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【单选题】
Aftin Co. performs services on account when Aftin collects the account receivableA.
B.
assets do not change
C.
owner’s equity decreases
D.
liabilities decrease
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【简答题】The doctor saw at the first sight that the lady (suffer) ________ from heart trouble.
【简答题】'I saw the doctor taking off his mask and laying a hand on her shoulder. 'implies that the doctor took the woman as the man's ______.
【单选题】After the patients went into the office,＿＿working.
A.
only a doctor did they see
B.
only a doctor saw they
C.
only a doctor they saw
D.
only a doctor had they seen
【单选题】关于样本量，理解不正确的是：
A.
总体方差越大，需要的样本量越小
B.
允许误差越小，需要的样本量越大
C.
可利用的资源量影响样本量的大小
D.
研究对象的同质性越强，需要的样本量越小
【简答题】通过选项设置主要可以实现哪些方面的功能?
【简答题】扩散间生产流程及返工流程是什么？操作时应注意哪些事项？
【简答题】道岔护背距离应不得()mm。
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