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【单选题】
通过以下反应可获得新型能源二甲醚 (CH 3 OCH 3 ) 。下列说法不正确的是 1 C(s) + H 2 O(g) == =CO(g) + H 2 (g) Δ H 1 = a kJ·mol - 1 2 CO(g) + H 2 O(g) == =CO 2 (g) + H 2 (g) Δ H 2 = b kJ·mol - 1 3 CO 2 (g) + 3H 2 (g) == =CH 3 OH(g) + H 2 O(g) Δ H 3 = c kJ·mol - 1 4 2CH 3 OH(g) == =CH 3 OCH 3 (g) + H 2 O(g) Δ H 4 = d kJ·mol - 1
A.
反应①、②为反应③提供原料气
B.
反应③也是 CO 2 资源化利用的方法之一
C.
反应 CH 3 OH(g) == = CH 3 OCH 3 (g) + H 2 O(l) 的 Δ H = kJ·mol - 1
D.
反应 2CO(g) + 4H 2 (g) == =CH 3 OCH 3 (g) + H 2 O(g) 的 Δ H = (2 b + 2 c + d ) kJ·mol - 1
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参考答案:
举一反三
【单选题】翻译:This company is well-established and reliable.
A.
这家公司修建地很好也很可靠
B.
这家公司有口皆碑,很可靠。
C.
这家公司建造地很豪华,也很安全。
D.
这家公司修地既漂亮又牢固。
【单选题】以张翔、乔成雪、钱福祥等国家高新技术企业创始人为代表的成功创业案例说明:在宏观因素不确定,微观形势随时变化的影响下,创业者如果想要具有全局战略眼光和创造性思维,能审时度势作出正确决策,这就要求创业者最重要的是具备( )。
A.
优秀的能力素质;
B.
强大的心理素质;
C.
健康的身体素质;
D.
广博的知识素质。
【单选题】创新创业者的()对创业的影响最重要
A.
身体素质
B.
心理素质
C.
文化素质
D.
道德素质
【单选题】听力原文:M: Now could you tell me what makes you apply for this post? W: Well, the reliable reputation of your company attracts me most. Then, I know you offer good opportunities for promotion for the rig...
A.
The woman is indifferent to the company's reputation.
B.
The woman majors in human resources.
C.
The woman is asking for a promotion.
D.
The woman is applying for a job.
【简答题】The company has earned a good re______ for being faithful and reliable.10.The company has earned a good re______ for being faithful and reliable.
【简答题】那些得出答案为1的人,使用的是旧版本的运算顺序,即先用2乘以(4),再用8除以8。
【单选题】下列二副在航海图书资料管理方面的职责,有误的是
A.
负责管理填写“航海仪器和航海图书资料清册”
B.
航次结束后,应立即擦去海图作业
C.
需作为海事证明的海图作业,应交船长妥善保管备查
D.
尽可能从船公司领取所需海图
【单选题】Our company is well-established and reliable.
A.
我方公司修建地很好,也很可靠
B.
我方公司有口皆碑,很可靠
【单选题】Perhaps the most reliable way for a company to improve its financial performance over time is to
A.
put 100% emphasis on the achievement of its short-term and long-term financial objectives.
B.
recognize that the achievement of strategic objectives fosters better long-term financial performance.
C.
not allocate any resources to the achievement of strategic objectives until it is very clear that the company can meet or beat its stretch financial performance targets.
D.
avoid use of the "balanced scorecard" philosophy since achievement of financial performance targets is obviously more important than achievement of strategic performance targets.
【单选题】I have heard from reliable ________ that the company is in trouble.
A.
sources
B.
resources
C.
origins
D.
results
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