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【单选题】
下列不属于有机分子间的相互作用力( )A.
色散力
B.
取向力
C.
氢键
D.
偶极矩
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反馈参考答案：
举一反三
【单选题】The infant learns to raise his head first, then to raise his chest, then to sit, stand and walk, which reflects the sequence(顺序) of human growth and development.
A.
from top to bottom
B.
from near to far
C.
from rough to fine
D.
from simple to complex
E.
from low to advanced
【单选题】The sense of trust in an infant is under development when ______.
A.
the infant experiences some satisfaction
B.
adults' trust is adequate
C.
the infant learns how to move
D.
the infant is surrounded by people he can recognize
【单选题】某计算机存储器按字节编址,主存地址空间为 64MB ,现用 4M × 8 位的 RAM 芯片组成 32MB 的主存储器,则存储器地址寄存器 MAR 的位数至少是( )
A.
22 位
B.
23 位
C.
25 位
D.
26 位
【单选题】What does the sentence 'A bird learns to sing and to fly rapidly at the right time... ? '(Para. 3) mean?
A.
A bird learns to sing and fly after twelve weeks.
B.
A bird learns to sing and fly when it is old enough.
C.
An infant learns to smile and make vowel-like sounds at twelve weeks.
D.
A bird learns to sing and fly fast at a certain stage.
【单选题】假定某32位计算机按字节编址，其L1 data cache数据区容量为32KB，主存块大小为64B，采用8路组相联方式。假定某变量的主存地址为4090，则该变量所在主存块应该映射到的cache行号为（ ）。
A.
2
B.
7
C.
58
D.
63
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