判断题

辅助平面是为了定义刀具的角度而假想的平面
正确
错误

【参考答案】

正确
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跟单托收的单据中通常包括有凭以提取货物的(____) 。
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According to the last paragraph, ' the test of time is the hardest of all to pass' suggests thatA.the newer the music is, the harder it can pass the test of timeB.it is most difficult for music to gain a kind of permanent statusC.pop music will cease to be enjoyed soon after it is introducedD.good music needn't pass the test of time
A.the
B.it
C.pop
D.good
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