不等径三支一套的的丝锥，切削量的分配按顺序是（）。
A．1∶2∶3
B．1∶3∶6
C．6∶3∶1
参考答案：C
开放作文。
请根据下面提示，写一篇短文。词数不少于50。
In your English class, you are asked to describe the following picture and explain to your classmates
how you understand it.
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卖出银行间市场交易债券于实际收到价款时确认债券差价收入，并按实际收到的全部价款与其成本、应收利息的差额入账。( )
