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【单选题】
右卵巢动脉来源于A.
髂内动脉
B.
髂外动脉
C.
肾动脉
D.
腹主动脉
E.
髂总动脉
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举一反三
【多选题】野外实习的具体目标包括（）
A.
巩固课堂教学内容，拓宽、夯实环境科学专业基础
B.
加强野外研究方法的训练、培养学生的环境诊断与观察能力
C.
加强学生初步科学研究能力与创新意识的培养
D.
使学生掌握实习地不同景观单元及其环境特征、区域环境因子的空间分异规律
E.
引导学生对区域资源开发、环境保护与社会经济协调发展重要性的认识，并能自主地发现并解决科学问题
【单选题】? Do you know the most ancient city in China ─ Xi’an well? ? No, this is the first time I ___________ here.
A.
came
B.
have come
C.
am coming
D.
come
【简答题】何谓可阻遏操纵子(repressible operon)与衰减子(attenuator)原核生物的氨基酸合成通常具有这两种调控系统，其生物学意义何在
【单选题】The a phase indicates ______.
A.
Sn rich phase
B.
Sn and Pb rich
C.
eutectic reaction
D.
Pb rich phase
【多选题】Which of the following basic guidelines should be followed during the problem definition phase in software engineering project:
A.
Define what aspect(s) of the organization is affected (recall the functional areas of an organization).
B.
Describe (in convincing, precise language) the effects and possible causes. Show how problems may be interrelated.
C.
Describe the worker attitude to the problem.
D.
Cite the impact the problem has on productivity and revenue.
E.
Identify the operating constraints.
【单选题】One phase of the business cycle is the expansion phase. This phase is a two-fold one, including recovery and prosperity. During the recovery period there is ever-growing expansion of existing faciliti...
A.
cyclical industries
B.
the status of the farmer
C.
the higher cost of living
D.
the recession period
【简答题】衰减子(Attenuator)
【简答题】阅读理解。 Dear Sir or Madam, When I first came to Shenzhen, the first thing that surprised me most was the newspaper. We can see people reading newspapers everywhere, on the bus or on the street. Newspape...
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