销售部门应当设置销售台账，及时反映各种商品、劳务等销售的开单、发货、收款情况，并由相关人员对销售合同协议执行情况进行定期跟踪审阅。销售台账应当附有客户订单、销售合同协议、客户签收回执等相关购货单据。()
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In paragraph 2, the author states that few have personal memories of the 1929 crash before
A. testify to the memory of investors
B. show that investors act the same way throughout time periods
C. stress the lasting impact of the crash
D. criticize the present attitude of investors
在教学活动过程中的问答行为中，教师提的问题不能太难，但一次可以提多个问题。()
The author cites the American Medical Associations advice in paragraph 5 in order to
A. present more factual details to clarify the issue
B. present an alternative theory for consideration
C. present a recommendation from a reputable source
D. present a solution drawn from all the evidence considered
The main point of the text is______.
A. the stock market crash of 1929 was an entirely positive event
B. the crash of the stock market was a foreseeable, and thus avoidable event
C. the stock market crash of 1929 resulted in short-term losses but long-term useful effects
D. the stock market crash of 1929 was the defining event of the twentieth century economics
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