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问题 配伍题

DNA分子上的特定基因被激活并转录生成RNA或者由此引起蛋白质的合成过程（）
以DNA单链为模板合成与DNA某段碱基序列互补的RNA分子（）

A.复制

B.转录

C.反转录

D.翻译

E.基因表达

答案

参考答案：E,B

单项选择题

Developing reliable software on time and within (66) represents a difficult endeavor for many organizations.

Usually business solutions have three main aspects: people, (67) ,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 (68) . 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" (69) 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 cfiticalenabling factor is adisciplined software engineering . process with predictable quality, (70) and functionality.

（68）处填（）。

A．law

B．discipline

C．plan

D．evaluation
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问答题 简答题

计算题：某一级公路水泥稳定砂砾基层压实厚度检测值数据为：21.5、22.6、20.3、19.7、18.2、20.6、21.3、21.8、22.0、20.3、23.1、22.4、19.0、19.2、17.6、22.6cm，按保证率99%计算其厚度的代表值，并进行评定。（hs=20cm，代表值允许偏差为-8mm，极值允许偏差为-15mm）（已知：t0.95/4=0.438，t0.99/4=0.651）
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