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(76)10= 8421= 格雷码

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带符号的二进制数的代码表示有 、 和 。

(276.1235)8= 16 ,十进制数对应的二进制原码 。

Match the sentences with their explanations.1. As Premier and Party Secretary of the State Council, Li has to handle many issues that are considered important in China and the world.李作为总理兼国务院党组书记一定有许多紧迫的国内和国际问题要处理。2. This is an incomplete sentence. The full sentences would read something like the following: The Premier is to meet me alone. No US reporter is allowed. And the meeting will last 30 minutes.我单身赴会,美国记者不得随行,会见时间为30分钟。3.There were no x-ray machines or body scanners like the ones you find at the entrance to the U.S. Capitol and the White House.不像美国国会大厦和白宫,这里没有X光机,也没有人体扫描仪。总理和我一起用茶。5. Obviously, the Premier was ready to show me that China meant business in its efforts to cope with environmental problems.总理显然有备而来,要向我展示中国应对环境挑战的努力绝不是纸上谈兵,而是成果颇丰。6. In order to prove how China is making huge progress in this area, Li told me that 60 million rural water users were supplied with clean drinking water in 2013 …为了说明中国在这一战线上积极推进的成果,他举例说,在2013年,中国就有6,000万农村人口喝上了清洁的饮用水。7. … he was enrolled by the elite Peking University, which gave him a start on his way towards an outstanding career.……他被精英大学北京大学录取,从此展开了辉煌的职业生涯。

There are ten sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentences.Property is defined _______ the rights a person has to the use and disposition of an object.

A. regarding as
B. concerning
C. relating
D. looking

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