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【判断题】
51单片机的串行通信管理寄存器SCON可以位寻址。A.
正确
B.
错误
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举一反三
【简答题】《中华人民共和国道路交通安全法》规定:车辆驾驶员血液酒精浓度在20~80 mg/100mL(不含80)之间,属于酒后驾车;血液酒精浓度在80mg/100mL(含80)以上时,属醉酒驾车。据有关调查,在一周内,某地区查处酒后驾车和醉酒驾车共500人.如图是对这500人血液中酒精含量进行检测所得结果的频率分布直方图,则属于醉酒驾车的人数约为____________.
【单选题】PE1 has connections to sites that are served by three remote PE routers. How many LSPs must be established to support 2547bis?（）
A.
an LSP for each local CE device
B.
an LSP for each remote PE device
C.
an LSP for each remote CE device
D.
an LSP for each CE facing intece
【单选题】The new edition of the encyclopedia______ many improvements, which is the result of the persistent effort of all the compilers.
A.
embedded
B.
embodied
C.
enchanted
D.
enclosed
【简答题】Si或Ge的禁带宽度随温度升高而变()。
【单选题】Gross National Happiness In the last century, new technology improved the lives of many people in many countries. Howev-er, one country resisted these changes. High in the Himalayan mountains of Asia,...
A.
A president
B.
A Buddhist priest
C.
A general
D.
A king
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