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简述代理记账的特点？

答案

参考答案：

（1）代理记账的主体是中介机构。

（2）中介机构必须依法设立的，单位不能选委托无代理记账许可证的机构和人员从事代账业务。

（3）代理记账必须接受委托才能进行。

（4）代理记账必须给付一定报酬。

判断题

可燃气监测报警器用于测量空气中各种可燃气（蒸气）在爆炸上限以下的浓度。
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单项选择题

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
The purpose of the testing phase of software development is not to (21) the absence of errors in the programs being tested, but rather to find as many errors as possible. This statement may seem to contradict one’s intuitive notion of a successful test of a piece of (22) ; however, a successful test is one in which errors have been found, net one in which no errors have been detected.
There are generally two kinds of testing method: human testing and machine testing. In most companies where systems are developed, the first testing that occurs is not machine testing, but rather the detection of errors through (23) , team efforts, referred to as walkthroughs and inspection. With these methods, the author of the program forms a group with others who represent programming expertise or who may be part of the project team.
After code has been subjected to the manual testing described above, it is then machine test- ed. Again, the test cases are designed to detect the (24) number of errors. Incremental or integration testing occurs subsequent to unit testing. This means combing modules with those that have already been unit tested. The incremental approach not only tests the (25) of each module, but also the "rippling effects" of errors, and the interfaces among modules.

A) personal B) machine C) manual D) tester
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