CRH380B型动车组每个牵引单元设置（）牵引电机。
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在下述药品中，遇光线最不容易引起变化的是（）
A. 明矾
B. 双氧水
C. 水杨酸钠
D. 左旋多巴
E. 肾上腺素
You enabled Automatic Shared Memory Management. The initialization parameters are set as shown below： SGA_TARGET = 10GB SGA_MAX_SIZE = 14GB STREAMS_POOL_SIZE = 1GB SHARED_POOL_SIZE = 3GB Which two statements are correct in this scenario？ （）
A total of 14 GB memory will be allocated to the automatically tuned memory components
B. Reducing the value for SGA_TARGET to 9 GB will automatically decrease the memory allocated to shared pool from 3 GB to 2 GB
C. The value for SGA_TARGET can be increased up to a maximum of 14 GB
D. A maximum of 3 GB can be allocated to shared pool
E. Increasing the value for SGA_TARGET to 12 GB will automatically increase the memory allocated to autotuned parameters
F. Increasing the value for SGA_TARGET will automatically increase the memory allocated for STREAMS_POOL_SIZE
体内存在多种阿片受体，至少可分为（）、（）、（）三种。
概述马克思主义哲学对于20世纪历史学、文艺学发展的深刻影响。
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