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【单选题】
对于电子节气门系统，当（）时，发动机ECU可以根据加速踏板位置传感器和进气歧管绝对压力传感器的信号判断节气门开度是否与发动机转速相对应，一旦检测到两者不对应，就降低发动机转速（称为降低模式），并使组合仪表板上的故障指示灯点亮。A.
电动机断路或短路而不运转
B.
电动机被短路而连续转动
C.
不能按驾驶人的意图控制发动机
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【简答题】I am heartily grateful to your help．
【简答题】I can't thank you much for your kindness，because without your help I can’t have succeeded in the exam．
【简答题】_____for your help．
【单选题】How did Taylor do when she wrote her own name?
A.
She did quite well with first two letters.
B.
She couldn't write even one letter.
C.
She lost interest in the game from the very beginning.
D.
She wrote her name on the author's arm.
【简答题】Become a volunteer and help those who need your help in your community ( 社区 )！ Volunteer work includes helping the poor, helping the families whose houses were destroyed by natural disasters ( 灾害 ) or...
【简答题】阅读理解。 Become a volunteer and help those who need your help in your community! Volunteer work includes helping the poor, helping the families whose houses weredestroyed by national disasters or creatin...
【单选题】患者女, 59岁。有风湿病7年,近1年反复出现劳动后呼吸困难。 2天前上楼时突然出现心前区疼痛、黑曚,患者最可能并发了
A.
二尖瓣狭窄
B.
二尖瓣关闭不全
C.
主动脉瓣狭窄
D.
充血性心力衰竭
E.
主动脉瓣关闭不全
【单选题】Thank you for your help. ______ for your help, I wouldn’t have succeeded in my experiment.A．If i
A.
39. Thank you for your help. ______ for your help, I wouldn’t have succeeded in my experiment. A．If it is not
B.
Were it not
C.
Had it not been
D.
If they were not
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