题目内容

在80C51单片机中的数据总线通过下面哪项实现。（）

A. P0口
B. P1口
C. P2口
D. P3口

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在80C51单片机中PSW寄存器的位数。()

A. 1
B. 4
C. 16
D. 8

A 1: 1.________________ , but we have a problem.A 2:What’s that?A 1:I waslooking at this month’s balance sheet. Our accounts payableshowsthat we 2._$15,000.A 2: Why is that a problem?A 1: Well, we 3. _ have $10,000 in thebank.A 2: Isee.We have to 4. _ some money to pay the difference.A 1: Isn’t it a 5. _ _ to take onmore debt?A 2: No. Our accounts receivable shows $15,000.We canuse that to 6. _____somedebt nextmonth.

Fill in the blanks with the correct words or phrases from the following words.accounts payable; fixed assets; sum ; inventory ; debt1. The company records most purchases in_ .2. Companies with too much can’t get loans.3. is getting low. Fill out a new purchase order.4. Add those figures. Then tell me what the is.5 .The company has a lot of _____ , including a new warehouse.

The man suggests taking on more debt.

A. 对
B. 错