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输入委托指令时，若是买入委托，电脑将自动查验该客户的资金账户中资金是否充足。资金不足者，应拒绝委托或视为无效委托。()
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听力原文： Scientists have discovered evidence that a dinosaur found in Montana was a female. Scientists have never before been able to reliably determine the sex of fossilized dinosaurs. The latest discovery gives them a tool to identify at least some females. What they found was a layer of something called medullary bone inside the thighbone of a dinosaur dug up five years ago. Scientists had cut the bone into two pieces to get it into a helicopter. Medullary bone is only known in ovulating birds, it's a source of calcium that birds draw to make shells for their eggs. Writing in the journal Science, the scientific team believes the bone layer could be a way to identify other female dinosaurs but only if they died while making eggs and were then fossilized. They point out that the discovery confirms the view that modem birds are the closest living relatives of the two-legged dinosaurs.
Which is NOT correct description about Medullary bone？
听力原文： A leading Senate Democrat says the US detention center at Guantanamo Bay, Cuba, should be shut down. Senator Joe Biden added his voice to the reaction to a Pentagon report released Friday. The report details five incidents in which US guards and interrogators desecrated the Koran at Guantanamo Bay, Cuba. Speaking on ABC Biden says he thinks the US should move towards closing Guantanamo. "We should end up shutting it down, moving those prisoners. Those we have reason to keep, keep. Those we don't, let go."
The topic also came up on CNN. Democrat K said he didn't believe that it was necessary to close down Guantanamo, and Republican Senator Mitch McConnell seethes over Amnesty International's use of the word "gulag" to describe the prison. He said it's difficult to run a perfect prison.
______ supports to shut down Guantanamo Bay prison？
在一般工程测量中，真值也可以用测量值代替，这时，相对误差称为示值相对误差。()
差额投资内部收益率法和年等额净回收额法适用于原始投资不相同的多方案比较。()
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