狗不具有发达的血液循环和神经系统,其消化生理、毒理和对疾病的反应也和人类不近似,不适于作生理学、营养学、药理学、毒理学。行为学和外科手术学上的研究。
参考答案:错
Ravi,like many project__(1)__,had studied the waterfall model of software development as the primary software life-cycle__(2)__.He was all set to use it for an upcoming project,his first assignment.However,Ravi found that the waterfall model could not be used because the customer wanted the software delivered in stages,something that implied that the system had to be delivered and built in__(3)__and not as__(4)__.
The situation in many other projects is not very different.The real world rarely presents a problem in which a standard process,or the process used in a previous project,is the best choice.To be the most suitable,an existing process must be__(5)__to the new problem.
A development process,even after tailoring,generally cannot handle change requests.To accommodate change requests without losing control of the project,you must supplement the development process with a requirement change management process.
空白(3)处应选择()
A.parts
B.modules
C.software
D.awhole
判断西瓜成熟,可凭以下()特征[语句调整过。
A.留瓜节位卷须变黄或枯萎
B.瓜皮变亮变硬,花纹清晰
C.手敲瓜面发出“嘭嘭”低沉声音
D.叶片变绿
E.以上都正确