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问题 判断题

亚甲基蓝分光光度法测定环境空气或废气中硫化氢时，采样后，现场显色。加显色剂时操作要缓慢，防止在酸性条件下，硫化氢溢出，造成测定误差。

答案

参考答案：错

解析：加显色剂时操作应迅速。

单项选择题

The analysis phase answers the questions of who will use the system，what the system will do，and where and when it will be used．During this phase，the project team investigates any current system，identifies （），and develops a concept for the new system．This phase has three steps：first，（）is developed to guide the project team’s efforts．It usually includes an analysis of the current system and its problems，and the ways to design a new system．The next step is （）．The analysis of this information-in conjunction with input from the project sponsor and many other people-leads to the development of a concept for a new system．The system concept is then used as a basis to develop a set of business analysis models that describes how the business will operate if the new system were developed．The set of models typically includes models that represent the （） necessary to suppor the underlying business process．Last，the analyses，system concepts，and models are combinedin to a document called the （），which is presented to the project sponsor and other key decision makers that decide whether the project should continue to move forward．

The next step is （）．

A．project scope definition

B．problems analysis

C．decision analysis

D．requirements gathering
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单项选择题

个人住房抵押额度贷款，是建设银行用信贷资金向自然人发放的，以其（）作最高额抵押，用于其明确用途的人民币贷款.

A.自有住房

B.自有住房或商业用房

C.自有或家庭成员所有住房

D.自有或家庭成员所有住房或商业用房
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