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【多选题】
促进铁吸收的因素有( )A.
维生素C
B.
肉因子
C.
维生素B2
D.
乳糖
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反馈参考答案：
举一反三
【单选题】A(n) _____ culture is one in which emotions are held in check.
A.
Emotional
B.
Buoyant
C.
Neutral
D.
Specific
【单选题】He drew me closer until our bodies were .
A.
avoiding
B.
proceeding
C.
touching
D.
expecting
【单选题】你在东京与一家厂商谈判供应水管的长期合同,但谈了几天毫无头绪,总在原地转圈子。此时你会:
A.
等待对方提出新方案
B.
稍微做点让步以打破僵局
C.
另换一个议题
D.
提议休会
【判断题】The Parity-check bits of a (n,k) linear code is the same as the parity-check sums of this (n,k) linear code.
A.
正确
B.
错误
【单选题】Check is a(n) _________ of the customer without any condition.
A.
demand
B.
order
C.
request
D.
promise
【单选题】The generator matrix G of an (n,k) linear code is a k-row ́ n-column matrix. If given the systematic form G as G=[I k P], where I k is an identity matrix; then, the parity-check matrix H can be con...
A.
n
B.
n-k
C.
k
D.
k-n
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