一个小正方体的棱长是2厘米,把3个这样的小正方体合成一个长方体,这个长方体的体积是______.
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下列哪种关系属于互利共生关系
A.鸟与树的关系
B.豆科植物与根瘤菌
C.豆科植物与禾本科植物
D.青蛙与水稻的关系
用调好的天平测物体质量,发现指针偏向分度盘左侧,那么可以采取的措施是______
A.游码向右移 B.平衡螺母向右旋
C.在右盘中加砝码 D.平衡螺母向左旋.
— You seemed to be impressed by his skill.
— Not exactly so. It was his courage _____ his skill that really impressed me. [ ]
A. rather than
B. as well as
C. but also
D. together with
已知序列(15,18,60,41,6,32,83,75,95)请给出采用冒泡排序法对该序列作升序排序时的每一趟的结果。
颅内压增高时,形成脑疝的主要原因是()
A.脑水肿、脑组织体积增大
B.弥漫性颅内压增高
C.脑脊液循环通路受阻
D.颅腔内压力梯度明显改变
E.脑干水肿