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【单选题】
电控燃油喷射系统保持压力下降较快,应检查燃油泵上的 ( ) 和燃油系统的密封性。
A.
、燃油滤清器
B.
、止回阀
C.
、喷油器
D.
、真空管
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参考答案：
举一反三
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Teaching children how to manage their money.
B.
Bargain with a car dealership.
C.
Arranging doctors’ appointments.
D.
Purchasing pets.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the recording you have just heard. Question 23
A.
Being unable to learn new things．
B.
Being rather slow to make changes．
C.
Losing temper more and more often．
D.
Losing the ability to get on with others．
查看完整题目与答案
【单选题】Question 23 is based on the passage you have heard.
A.
Blood flow and body heat increase in the affected area.
B.
Body movements in the affected area become difficult.
C.
They begin to make repairs immediately.
D.
They gradually become fragmented.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Because she planned to dedicate her life to teaching career.
B.
Because she wanted to rescue Masai girls from early marriage.
C.
Because she was bored with her quiet life in retirement.
D.
Because her husband encouraged her to do so.
查看完整题目与答案
【单选题】在某矿区内拟建设一座66/10kV变电所，两回66kV架空进线，设两台主变压器，型号S9-6300/66，采用屋内双层布置，主变压器室、10kV配电室、电容器室、维修间、备件库等均布置在一层，66kV配电室、控制室布置在二层。请回答下列问题。（供配电2007）该变电所66kV配电室内布置有11台开关柜，采用单列布置，其中有4台柜为柜后架空进出线。请说明栅状遮栏至带电部分之间最小安全净距，下列哪项数...
A.
900mm
B.
1050mm
C.
1300mm
D.
1600mm
查看完整题目与答案
【多选题】下列当 时,是无穷小的是
A.
B.
C.
D.
E.
F.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
It is more like a do-it-yourself diagnosis.
B.
It is available only for cancer.
C.
It costs thousands of U.S. dollars.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Apply for a credit card.
B.
Charge tickets to a ball game.
C.
Mail tax returns.
D.
Do charity work.
查看完整题目与答案
【单选题】下列给药途径中吸收速度最快的是( )
A.
吸入
B.
口服
C.
肌内
D.
皮下
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Exploration.
B.
Invention.
C.
Experimentation.
D.
Efficiency.
查看完整题目与答案
相关题目：
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Teaching children how to manage their money.
B.
Bargain with a car dealership.
C.
Arranging doctors’ appointments.
D.
Purchasing pets.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the recording you have just heard. Question 23
A.
Being unable to learn new things．
B.
Being rather slow to make changes．
C.
Losing temper more and more often．
D.
Losing the ability to get on with others．
查看完整题目与答案
【单选题】Question 23 is based on the passage you have heard.
A.
Blood flow and body heat increase in the affected area.
B.
Body movements in the affected area become difficult.
C.
They begin to make repairs immediately.
D.
They gradually become fragmented.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Because she planned to dedicate her life to teaching career.
B.
Because she wanted to rescue Masai girls from early marriage.
C.
Because she was bored with her quiet life in retirement.
D.
Because her husband encouraged her to do so.
查看完整题目与答案
【单选题】在某矿区内拟建设一座66/10kV变电所，两回66kV架空进线，设两台主变压器，型号S9-6300/66，采用屋内双层布置，主变压器室、10kV配电室、电容器室、维修间、备件库等均布置在一层，66kV配电室、控制室布置在二层。请回答下列问题。（供配电2007）该变电所66kV配电室内布置有11台开关柜，采用单列布置，其中有4台柜为柜后架空进出线。请说明栅状遮栏至带电部分之间最小安全净距，下列哪项数...
A.
900mm
B.
1050mm
C.
1300mm
D.
1600mm
查看完整题目与答案
【多选题】下列当 时,是无穷小的是
A.
B.
C.
D.
E.
F.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
It is more like a do-it-yourself diagnosis.
B.
It is available only for cancer.
C.
It costs thousands of U.S. dollars.
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Apply for a credit card.
B.
Charge tickets to a ball game.
C.
Mail tax returns.
D.
Do charity work.
查看完整题目与答案
【单选题】下列给药途径中吸收速度最快的是( )
A.
吸入
B.
口服
C.
肌内
D.
皮下
查看完整题目与答案
【单选题】Questions 23 to 25 are based on the passage you have just heard. Question 23
A.
Exploration.
B.
Invention.
C.
Experimentation.
D.
Efficiency.
查看完整题目与答案
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