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甲方案净现值为8600元，内含报酬率为10%；乙方案净现值为6800元，内含报酬率为15%.则下列说法正确的有9 ).
A.
甲方案优于乙方案
B.
乙方案优于甲方案
C.
若两个方案互斥，甲优于乙
D.
若两个方案独立，甲可行
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参考答案：
举一反三
【单选题】HDB3 码 +1 0 0 0 +v -1 0 0 0 -v +1 -1 +1 0 0 +v -1 +1, 那么其对应的原始消息代码为()。
A.
1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 1
B.
1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1
C.
1 0 0 0 1 1 0 0 0 1 1 1 0 0 0 0 1 1
D.
1 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 1
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【单选题】Dialoge 2(P35) Listen to a dialogue between the police officer and the man who reports a theft.Listen once to get the main idea.Listen again and choose the best answer to each of the following questio...
A.
At a park
B.
In a shopping center
C.
Not known
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【判断题】Listen again and check (✔) the reasons why Jason feels satisfied with his present job. 1 He has a big office.
A.
正确
B.
错误
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【判断题】HDB 3 码中最长的连 0 码为 4 个 0。
A.
正确
B.
错误
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【判断题】Listening 3 C. Listen again and circle T for true and F for false. B4U1R3.wav 1. Some of the oldest coins were made in Turkey about 3,000 years ago.
A.
正确
B.
错误
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【多选题】搜索引擎优化中一般把关键词分为哪几类?
A.
目标关键词
B.
长尾关键词
C.
相关关键词
D.
同义关键词
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【简答题】已知信息代码为 1 0 0 0 0 0 0 0 0 0 1 1，求相应的AMI码、HDB3码、PST码及双相码。
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【单选题】A. Listen to the conversation and choose the right answers to the questions. 1. What do you know about Peter? a. He is an active sportsman. b. He is a keen cyclist. c. He enjoys playing baseball. d. H...
A.
D
B.
B
C.
Because she wants to enjoy good health, she also wants to stay in shape and look good
D.
Both Peter and Laura like cycling and swimming. Laura also plays tennis regularly.
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【判断题】 HDB3 码中最长的连“0”码为3个“0”。
A.
正确
B.
错误
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【简答题】已知HDB3码为码为-1 0 1 -1 0 0 -1 1 -1 1 0 0 0 1 -1 0 1 -1，与之对应的原单，与之对应的原单极性二进制码序列为（）。
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相关题目：
【单选题】HDB3 码 +1 0 0 0 +v -1 0 0 0 -v +1 -1 +1 0 0 +v -1 +1, 那么其对应的原始消息代码为()。
A.
1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 1
B.
1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1
C.
1 0 0 0 1 1 0 0 0 1 1 1 0 0 0 0 1 1
D.
1 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 1
查看完整题目与答案
【单选题】Dialoge 2(P35) Listen to a dialogue between the police officer and the man who reports a theft.Listen once to get the main idea.Listen again and choose the best answer to each of the following questio...
A.
At a park
B.
In a shopping center
C.
Not known
查看完整题目与答案
【判断题】Listen again and check (✔) the reasons why Jason feels satisfied with his present job. 1 He has a big office.
A.
正确
B.
错误
查看完整题目与答案
【判断题】HDB 3 码中最长的连 0 码为 4 个 0。
A.
正确
B.
错误
查看完整题目与答案
【判断题】Listening 3 C. Listen again and circle T for true and F for false. B4U1R3.wav 1. Some of the oldest coins were made in Turkey about 3,000 years ago.
A.
正确
B.
错误
查看完整题目与答案
【多选题】搜索引擎优化中一般把关键词分为哪几类?
A.
目标关键词
B.
长尾关键词
C.
相关关键词
D.
同义关键词
查看完整题目与答案
【简答题】已知信息代码为 1 0 0 0 0 0 0 0 0 0 1 1，求相应的AMI码、HDB3码、PST码及双相码。
查看完整题目与答案
【单选题】A. Listen to the conversation and choose the right answers to the questions. 1. What do you know about Peter? a. He is an active sportsman. b. He is a keen cyclist. c. He enjoys playing baseball. d. H...
A.
D
B.
B
C.
Because she wants to enjoy good health, she also wants to stay in shape and look good
D.
Both Peter and Laura like cycling and swimming. Laura also plays tennis regularly.
查看完整题目与答案
【判断题】 HDB3 码中最长的连“0”码为3个“0”。
A.
正确
B.
错误
查看完整题目与答案
【简答题】已知HDB3码为码为-1 0 1 -1 0 0 -1 1 -1 1 0 0 0 1 -1 0 1 -1，与之对应的原单，与之对应的原单极性二进制码序列为（）。
查看完整题目与答案
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