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【单选题】
正常人视盘C/D比值两眼相差( )A.
<0.2< /div>
B.
<0.3< /div>
C.
<0.4< /div>
D.
<0.5< /div>
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【单选题】The figure given below shows the market for moped imports in the country . D M and S X are the domestic demand for imports and export supply curves respectively. 0 Price $750 $715 $800 D M = D d - S d...
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【单选题】Figure Problem shows a standing wave on a 2.0 m long string that has been fixed at both ends and tightened until the wave speed is 40 m/s . The frequency is _____________ .【图片】
A.
40Hz
B.
80 Hz
C.
160 Hz
D.
20 Hz
【简答题】选词填空,只填题号即可。 A. abnormal B. applied C. briefly D. categorizing E. challenges F. figure G. percentage H. proving I. regardless J. searched K. similarities L. slightly M. suggests N. tas...
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