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【单选题】
装有电子燃油喷射系统的发动机在怠速不稳,甲说氧传感器损坏可引起此现象;可能是怠速空气控制系统有故障。试问谁正确( )
A.
甲正确
B.
已正确
C.
两人都正确
D.
两人都不正确
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举一反三
【单选题】培训效果评估的内容不包括（）
A.
新知识新技能掌握的程度
B.
企业运营成本降低的程度
C.
企业经营绩效改进的程度
D.
受训人员工作改进的程度
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【单选题】It took Jenny a long time to make the sweaters.
A.
Right
B.
Wrong
C.
Doesn't say
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【判断题】薯蓣科( Dioscoreaceae )薯蓣属的穿龙薯蓣( Dioscorea nipponica )主要有效成分是麻黄碱。
A.
正确
B.
错误
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【判断题】薯蓣科(Dioscoreaceae)薯蓣属的穿龙薯蓣(Dioscorea nipponica)主要有效成分是人参皂苷。( )
A.
正确
B.
错误
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【单选题】Jenny doesn’t agree with her father, but she ________ that to his face.
A.
dare not to say
B.
doesn’t dare to say
C.
dares not say
D.
dare not saying
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【单选题】培训效果评估的内容不包括( )
A.
新知识技能的掌握的程度
B.
企业运营成本的降低程度
C.
企业经营绩效改进的程度
D.
受训人员工作改进的程度
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【单选题】( ) —Jenny doesn’t think that Robert is honest, ____?
A.
’m afraid not.
B.
is he
C.
isn’t he
D.
does she
E.
doesn’t she
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【单选题】Bob and Jenny  _____ know their teacher's name. [     ]
A.
doesn't
B.
does
C.
don't
D.
aren't
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【单选题】Why does Johnny look unhappy?
A.
He doesn't like Jenny.
B.
He doesn't know what is body language.
C.
The customers prefer Jenny to him.
D.
The customers often go to him instead of Jenny.
查看完整题目与答案
【单选题】Jenny has lunch at school every day, _____? [     ]
A.
didn't it
B.
hasn't she
C.
doesn't she
D.
haven't he
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【单选题】培训效果评估的内容不包括（）
A.
新知识新技能掌握的程度
B.
企业运营成本降低的程度
C.
企业经营绩效改进的程度
D.
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【单选题】It took Jenny a long time to make the sweaters.
A.
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B.
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查看完整题目与答案
【判断题】薯蓣科( Dioscoreaceae )薯蓣属的穿龙薯蓣( Dioscorea nipponica )主要有效成分是麻黄碱。
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【判断题】薯蓣科(Dioscoreaceae)薯蓣属的穿龙薯蓣(Dioscorea nipponica)主要有效成分是人参皂苷。( )
A.
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【单选题】Jenny doesn’t agree with her father, but she ________ that to his face.
A.
dare not to say
B.
doesn’t dare to say
C.
dares not say
D.
dare not saying
查看完整题目与答案
【单选题】培训效果评估的内容不包括( )
A.
新知识技能的掌握的程度
B.
企业运营成本的降低程度
C.
企业经营绩效改进的程度
D.
受训人员工作改进的程度
查看完整题目与答案
【单选题】( ) —Jenny doesn’t think that Robert is honest, ____?
A.
’m afraid not.
B.
is he
C.
isn’t he
D.
does she
E.
doesn’t she
查看完整题目与答案
【单选题】Bob and Jenny  _____ know their teacher's name. [     ]
A.
doesn't
B.
does
C.
don't
D.
aren't
查看完整题目与答案
【单选题】Why does Johnny look unhappy?
A.
He doesn't like Jenny.
B.
He doesn't know what is body language.
C.
The customers prefer Jenny to him.
D.
The customers often go to him instead of Jenny.
查看完整题目与答案
【单选题】Jenny has lunch at school every day, _____? [     ]
A.
didn't it
B.
hasn't she
C.
doesn't she
D.
haven't he
查看完整题目与答案