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【判断题】
是我国古代诗歌的, “诗仙”,“诗圣” 。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】When a tax is placed on a good
A.
the price paid by buyers rises, and the price received by sellers rises.
B.
the price paid by buyers rises, and the price received by sellers falls.
C.
the price paid by buyers falls, and the price received by sellers rises.
D.
the price paid by buyers falls, and the price received by sellers falls.
【简答题】挂起一个任务即使任务进入( )。 A 、等待态 B、 睡眠态 C、中断态 D、就绪态
【单选题】When a tax is placed on the buyers of a product, buyers pay
A.
more and sellers receive more than they did before the tax.
B.
more and sellers receive less than they did before the tax.
C.
less and sellers receive more than they did before the tax.
D.
less and sellers receive less than they did before the tax.
【单选题】Buyers of a product will pay the majority of a tax placed on a product when
A.
supply is more elastic than demand.
B.
the demand in more elastic than supply.
C.
the tax is placed on the seller of the product.
D.
the tax is placed on the buyer of the product.
【单选题】When a tax is placed on the buyers of a product, a result is that buyers effectively pay
A.
less than before the tax, and sellers effectively receive less than before the tax.
B.
less than before the tax, and sellers effectively receive more than before the tax.
C.
more than before the tax, and sellers effectively receive less than before the tax.
D.
more than before the tax, and sellers effectively receive more than before the tax.
【简答题】uC/OS-II的每个任务都处在休眠态、就绪态、___【31】____态、挂起态和被中断态5种状态之一的状态下。其中，在就绪态中霤/OS-II就绪表为每一个任务提供一个二进制位，登记该任务是否就绪，就绪时对应位的值为___【32】____。
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