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【单选题】
下列关于昼夜节律去同步化表现的描述,正确的是A.
夜间觉醒阈值明显降低
B.
不易被惊醒
C.
表现为昼夜失眠
D.
重新获得同步化的时间为10天以上
E.
重新获得同步化的过程中病人感觉舒适
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【简答题】Vet. Choose the best answer (a, b, or c) to complete each of the following statements.
【简答题】What is materials science? What is materials engineering?
【单选题】工程建设监理投资控制是指在整个项目的()阶段开展管理活动，力求使项目在满足质量和进度要求的前提下，实现项目实际投资不超过计划投资。
A.
计划和规划阶段
B.
实施阶段
C.
组织阶段
D.
验收阶段
【单选题】We are engaged in the interdisciplinary field of the science and technology of materials.
A.
take up
B.
busy with
C.
interested in
D.
take in
【单选题】Read the passage quickly and choose the best answers. (1) According to the text, after people in Western society complete their compulsory schooling, what are their main choices for further education?
A.
Community college.
B.
VET and university.
C.
Going abroad to study.
D.
All of the above.
【单选题】烯键上加成常常是反式加成 , 但是下列加成中哪一种是顺式的 ?
A.
Br2/CCl4
B.
Cl2/OH-
C.
H2/Pt
D.
(1) 浓 H2SO4 ,(2)H2O
【判断题】The discipline of materials science and engineering can be subdivided into materials science and materials engineering subdisciplines.
A.
正确
B.
错误
【单选题】Modem technology and science have produced a wealth of new materials and new ways of using old materials. For the artist this means wider opportunities. There is no doubt that the limitations of mater...
A.
can cause a lot of changes in sculpture arts
B.
permit details of an object to be seen clearly
C.
can superimpose multiple sides of sculptor's designs
D.
can make artists adaptable to be surroundings
【单选题】Modern technology and science have produced a wealth of new materials and new ways of using old materials. For the artist this means wider opportunities. There is no doubt that the limitations of mate...
A.
artistic creations seem to be the reproductions of modern technology
B.
artistic creations have made great strides scientifically
C.
artistic creations appear to be incapable of ignoring material advances
D.
artistic creations are the reflection of the material world
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