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问题 选择题

从1 L 3 mol·L-1的 NaCl溶液中取出100 mL溶液，则取出溶液中含有NaCl(    )

A．3 mol

B．0.3 mol

C．0.1 mol

D．17.55 g

答案

BD

3 mol·L-1×0.1 L="0.3" mol,  0.3 mol×58.5 g·mol-1="17.55" g

单项选择题 B1型题

上述哪项为苇茎汤和三仁汤均具有的药物（）

A.桃仁

B.通草

C.芦根

D.大黄

E.薏苡仁
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单项选择题

Developing reliable software on time and within (1) represents a difficult endeavor for many organizations.
Usually business solutions have three main aspects:people, (2) , and technology.The main reason for failing software projects has little to do with technology and tools, and much to do with lack of process (3) . Experience has shown that introducing new technology and tools in an immature or undisciplined environment is likely to increase the chaos. CASE tools are not enough. "A fool with a tool is still a fool!"
Structured method was the first wave of the software industry. This was the beginning of transforming software development from a " (4) industry" to mass production.Software process movement if the second wave in the software industry.The process maturity movement prepares the way for the third wave of the software industry: "software industrialization". Software development will become like an assembly and manufacturing process. A critical enabling factor is a disciplined software engineering process with predictable quality, (5) and functionality.

A. forecast B. preparationC. budget D. economy
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