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【单选题】
The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a _____.
A.
air bottle
B.
air compressor
C.
crank case
D.
combustion chamber
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参考答案：
举一反三
【单选题】The property of ()suggests that pragmatic implicature is produced by being co-operative and by relying on utterance contexts.
A.
non-conventionality
B.
Cancellability
C.
information presented
D.
non-detachability
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
【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】已知向量 a =(1，1)， b =(2，x)，若 a + b 与4 b -2 a 平行，则实数x的值为 [     ]
A.
-2
B.
0
C.
1
D.
2
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】中国的绿茶名品最多,不仅香高味长,品质优异,且造型独特,具有较高的艺术欣赏价值。绿茶由于杀青方法不同分();干燥方法不同分()。
A.
蒸青、烘青;炒青、晒青
B.
蒸青、炒青;烘青、晒青
C.
炒青、晒青;蒸青、烘青
D.
炒青、烘青;蒸青、晒青
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
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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
查看完整题目与答案
相关题目：
【单选题】The property of ()suggests that pragmatic implicature is produced by being co-operative and by relying on utterance contexts.
A.
non-conventionality
B.
Cancellability
C.
information presented
D.
non-detachability
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
【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】已知向量 a =(1，1)， b =(2，x)，若 a + b 与4 b -2 a 平行，则实数x的值为 [     ]
A.
-2
B.
0
C.
1
D.
2
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】中国的绿茶名品最多,不仅香高味长,品质优异,且造型独特,具有较高的艺术欣赏价值。绿茶由于杀青方法不同分();干燥方法不同分()。
A.
蒸青、烘青;炒青、晒青
B.
蒸青、炒青;烘青、晒青
C.
炒青、晒青;蒸青、烘青
D.
炒青、烘青;蒸青、晒青
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
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