正确答案: G

只有Ⅰ和Ⅱ。

题目：西式快餐已被广大的中国消费者接受。随着美国快餐之父艾德熊的大踏步迈进并立足中国市场，一向生意火爆的麦当劳在中国的利润在今后几年肯定会有较明显的下降。要使上述推测成立，以下哪项是必须假设的?

解析：解析：为使题干的推测成立，Ⅰ项是必须假设的。否则，如果今后几年中，中国消费者用于西式快餐的消费总额有大幅度的增长，那么，虽然艾德熊占据了原来属于麦当劳的一部分西式快餐的中国市场，但麦当劳在中国的利润在今后几年仍可能不但不会有明显的下降，甚至会有上升。这样，题干的推测就不成立。

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[单选题]Developing reliable software on time and within(31)represents a difficult endeavor for many organizations.Usually business solutions have three main aspects:people,(32), 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(33). 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"(34)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,(35)and functionality.

budget

[单选题]以下关于嵌入式系统开发的叙述，正确的是（ ）。

在宿主机上必须采用交叉编译器来生成目标机的可执行代码