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【多选题】
Nurbs建模方式中包含A.
曲线建模
B.
曲面建模
C.
以上都不是
D.
多边形建模
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】决定分娩的三要素中错误的是
A.
子宫收缩力是分娩的主要力量
B.
子宫上段肌肉产生有规律的阵发性收缩称阵缩
C.
子宫收缩有对称性
D.
子宫收缩上段弱、下段强，称为极性
E.
子宫体部肌纤维收缩时变短、变粗，间歇时放松，但不恢复到原来长度而较前略短称缩复作用
【简答题】Among the following novelists, the only one who had the working experience as a seal hunter is__________. A.Henry James B. Mark Twain C.Fitzgerald D.Jack London
【单选题】Which of the following is more likely to be unhappy according to the study?
A.
The one who has self-esteem and has confidence in himself.
B.
The one who is ambitious regardless of his actual situation.
C.
The one who can take pleasure in communicating with others.
D.
The one who always helps others and also accepts help from others.
【多选题】A buyer and a seller who conduct their purchase and sale under one of the Incoterms will have a mutual understanding of their ( )
A.
obligations
B.
freight
C.
rights
D.
costs
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