小王负责某一模块的各项单元测试用例的设计和测试工作,其测试过程如图4所示,请将图中的模块(3)~(4)补充完整,并简述这两个模块的功能。
Part B
For this part, you are allowed 30 minutes to write a composition no less than 120 words on the title of The Average Family Income and Expenses in the U. S. Study the following table carefully and your composition should be based on the information given in the table. Write your composition to:
(1) state the general information
(2) compare the information in 2002 and in 2003
(3) draw a conclusion 2002 2003
Part A
Jane is busy with typing, but her working efficiency is very low. She is eager for help from her friend Catherine. Please on behalf of her, finish this letter of seeking help.
广东A出口公司与英国一商人按每公吨400美元CIF利物浦成交某农产品300公吨,合同规定:每袋包装50公斤,新麻袋包装,信用证付款方式。该公司凭证装运出口并办妥了结汇手续。事后对方来电称:该公司所交货物扣除皮重后实际到货不足300公吨,要求按净重计算价格,退回因短量多收的货款。广东A出口则以合同未规定按净重计价为由拒绝退款。试问:广东A出口的做法是否可行?为什么?