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【单选题】
下列设备组中完全属于输入设备的一组是( )A.
Cd-ROM驱动器、键盘、显示器。
B.
绘图仪、键盘、鼠标。
C.
键盘、鼠标、扫描仪
D.
打印机、硬盘、条码阅读器
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反馈参考答案：
举一反三
【简答题】随机变量ξ的分布列为 ξ 0 1 x P 1 5 p 3 10 且Eξ=1.1，则p=______；x=______．
【单选题】设随机变量X的概率分布为P（X=k）= m k(k+1) （k=1，2，3，4，5），则 P( 3 2 ＜X＜ 7 2 ) =（ ）
A.
3 10
B.
2 5
C.
1 2
D.
5 6
【单选题】why does the government want the students to go to university? which of the following is NOT true?
A.
the government wants the students to experience the joy of learning.
B.
the government wants the students to get a degree which they dream of.
C.
the government wants the students to experienced the thrill of graduation
D.
the government wants the students to have promising future after graduation
【单选题】The point of the story is to _______ how the government has to go to raise awareness about global warming.
A.
entertain
B.
solve
C.
highlight
D.
figure
【简答题】P: Hongkong Centre , Pacific 193 1 C:Pacific193,HongkongCentre,”traffic,traffic,traffic,taffic” P:Center,Pacific193,we have indications of 2 that appears to be 3 towards us , can you confirm that tra...
【单选题】Why does the government want the students to go to university? Which of the following is NOT true?
A.
The government wants the students to experience the joy of learning.
B.
The government wants the students to get a degree which they dream of.
C.
The government wants the students to experience the thrill of graduation.
D.
The government wants the students to have promising future after graduation.
【单选题】The Chinese government is determined to go ______ the established policy of developing agriculture.
A.
after
B.
on
C.
ahead
D.
by
【单选题】The head of the Australian government is the ______.
A.
British monarch, represented by a governor-general
B.
President
C.
Prime Minister
D.
Queen
相关题目：
【单选题】设随机变量X的概率分布为P（X=k）= m k(k+1) （k=1，2，3，4，5），则 P( 3 2 ＜X＜ 7 2 ) =（ ）
A.
3 10
B.
2 5
C.
1 2
D.
5 6
参考解析：
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