皮皮学，免费搜题
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【单选题】
20世纪初出现的采用照相、幻灯和无声电影的视觉教学，主张利用媒体向学生提供视觉形象，以具体、生动的形式呈现抽象的概念和选择教具等。因此，在本质上与直观教学是______。A.
相反的
B.
无联系的
C.
一致的
D.
不同的
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皮皮学刷刷变学霸
举一反三
【简答题】-127的补码为______。
【单选题】There was more than ______ rain and snow last year, so some parts of the country have been flooded this spring.
A.
extra
B.
efficient
C.
effective
D.
adequate
【单选题】Last year, some poor people had hardly ______ the severe winter.
A.
remained
B.
lived
C.
endured
D.
survived
【简答题】127的补码为______。
【单选题】A terrible accident occurred in that coal mine last year, which left some miners ______disabled. They couldn’t work for the rest of their life.
A.
extraordinary
B.
permanently
C.
narrowly
D.
previously
【单选题】I remember we met each other ___ last year. [ ]
A.
sometime
B.
some times
C.
some time
D.
sometimes
【单选题】Some new teaching buildings ____ in Shunyi last year.
A.
build
B.
are built
C.
built
D.
were built
【简答题】定点字长为16位补码运算的计算机，用八进制写出它最大正数补码是______，最小负数补码为______。
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