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【单选题】
一定条件下在2L的密闭容器中充入2 mol SO 2 和2mol O 2 ，发生反应2SO 2 (g)+O 2 (g) 2SO 3 (g)，进行到4min时，测得n(SO 2 )=1.2 mol。下列说法正确的是 [     ]
A.
反应进行到2 min时，容器中n(SO 3 )可能为0.5 mol
B.
当v(SO 2 )：v(O 2 )：v(SO 3 )=2：1：2时该反应达平衡状态
C.
温度升高时正反应速率升高，逆反应速率降低
D.
4 min内氧气的平均反应速率为0.5mol·L -1 ·min -1
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【判断题】裸子植物种子的胚由合子发育而来,胚乳由初生胚乳核发育而来,种皮由珠被发育而来。
A.
正确
B.
错误
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【单选题】The L / C stipulates: "documents to be presented within 14 days after the date of B / L, but in any event within the credit validity.",It is assumed that the latest shipment date is September 10 , the...
A.
September 10
B.
September 15
C.
September 20
D.
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【判断题】被子植物种子的胚由合子发育而来,胚乳由初生胚乳核发育而来,种皮由珠被发育而来。
A.
正确
B.
错误
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【简答题】阅读理解。 Where to go this holiday season September 27 was World Travel Day.  Every year, people celebrate the fun of travelling. Most kids don't have time to go out on that day.  But they still like to t...
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【简答题】On the afternoon of September27, 2008, Astronaut Zhai Zhigang became the first Chinese man to walk in space on Saturday, clambering（爬上,攀登） out of China's Shenzhou VII space craft in a technological fe...
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【简答题】某公司拟购置一台设备,目前有 A 、 B 两种型号可供选择, A 设备的价格比 B 设备高 50 000 元,但每年可节约维修保养费用 10 000 元。假定 A 、 B 设备的经济寿命均为 6 年,利率为 10 %,该公司在 A 、 B 两种设备只能选择其一的情况下,应选择哪一种设备 ? (P/A,10%,6)
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【单选题】 By 27 September 20X7 internal evidence had emerged suggesting that Dearing's machine was impaired. Which one of the following would be internal evidence of impairment?
A.
The economic performance of the machine had declined
B.
There were legal and regulatory changes affecting the operating of the machine
C.
There was an unexpected fall in the market value of the machine
D.
New technological innovations were producing better machines
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【单选题】Gross profit for 20X7 can be calculated from:
A.
Purchases for 20X7, plus inventory at 31 December 20X7, less inventory at 1 January 20X7
B.
Purchases for 20X7, less inventory at 31 December 20X7, plus inventory at 1 January 20X7
C.
Cost of goods sold during 20X7, plus sales during 20X7
D.
Profit for the year for 20X7, plus expenses for 20X7
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【多选题】我国现行企业所得税的税率有（）。
A.
33%
B.
27%
C.
18%
D.
0
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相关题目：
【判断题】裸子植物种子的胚由合子发育而来,胚乳由初生胚乳核发育而来,种皮由珠被发育而来。
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B.
错误
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【简答题】某公司拟购置一台设备。目前有A、B两种型号可供选择,A设备的价格比B设备高50,000元,但每年可节约维修保养费10,000元。假定A设备的经济寿命为6年,利率为10%,该公司在A、B两种设备只能选择其一的情况下,应该选择哪一种设备?
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【单选题】The L / C stipulates: "documents to be presented within 14 days after the date of B / L, but in any event within the credit validity.",It is assumed that the latest shipment date is September 10 , the...
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September 15
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【判断题】被子植物种子的胚由合子发育而来,胚乳由初生胚乳核发育而来,种皮由珠被发育而来。
A.
正确
B.
错误
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【简答题】阅读理解。 Where to go this holiday season September 27 was World Travel Day.  Every year, people celebrate the fun of travelling. Most kids don't have time to go out on that day.  But they still like to t...
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【简答题】On the afternoon of September27, 2008, Astronaut Zhai Zhigang became the first Chinese man to walk in space on Saturday, clambering（爬上,攀登） out of China's Shenzhou VII space craft in a technological fe...
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【简答题】某公司拟购置一台设备,目前有 A 、 B 两种型号可供选择, A 设备的价格比 B 设备高 50 000 元,但每年可节约维修保养费用 10 000 元。假定 A 、 B 设备的经济寿命均为 6 年,利率为 10 %,该公司在 A 、 B 两种设备只能选择其一的情况下,应选择哪一种设备 ? (P/A,10%,6)
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【单选题】 By 27 September 20X7 internal evidence had emerged suggesting that Dearing's machine was impaired. Which one of the following would be internal evidence of impairment?
A.
The economic performance of the machine had declined
B.
There were legal and regulatory changes affecting the operating of the machine
C.
There was an unexpected fall in the market value of the machine
D.
New technological innovations were producing better machines
查看完整题目与答案
【单选题】Gross profit for 20X7 can be calculated from:
A.
Purchases for 20X7, plus inventory at 31 December 20X7, less inventory at 1 January 20X7
B.
Purchases for 20X7, less inventory at 31 December 20X7, plus inventory at 1 January 20X7
C.
Cost of goods sold during 20X7, plus sales during 20X7
D.
Profit for the year for 20X7, plus expenses for 20X7
查看完整题目与答案
【多选题】我国现行企业所得税的税率有（）。
A.
33%
B.
27%
C.
18%
D.
0
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