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【简答题】
Not that Miss Emily would have accepted charit y. (Para.3) It would be impossible that Miss Emily would have accepted charity from the town. Why?
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【判断题】唯心主义认为世界统一于意识。
A.
正确
B.
错误
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【单选题】Which of the listed pressure control valves would be used to establish the maximum operating pressure of a hydraulic system?
A.
Pressure-reducing valve
B.
Unloading valve
C.
Counterbalance valve
D.
Pressure-relief valve
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【单选题】已知向量 a =(3，4)， b =(2，-1) ，如果向量 a +x b 与 b 垂直，则x=（　　）
A.
23 3
B.
3 23
C.
2
D.
- 2 5
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【单选题】The construction portfolio may be included as part of the ship ().
A.
general plans
B.
operating manual
C.
builders documentation
D.
CCS file
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【简答题】An yst gathers the following information ($ millions) about three companies operating in the same industry: Although the companies have different levels of sales and assets, they are all experienc...
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【单选题】In the Oil Record Book, a comprehensive list of operational items are grouped into operational sectionsEach section is codified by a/an _____.
A.
number
B.
abbreviation
C.
letter
D.
All of the above
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【单选题】阅读下文，回答题 The Chinese have used a method called acupuncture(针灸) to perform. operations for about 4,000 years without putting the patient to sleep. This involves placing flexible needles into certain pa...
A.
a medical operation
B.
a medical needle
C.
a medical technique
D.
a medical machine
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【单选题】已知向量 a =（1，1）， b =（2，x），若 a + b 与4 b -2 a 平行，则实数x的值是 [     ]
A.
-2
B.
0
C.
1
D.
2
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【单选题】已知向量 a =(3，4)， b =(2，-1)，如果向量 a +x b 与 b 垂直，则x的值为 [     ]
A.
B.
C.
2
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【单选题】已知向量 a =(2，1)， b =(x，-2)且 a + b 与2 a - b 平行，则x等于（　　）
A.
-6
B.
6
C.
-4
D.
4
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相关题目：
【判断题】唯心主义认为世界统一于意识。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the listed pressure control valves would be used to establish the maximum operating pressure of a hydraulic system?
A.
Pressure-reducing valve
B.
Unloading valve
C.
Counterbalance valve
D.
Pressure-relief valve
查看完整题目与答案
【单选题】已知向量 a =(3，4)， b =(2，-1) ，如果向量 a +x b 与 b 垂直，则x=（　　）
A.
23 3
B.
3 23
C.
2
D.
- 2 5
查看完整题目与答案
【单选题】The construction portfolio may be included as part of the ship ().
A.
general plans
B.
operating manual
C.
builders documentation
D.
CCS file
查看完整题目与答案
【简答题】An yst gathers the following information ($ millions) about three companies operating in the same industry: Although the companies have different levels of sales and assets, they are all experienc...
查看完整题目与答案
【单选题】In the Oil Record Book, a comprehensive list of operational items are grouped into operational sectionsEach section is codified by a/an _____.
A.
number
B.
abbreviation
C.
letter
D.
All of the above
查看完整题目与答案
【单选题】阅读下文，回答题 The Chinese have used a method called acupuncture(针灸) to perform. operations for about 4,000 years without putting the patient to sleep. This involves placing flexible needles into certain pa...
A.
a medical operation
B.
a medical needle
C.
a medical technique
D.
a medical machine
查看完整题目与答案
【单选题】已知向量 a =（1，1）， b =（2，x），若 a + b 与4 b -2 a 平行，则实数x的值是 [     ]
A.
-2
B.
0
C.
1
D.
2
查看完整题目与答案
【单选题】已知向量 a =(3，4)， b =(2，-1)，如果向量 a +x b 与 b 垂直，则x的值为 [     ]
A.
B.
C.
2
查看完整题目与答案
【单选题】已知向量 a =(2，1)， b =(x，-2)且 a + b 与2 a - b 平行，则x等于（　　）
A.
-6
B.
6
C.
-4
D.
4
查看完整题目与答案