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【判断题】
使用8751且EA=1时,仍可外扩64KB的程序存储器。
A.
正确
B.
错误
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参考答案:
举一反三
【简答题】My brother can speak English. (改为 否定句 ) My brother can ______ speak English.
【单选题】So far, several ships have been reported missing ______ the coast of Bermuda Island.
A.
off
B.
along
C.
on
D.
around
【单选题】So far the teachers have _____ several solutions to the problem that some students often fail to hand in their homework on time. [     ]
A.
worked out
B.
made out
C.
come out
D.
burst out
【单选题】已知函数【图片】在点(0,0)的某个邻域内连续,且【图片】则下述四个选项中正确的是
A.
点(0,0)不是此函数的极值点
B.
点(0,0)是此函数的极大值点
C.
点(0,0)是此函数的极小值点
D.
无法判断点(0,0)是否为此函数的极值点
【单选题】To my surprise, my brother can speak English .
A.
lively
B.
perfectly
C.
badly
D.
friendly
【单选题】已知函数 f(x,y) 在点 (0,0) 的某个邻域内连续, 且【图片】则
A.
点 (0,0) 不是f(x,y) 的极值点
B.
点(0,0) 是f(x,y) 的极大值点
C.
点(0,0) 是f(x,y) 的极小值点
D.
根据所给条件无法判断点(0,0) 是否为f(x,y)的极值点.
【单选题】My brother can _____ a horse.
A.
drive
B.
play
C.
ride
D.
open
【判断题】交流接触器通电后如果铁心吸合受阻,将导致线圈烧毁。
A.
正确
B.
错误
【简答题】Index("DATASTRUCTURE","STR")=__________。
【单选题】Although he' s a lawyer, he' s ______ employed in controlling a large business.
A.
exceedingly
B.
particularly
C.
principally
D.
excessively
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