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【判断题】
低压电器及其连接电缆和二次回路的绝缘电阻一般不应低于0.5MΩ。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】1 )对于电动机,当 U 小于 E 时处于发电机状态。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
【单选题】关于制动甩尾的原因,甲认为后桥悬挂弹簧弹力不一致是引起上述故障的唯一原因,乙认为两后轮制动气室之一制动管路或接头漏气是原因之一,丙认为两后轮制动间隙不一致是原因之一,看法正确的是()
A.
甲和乙
B.
丙和甲
C.
乙和丙
D.
均错
【简答题】Complete the passage with words chosen from the Words and Phrases to Drill box. Change the form where necessary. Hello. Welcome to your new car. I am your onboard _____ (1) driving system. From the mo...
【简答题】补全对话,从选项中选出恰当的句子,使对话完整。 Q : Can you sell yourself in two minutes? Go for it. A : I am a student at ABC Vocational School. ____1_____. With my qualifications and experience, I feel I am hardworking, re...
【单选题】图示为一异径管,A、B两截面积之比小于0.6,从A段流向B段,测得U形压差计的读数为R1;从B段流向A段,测得U形压差计的读数为R2,若两种情况下的水流量相同,则( )。
A.
R1>R2
B.
R1
C.
R1=R2
D.
无法确定
【简答题】Task 1 Zhao Gang, the tour leader of a tour group, meets the local guide Miss Brown at the airport in Phuket. Listen to the conversation and fill in the blanks with what you hear. Miss Brown: Excuse m...
【简答题】Hello. Welcome to your new car. I am your onboard __________ (1) driving system. From the moment you __________ (2) the car, I'll __________ (3) help you. It is my job to __________ (4) you to any ___...
【简答题】Hi Andy, I am writing to apply for the position of part-time tour guide, which is advertised on your website. I’d love this job. I’m a student in my last year of college on a Tourism and Hospitality c...
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