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【多选题】
下列各项中,备选方案不涉及相关收入的方法有( )。
A.
差量损益分析法
B.
贡献分析法
C.
相关成本分析法
D.
成本无差别点法
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参考解析：
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【简答题】From Washington, this is news. I'm Dave DeForest reporting. U.S. President Barack Obama meets with Cuba‘s president: Mr. Obama and Cuban President Raul Castro held a __1__ news conference after “f...
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【单选题】在下列反应中，钠元素被氧化的是 [     ] ①NaH+H 2 O=NaOH+H 2 ↑ ②2Na+O 2 Na 2 O 2 ③2NaCl 2Na+Cl 2 ↑ ④2Na 2 O+O 2 2Na 2 O 2 ⑤NaNO 2 +6Na=4Na 2 O+N 2 ↑ ⑥2Na+Na 2 O 2 =2Na 2 O
A.
①②③
B.
②③⑤
C.
③④⑤
D.
②⑤⑥
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【单选题】下列氧化还原反应中，1molH 2 O得到1mol电子的是
A.
Cl 2 +H 2 O='HCl+HClO'
B.
2Na 2 O 2 +2H 2 O=4NaOH+O 2 ↑
C.
2Na+2H 2 O=2NaOH+H 2 ↑
D.
3NO 2 +H 2 O=2HNO 3 +NO
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【简答题】分析下列反应，指出氧化剂和氧化产物。 （1）2Na 2 O 2 +2SO 2 ══2Na 2 SO 3 +O 2 __________________________________。 Na 2 O 2 +SO 2 ══Na 2 SO 4 __________________________________________。 （2）6Na+2FeCl 3 +6H 2 O══2Fe（OH） 3 ↓+...
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【单选题】用U型压差计测量某储罐内的压力,U型压差计的一端与储罐连接,另一端与大气相通。U型压差计的指示剂为水银,密度为13600kg/m3,读数为650mm,则该储气罐的表压约为 。
A.
199kPa
B.
14kPa
C.
101kPa
D.
87kPa
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【简答题】U.S. President Barack Obama1)___________________ today to promote2) _____________________he unveiled in his State of the Union address Tuesday night. The president, who faces a contentious re-election...
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【简答题】根据短文内容判断下列句子的正(T)、误(F)． This is Barack Obama．He is the president(总统)of the United States．His wife(妻子)is Michecle Obama．They have two daughters．Malia Obama is eleven years old．Sasha Obama is eight year...
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【单选题】Which U.S. president expanded the Everglades National Park?
A.
Donald Trump
B.
Barack Hussein Obama
C.
George H.W. Bush
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【单选题】Unit 3-10 Rather than heed President Barack Obama's appeal for gragmatism, the Congess is losing its value as a problem-solver and becoming more unworkable.
A.
obey
B.
catch
C.
hear
D.
observe
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【判断题】President Barack Obama requested that Maya Angelou compose a poem “On the Pulse of the Morning” to read at his inauguration.
A.
正确
B.
错误
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相关题目：
【简答题】From Washington, this is news. I'm Dave DeForest reporting. U.S. President Barack Obama meets with Cuba‘s president: Mr. Obama and Cuban President Raul Castro held a __1__ news conference after “f...
查看完整题目与答案
【单选题】在下列反应中，钠元素被氧化的是 [     ] ①NaH+H 2 O=NaOH+H 2 ↑ ②2Na+O 2 Na 2 O 2 ③2NaCl 2Na+Cl 2 ↑ ④2Na 2 O+O 2 2Na 2 O 2 ⑤NaNO 2 +6Na=4Na 2 O+N 2 ↑ ⑥2Na+Na 2 O 2 =2Na 2 O
A.
①②③
B.
②③⑤
C.
③④⑤
D.
②⑤⑥
查看完整题目与答案
【单选题】下列氧化还原反应中，1molH 2 O得到1mol电子的是
A.
Cl 2 +H 2 O='HCl+HClO'
B.
2Na 2 O 2 +2H 2 O=4NaOH+O 2 ↑
C.
2Na+2H 2 O=2NaOH+H 2 ↑
D.
3NO 2 +H 2 O=2HNO 3 +NO
查看完整题目与答案
【简答题】分析下列反应，指出氧化剂和氧化产物。 （1）2Na 2 O 2 +2SO 2 ══2Na 2 SO 3 +O 2 __________________________________。 Na 2 O 2 +SO 2 ══Na 2 SO 4 __________________________________________。 （2）6Na+2FeCl 3 +6H 2 O══2Fe（OH） 3 ↓+...
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【单选题】用U型压差计测量某储罐内的压力,U型压差计的一端与储罐连接,另一端与大气相通。U型压差计的指示剂为水银,密度为13600kg/m3,读数为650mm,则该储气罐的表压约为 。
A.
199kPa
B.
14kPa
C.
101kPa
D.
87kPa
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【简答题】U.S. President Barack Obama1)___________________ today to promote2) _____________________he unveiled in his State of the Union address Tuesday night. The president, who faces a contentious re-election...
查看完整题目与答案
【简答题】根据短文内容判断下列句子的正(T)、误(F)． This is Barack Obama．He is the president(总统)of the United States．His wife(妻子)is Michecle Obama．They have two daughters．Malia Obama is eleven years old．Sasha Obama is eight year...
查看完整题目与答案
【单选题】Which U.S. president expanded the Everglades National Park?
A.
Donald Trump
B.
Barack Hussein Obama
C.
George H.W. Bush
查看完整题目与答案
【单选题】Unit 3-10 Rather than heed President Barack Obama's appeal for gragmatism, the Congess is losing its value as a problem-solver and becoming more unworkable.
A.
obey
B.
catch
C.
hear
D.
observe
查看完整题目与答案
【判断题】President Barack Obama requested that Maya Angelou compose a poem “On the Pulse of the Morning” to read at his inauguration.
A.
正确
B.
错误
查看完整题目与答案