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【单选题】
有 2 个输出功率相同的电机,前者型号 3508 ,后者型号 2820 ,以下表述正确的是A.
3508 适合带动更大的螺旋桨
B.
2820 适用于更高的转速
C.
尺寸上， 3508 粗一些， 2820 高一些
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】提示高热病人退热期可能发生虚脱的表现是
A.
皮肤苍白、寒战、出汗
B.
头晕、恶心、无汗
C.
脉搏呼吸渐慢、无汗
D.
脉细速、四肢是冷、出汗
E.
脉速、面色潮红、无汗
【单选题】提示高热病人退热期可能发生虚脱的表现是
A.
皮肤苍白、寒颤、出汗
B.
脉速、面部潮红、无汗
C.
缓脉、呼吸减慢,无汗
D.
脉细速、四肢湿冷,出汗
E.
头晕、恶心、无汗
【单选题】提示高热病人退热期可能发生虚脱的表现是
A.
皮肤苍白、寒战、出汗
B.
头晕、恶心、无汗
C.
脉搏呼吸渐慢、无汗
D.
脉细速、四肢是冷、出汗
E.
脉速、面色潮红、无汗
【多选题】Listen to a short conversation, and then look at the list of the occupations below. Choose the jobs Shelly has ever done with. The conversation will be spoken twice ( ) 1-9-E-3(1-1).mp3:
A.
Secretary
B.
Doctor
C.
Nurse
D.
Teacher
E.
Writer
F.
Clerk
【简答题】Questions 8-10 Listen to the last part of the recording and choose the correct answer to the questions. 51 51.mp3: 8. _________ What did the travel advisorthink about India? a It was erous b It wa...
【多选题】Listen to a short conversation, and then look at the list of the occupations below. Choose the jobs Shelly has ever done . The conversation will be spoken twice ( ) 1-9-E-3(1-1).mp3:
A.
Secretary
B.
Doctor
C.
Nurse
D.
Teacher
E.
Writer
F.
Clerk
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