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【单选题】
关于三角肌的描述,错误的是( )A.
肌纤维自前、外、后三方面向下方集中,止于肱骨三角肌粗隆
B.
三角肌后部肌纤维可使肩关节伸和旋外
C.
三角肌前部纤维可使肩关节内
D.
位于肩部,起于锁骨内侧段、肩峰和肩胛冈
E.
三角肌的作用是使肩关节外展
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皮皮学刷刷变学霸
举一反三
【单选题】微血管病性溶血性贫血的主要发生机制是
A.
微血管壁通透性增加,使红细胞移出血管外
B.
小血管内血流淤滞,回心血量减少
C.
纤维蛋白丝在微血管腔内形成细网,使红细胞破坏
D.
纤溶酶大量生成,使红细胞破坏
E.
小血管强烈收缩
【单选题】In Australia’s New South Wales, a group of animals are at risk of losing their home with a new l
A.
28. In Australia’s New South Wales, a group of animals are at risk of losing their home with a new logging program soon ______. A．starts
B.
to start
C.
starting
D.
Started
【单选题】The echinoderms are the first group of animals covered that are( ).
A.
asymmetrical
B.
diploblastic
C.
deuterostomes
D.
ecdysozoans
E.
lophotrochozoans
【简答题】a group of plants or animals that are of the same kind;s
【单选题】The reasons why a group of cloned animals all die of the same illness do NOT include ____.
A.
they have the same arrangement of genes
B.
there isn’t enough diversity in the group for it to overcome illnesses
C.
the illness is a new one
D.
their arrangement of genes can not resist that new disease
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