who is sorry now who is the man that d who is your hero who killed mr brown who knows his name who last week who maketh arcturus a who not diversity who runs this firm who shall b...
,为疑问代词”what“(什么)引导的特殊疑问句,代词”this“(这)为单数概念,问句询问的是事物的性质,应用”be“动词,则应用第三人称单数系动词”is“(是),答句中的"It“(这)指代的是"this“(这),为单数概念,系动词仍用”is,故答案为:is; is2.【答案】is;are【核心短语/词汇】short,矮矮的;tall,高大...
is explicity designed and managed for both flows. In the closed loop supply chain,the manufacturer is proactive in the processes, and the emphasis is on reducing cost and capturing value. The ultimate goal is for everthing to bo reused(nothing is wasted). Sevepal example 正在翻译,请等待......
In January 2018, the “One Family Restaurant” was officially opened on Wang San Street with 88 shareholders from 7 ethnic groups. Wang San’s grandson, Mehmet Toghuti, is one of the shareholders, who also has a Han Chinese name Wang Weihan. The shareholders agreed at the very beginning ...
Most pizza is round,___ some isn’t. You can choose any kind you want. 1.A. come B. comes C. are D. am 2.A. theater B. club C. train D. restaurant 3.A. opens B. turns on C. opened D. turned on 4.A. long B. short C. excited D. boring 5.A. name B. names C....
A key question is obviously how close to the original the film is. Since a typical film is only around two hours long, it becomes a question for screenwriters to decide what is appropriate for the screen and what to leave out. Screenwriters take creative liberty and sometimes there may be...
whose baby is it whose dress is this i whose last name means whose love whose sisters were ze whose sweater is this whose tears are flyin whodoyouthinkyouareki whos up for round two whos in love with art whsh whta i ve felt whurain the elder whvthebearhasashortta why a certain time...