During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）...

第1题

[单选题] Before she left on the trip, she（） hard.

A、trained B、has trained C、would trained D、had trained

第2题

A、A.gcc -o ex ex.c gtk-config -cflags --libs B、B.gcc -o ex ex.c ’gtk-config -cflags -libs’ C、C.gcc -o ex ex.c ’gtk-config -cflags -libs D、D.gcc -o ex ex.c "gtk-config -cflags -libs"

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第3题

[] Before she left on the trip, she（）hard.

A、A.trained B、B.has trained C、C.would trained D、D.had trained

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第4题

[单选题] 对任意随机变量X，若EX存在，则E[E（EX）]等于（）

A、0 B、X C、EX D、（EX）³

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第5题

[] Before she left on the trip, she（）hard.

A、A.had trained; B、B.has trained C、C.would trained

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第6题

[多选题] 正常情况下RNC的功能单元应处理哪种状态（）

A、WO-EX B、BL-EX C、SP-EX D、TE-EX

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第7题

[] 用频率为v的单色光照射某种金属时，逸出光电子的最大动能为Ex；若改用频率为2v的单色光照射此种金属时，则逸出光电子的最大动能为（）

A、A.2Ex B、B.2h-Ex C、C.h-Ex D、D.h+Ex

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第8题

[单选题] You are employed as the Exchange administrator at Company.com.The Company.com network contains an Exchange Server 2010 Organization.The Active Directory forest of Company.com contains two sites named ExamWaysA and ExamWaysB.both sites contain 6 mailbox servers.examwaysa contains a mailbox server named -ex01 and examwaysb a mailbox server named ex02.Company.com has a public folder named testdata that is replicated to -ex01 and -ex02.during the course of the week you receive numerous complaints from users stating that they are unable toQ

A、you should consider having -ex01 and -ex02 added to a database availability group （dag）. B、you should consider having -ex01 added to the public folder referrals for examwaysb. C、you should consider having -ex02 added to the public folder referrals for examwaysa. D、you should consider having -ex01 and -ex02 added to a client access server array.

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第9题

[单选题] 二维随机变量（X，Y）服从二维正态分布，则X+Y与X-Y不相关的充要条件为（）。

A、EX=EY B、EX²-[EX]²=EY²-[EY]² C、EX²=EY² D、EX²+[EX]²=EY²+[EY]²

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During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.

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