皮皮学，免费搜题
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【单选题】
不稳定性骨折不包括下列哪项?A.
骨折
B.
骨骺分离
C.
斜行骨折
D.
粉碎性骨折
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皮皮学刷刷变学霸
举一反三
【单选题】The service industry is also called _______.
A.
subsidiary industry
B.
light industry
C.
tertiary industry
D.
secondary industry
【单选题】The service industry is also called .
A.
subsidiary industry
B.
light industry
C.
secondary industry
D.
tertiary industry
【单选题】Which of the following statements is NOT true about the service industry in the United States?
A.
Financial sector is at the heart of the American service industry.
B.
American service industry provides one third of the world labor force.
C.
American service industry is highly customized.
D.
It is not easy to innovate and upgrade the service industry.
【简答题】A characteristic of the information age is that ________. A) the service industry is relying more and more on the female work force B) manufacturing industries are steadily increasing C) people find i...
【多选题】下列有关位错的说法中,错误的是
A.
刃型位错与螺型位错的位错线运动的方向均与位错线垂直。
B.
晶体发生塑性变形会导致位错的运动、位错的增殖和交割。
C.
螺型位错的位错线与滑移方向垂直。
D.
负刃型位错的滑移面之下的原子间距变大，晶格受到拉应力。
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