皮皮学,免费搜题
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【单选题】
高铁酸钾(K 2 FeO 4 )是一种比氯气、臭氧、高锰酸钾更强的多功能水处理剂,被广泛应用于各种净水过程,高铁酸钾中铁元素的化合价为(  )
A.
+2
B.
+3
C.
+6
D.
+7
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【多选题】设某浮点数格式为:字长12位,阶码 6 位,用移码表示,尾数 6 位,用原码表示,阶码在前,尾数(包括数符)在后,则按照该格式: 已知X=-25/64, Y=2.875 ,求数据 X 规格化的浮点数形式(1),Y 规格化的浮点数形式(2) 。 已知Z的浮点数以十六进制表示为 9F4H ,则求 Z 的十进制真值(3)。
A.
1,00001 1.11001
B.
0,11111 1.11001
C.
1,00010 0.10111
D.
0,00010 0.10111
E.
-80
F.
-60
【单选题】E-books, in addition to being an alternative product form, provide __________ value creation since they can be downloaded via the Internet immediately when they are needed.
A.
product
B.
place
C.
promotion
D.
price
E.
primary
【单选题】中国甲公司向加拿大乙公司出口一批农产品,CFR价格条件。货装船后,乙公司因始终未收到甲公司的通知,未办理保险。部分货物在途中因海上风暴毁损。根据相关规则,下列那一选项是正确的?( )(司考)
A.
甲公司在装船后未给乙公司以充分的通知,造成乙公司漏保,因此损失应由甲公司承担
B.
该批农场品的风险在装港船舷转移给乙公司
C.
乙公司有办理保险的义务,因此损失应由乙公司承担
D.
海上风暴属不可抗力,乙公司只能自行承担损失
【简答题】《政府采购法》规定,政府采购一律实行集中采购。 ( )
【单选题】5 ) _____ many educators and parents have praised the Harry Potter series , some Christian parents have called for a ban on the books in their schools and libraries. Some churches have even gone as fa...
A.
although
B.
in addition
C.
such as
D.
however
E.
indeed
【单选题】5 ) _____ many educators and parents have praised the Harry Potter series , some Christian parents have called for a ban on the books in their schools and libraries. Some churches have even gone as fa...
A.
Although
B.
In addition
C.
Such as
D.
However
E.
Indeed
【单选题】5 ) _____ many educators and parents have praised the Harry Potter series , some Christian parents have called for a ban on the books in their schools and libraries. Some churches have even gone as fa...
A.
Although
B.
In addition
C.
Such as
D.
However
E.
Indeed
【单选题】5 ) _____ many educators and parents have praised the Harry Potter series , some Christian parents have called for a ban on the books in their schools and libraries. Some churches have even gone as fa...
A.
although
B.
in addition
C.
such as
D.
however
E.
indeed
【简答题】设某浮点数格式为:字长 12 位,阶码 6 位,用移码表示,尾数 6 位,用原码表示,阶码在前,尾数(包括数符)在后,则按照该格式: 已知 X=-25/ , Y=2.875 ,求数据 X 、 Y 的规格化的浮点数形式。 已知 Z 的浮点数以十六进制表示为 9F4H ,则求 Z 的十进制真值。
【简答题】12 已知数的补码表示形式如下,分别求出数的原码与真值。 ( 1 ) [X] 补 = 78H ( 2 ) [Y] 补 = 87H
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