国开题库
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【标准答案】Of the two architecturaldesigns, Ithink this one is _____.
#A.good#B.better#C.best
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【标准答案】Protel99SE是用于( )的软件。
#A.电气工程#B.电子线路#C.机械工程#D.建筑工程
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【标准答案】Professor Smith promised to look ________ my paper, that is, to read it carefully before the defence.
#A.after#B.over#C.on
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【标准答案】n阶系统有m个开环有限零点,则有( )条根轨迹终止于S平面的无穷远处。
#A.n–m#B.m–n#C.n#D.m
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【标准答案】Professor Smith promised to look ______ my paper, that is, to read it carefully before the defence.
#A.after#B.over#C.into
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【标准答案】n阶无向完全图K<sub>n</sub>每个结点的度数是( ).
#A.n#B.n(n-1)/2#C.n-1#D.n(n-1)
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【标准答案】produce qualified products.
#A.对#B.错
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【标准答案】n阶无向完全图K<sub>n</sub>的边数是( ).
#A.n#B.n(n-1)/2#C.n-1#D.n(n-1)
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【标准答案】Prices of daily goods ___________ online can be lower than store prices.
#A.are bought#B.bought#C.been bought
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【标准答案】N沟道结型场效应管的偏置电压U<sub>GS</sub>应为( )。
#A.正#B.负#C.零
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