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单项选择题

磨床加工精度较高，工件净磨削后尺寸精度可达（    ）。 A.
IT1IT2 B.
IT5IT6
C.
IT10IT12
D.
IT17IT18

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单项选择题
A2 题型 某慢性肾小球肾炎患者,血压正常,全身明显水肿,医生建议应限制蛋白质的摄入,一般要求为
A、0.4~0.6g/(kg·d)
B、0.3~0.6g/(kg·d)
C、0.2~0.4g/(kg·d)
D、0.6~0.8g/(kg·d)
E、0.8~1.0g/(kg·d)
单项选择题
In the ____, democratization tide of the outside world, the Qing Dynasty still adopted the conservative politics and economic restraining practice of Ming Dynasty, cutting off the contact and communication with other countries. These backward ruling ideas and many ways of governing the country reversed the history, and dragged China, which was advancing to capital society once, back into the backward social stage.
A．Renaissance
B．Enlightenment
C．scientific
D．industrialized 2
单项选择题

A：2.27V，0.96V
B：1.135V，0.96V
C：2.27V，1.92V
（答案只写A或B或C）
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