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【单选题】
不等式 6-4x≥3x-8 的非负整数解为 ( )A.
2个
B.
3个
C.
4个
D.
5个
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反馈参考答案：
举一反三
【单选题】三万压缩机组润滑油压力PIA01156A，PIA01156B，PIA01156C过低，当具备下列()时，即能够联锁停车
A.
只要其中有一个点的压力低于0.07MPa
B.
只要其中有两个点同时低于0.07MPa
C.
当这三个点都同时低于0.07MPa
D.
当这三个点都同时低于1.0Mpa
【简答题】A．The violin was too heavy for her. B．She was too young to play the violin. C．The violin was too expensive. D．Her mother wanted her to play the piano
【单选题】Lily enjoys ________ very much. [ ]
A.
play the violin
B.
playing violin
C.
playing the violin
D.
to play violin
【单选题】.老年期呼吸道的退行性变化不包括
A.
胸廓活动幅度受限，通气功能下降
B.
鼻黏膜和腺体萎缩
C.
呼吸道粘膜SIgA分泌增加
D.
气管和支气管黏膜上皮和黏液腺退行性变
E.
导致肺活量降低，残气量增多
【简答题】.老年期呼吸道的退行性变化不包括A. 胸廓活动幅度受限，通气功能下降B.鼻黏膜和腺体萎缩 B. 呼吸道粘膜SIgA分泌增加 C. 气管和支气管黏膜上皮和黏液腺退行性变 D. 导致肺活量降低，残气量增多
【简答题】A．The violin was too expensive. B．She was too young to play the violin. C．The violin was too big for her. D．Her mother wanted her to play the piano.
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