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【单选题】
二项式分布B(n,p)的概率分布图在下列哪种条件下为对称分布A.
p =1
B.
np =1
C.
p =0.5
D.
n=50
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举一反三
【单选题】The collector current, IC, of a BJT flows through two junctions. The drain current of an FET, ID, flows through _______ junctions.
A.
0
B.
1
C.
2
D.
3
【单选题】Flows of IC packaging excludes ( )
A.
back grind
B.
die separation
C.
slicing
D.
attach
E.
wire bonding
【简答题】蛋白质生物合成过程中,以 作为转运氨基酸的工具。
【单选题】News Report Three 2. According to the news report, which of the following will NOT be included in the festival?
A.
Vendors
B.
Horse riding
C.
Clowns
D.
A climbing wall
【简答题】客人不在房间,而有访客要求进入客房,怎么办?
【简答题】两个班级,分别为java班、Linux班,java班的人可以修改读取java班的文件,但不能让Linux班的人读取;Linux班的人可以修改读取Linux班的文件,但不能让 java班的人读取。
【单选题】(News report 1) 2.
A.
Many countries have not taken measures to create enough jobs.
B.
Few countries know how to address the current economic crisis.
C.
Few countries have realized the seriousness of the current crisis
D.
Many countries need support to improve their people’s livelihood.
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