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【单选题】
在食品加工中，降低()来制止果蔬褐变，是果蔬加工中最常用的方法。A.
盐的用量
B.
pH值
C.
水的含量
D.
储藏温度
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：A: I must go to the library, the one near the laboratory, because I have to finish my research project by tomorrow. But if I could, I prefer to go with you to the theatre. B: I wish you could com...
A.
library.
B.
theatre.
C.
research institute.
D.
laboratory.
【单选题】Using a perpetual inventory system, which of the following entries would record the cost of merchandise sold on credit?
A.
Sales Discounts Accounts Payable
B.
Cost of Goods Sold Purchases Discounts
C.
Cost of Goods Sold Inventory
D.
Inventory Cost of Goods Sold
【单选题】A business which is registered for sales tax purchases goods on credit at a cost of $500 plus sales tax at 17.5%.Which of the following correctly records the credit purchase?
A.
Debit Debit Credit Purchases Sales tax Purchases ledger control account $500.00 $87.50 $587.50
B.
Debit Credit Purchases Purchases ledger control account $587.50 $587.50
C.
Debit Debit Credit Purchases Sales tax Purchases ledger control account $412.50 $87.50 $500.00
D.
Debit Credit Credit Purchases Sales tax Purchases ledger control account $500.00 $87.50 $412.50
【简答题】在两台计算机之间传输一个文件有两种可行的确认策略, 1,把文件截成分组,接收方逐个确认分组,但就整体而言,文件没有得到确认 2,不确认单个分组,当文件全部收到后,对整个文件予以确认。 讨论这两个方法的优缺点
【单选题】Whether I complete this course and get credit for it in the fall.
A.
I have to decide whether I should complete this course and get credit for it in the fall or whether I should just drop it.
B.
Whether I complete this course and get credit for it in the fall or whether I ought to just drop it.
C.
If I complete this course and get credit for it in the fall.
【简答题】在两台计算机之间传输一个文件，(至少)有两种确认策略是可行的。第一种策略把文件截成分组，接收端分别确认分组。但就整体而言，文件没有得到确认。第二种策略不确认单个分组，但当文件全部收到后，对整个文件予以确认。 请讨论以上这两种方式的优缺点。
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