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【简答题】
每10分钟内电话交换台收到呼唤的次数X是一个离散型随机变量,它服从参数为λ(λ>0)的泊松分布,已知每10分钟收到3次呼唤与收到4次呼唤的可能性相同,求: (1)平均每10分钟内电话交换台收到呼唤的次数; (2)任意10分钟内电话交换台收到2次呼唤的概率。
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【单选题】关于下面程序,( )的结论是正确的。 public class J_Test { public static void main(String[] args) { try { return; } finally { System.out.println("1"); } } }
A.
上面程序含有编译错误
B.
上面程序会正常运行,但不产生任何输出
C.
上面程序在运行时会产生一个运行时异常
D.
上面程序输出“1”
查看完整题目与答案
【单选题】I think football is _____ older than basketball . [ ]
A.
little
B.
a little
C.
few
D.
a few
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【单选题】I think football is _______ basketball in America.
A.
as popular as
B.
less popular
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【简答题】I think football is ___(erous) than tennis.
查看完整题目与答案
【单选题】气管向健侧移位见于
A.
大量胸腔积液
B.
大叶性肺炎
C.
肺气肿
D.
肺不张
E.
支气管肺炎
查看完整题目与答案
【单选题】I think football is ________ than basketball in America.
A.
more popular
B.
so popular as
C.
as popular as
D.
less popular
查看完整题目与答案
【简答题】I think football is (good) ________ than basketball .
查看完整题目与答案
【单选题】气管向健侧移位见于
A.
一侧肺纤维化
B.
一侧胸腔积液
C.
一侧肋骨骨折
D.
肺气肿
E.
一侧甲状腺肿大
查看完整题目与答案
【单选题】I think football is ___basketball in America.
A.
more popular
B.
so popular as
C.
as popular as
D.
less popular
查看完整题目与答案
【多选题】气管向健侧移位见于
A.
一侧大量胸腔积液
B.
肺不张
C.
一侧气胸
D.
一侧甲状腺肿大
E.
纵隔肿瘤
查看完整题目与答案
相关题目:
【单选题】关于下面程序,( )的结论是正确的。 public class J_Test { public static void main(String[] args) { try { return; } finally { System.out.println("1"); } } }
A.
上面程序含有编译错误
B.
上面程序会正常运行,但不产生任何输出
C.
上面程序在运行时会产生一个运行时异常
D.
上面程序输出“1”
查看完整题目与答案
【单选题】I think football is _____ older than basketball . [ ]
A.
little
B.
a little
C.
few
D.
a few
查看完整题目与答案
【单选题】I think football is _______ basketball in America.
A.
as popular as
B.
less popular
查看完整题目与答案
【简答题】I think football is ___(erous) than tennis.
查看完整题目与答案
【单选题】气管向健侧移位见于
A.
大量胸腔积液
B.
大叶性肺炎
C.
肺气肿
D.
肺不张
E.
支气管肺炎
查看完整题目与答案
【单选题】I think football is ________ than basketball in America.
A.
more popular
B.
so popular as
C.
as popular as
D.
less popular
查看完整题目与答案
【简答题】I think football is (good) ________ than basketball .
查看完整题目与答案
【单选题】气管向健侧移位见于
A.
一侧肺纤维化
B.
一侧胸腔积液
C.
一侧肋骨骨折
D.
肺气肿
E.
一侧甲状腺肿大
查看完整题目与答案
【单选题】I think football is ___basketball in America.
A.
more popular
B.
so popular as
C.
as popular as
D.
less popular
查看完整题目与答案
【多选题】气管向健侧移位见于
A.
一侧大量胸腔积液
B.
肺不张
C.
一侧气胸
D.
一侧甲状腺肿大
E.
纵隔肿瘤
查看完整题目与答案