题目内容（请给出正确答案）

[单选题]

A focal point of SLA research has been the nature and development of L2 learners （).

A.A.second language

B.B.first language

C.C.foreign language

D.D.interlanguage

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更多“A focal point of SLA research …”相关的问题

第1题

Where must an object be placed in front of a converging lens in order to obtain a virtual image？

A．Between the focal point and the lens

B．Between the focal length and twice the focal length

C．At twice the focal length

D．At the focal point

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第2题

Which is the focal point for life in the village？A．discothequesB．cinemaplexesC．churchD．pub

Which is the focal point for life in the village？

A．discotheques

B．cinemaplexes

C．church

D．pub

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第3题

33The traditional organizational form. has the disadvantage of: A.Complex functional budge

33 The traditional organizational form. has the disadvantage of:

A. Complex functional budgeting

B. Poorly established communication channels

C. No single focal point for clients/sponsors

D. Slow reaction capability

E. Inflexible use of manpower

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第4题

The traditional organizational form. has the disadvantage of:A.Complex functional budgetin

The traditional organizational form. has the disadvantage of:

A . Complex functional budgeting

B . Poorly established communication channels

C . No single focal point for clients/sponsors

D . Slow reaction capability

E . Inflexible use of manpower

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第5题

151The traditional organizational form. has the disadvantage of: A.Complex functional budg

151 The traditional organizational form. has the disadvantage of:

A. Complex functional budgeting

B. Poorly established communication channels

C. No single focal point for clients/sponsors

D. Slow reaction capability

E. Inflexible use of manpower

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第6题

下列哪一项是制定网络服务的服务水平的协议（SLA）所面临的挑战（重点）（）

A.减少网络入口（entry point）数量

B.建立设计良好的网络服务框架

C.找到能够正确衡量的性能指标

D.确保客户未修改网络组件

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第7题

主要刺激（focal stimuli)

主要刺激(focal stimuli)

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第8题

点状坏死（focal or spotty necrosis) 名词解释

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第9题

用正交方向曲率不等的凸柱面透镜模拟散光眼，其正交方向焦距分别为f =26.6cm、F=40.0cm。则应该给该“散光眼”配什么样的透镜？ A convex cylindrical lens with different curvature in orthogonal direction is used to simulate astigmatism. The focal length in orthogonal direction is f = 26.6cm and F = 40.0cm respectively. What kind of lens should be used for the astigmatism eye？

A.焦距为+80cm的凸透镜 Convex lens with focal length of + 80cm

B.焦距为+40cm的凸圆柱透镜 Convex cylindrical lens with focal length of + 40cm

C.焦距为-40cm的凹圆柱透镜 Concave cylindrical lens with focal length of - 40cm

D.焦距为+80cm的凸圆柱透镜 Convex cylindrical lens with focal length of + 80cm

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第10题

局灶性发作focal attack 名词解释

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