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软件测试工作结束后应对整个测试过程和软件产品进行评估，目前常用的测试评估方法有
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Listen again and complete the conversation.Accountant 1: Don, could you look at this for me?Accountant 2: Sure, what is it?Accountant 1:Well, I checked these numbers twice, but theystill 1.__________wrong. I’m not sure why.Accountant 2: Let’s see ... Three thousand five hundred 2 ____________seven hundred is five.Accountant 1: Right. And then I 3 ____________ each entry by five.Accountant 2: Oh, I see the 4 ____________.You weren’t 5 ____________ ___________ divide thirty-five hundred by seven hundred.Accountant 1: Are you 6 ____________?Accountant 2: Yes. You need to multiply them.
Fill in the blanks with the correct words or phrases from the word bank.times; minus; and ;hundred; add; is1. Eight ________________ two is sixteen.2. Nine and three ____________________ twelve.3. Twenty ____________________ six equals fourteen.4. One thousand plus five hundred is fifteen ________ .5. To get seven, ____________________ two and five.6. Eighteen ____________________ two is twenty.
蓄能器是一种能将具有液压能的()贮存起来，并在系统需要时再将其释放出来的贮能装置。
过滤器依据滤芯材料和结构的不同，过滤器可分为( )、( )、（ )及烧结式和磁性式等多种。
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