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【判断题】
最简与或式的标准是:与或式中,与项的数目最少,每一与项中的变量数最少A.
正确
B.
错误
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举一反三
【简答题】构成数组的各个元素必须具有相同的 。 C 语言中数组的下标必须是、 0 或 。如果一维数组的长度为 n ,则数组下标的最小值为 ,最大值为 。
【简答题】已知以下同学和他们每门课程的成绩,请以姓名为 键、成绩列表为值创建字典,并完成以下习题: 1.输出每个同学对应的各科成绩 2.输出每个同学指定科目的成绩
【简答题】第三章 雨水工程规划 1 、现状 规划区块范围内尚无完善的雨水系统,雨水直排河道和农田。 2 、管网布置原则 采用 排水体制,管网布置充分考虑近远期结合,尽量减少雨水提升量,管网尽量顺坡布置。 充分利用地形、河沟,采用多排出口,就近排放永久性水体。 3 、雨水量计算 暴雨强度公式: q=4230 ( 1+0.402lgTE ) /(t+13.5) 0.841 (升 / 秒·公顷) Q= Ψ· q ...
【单选题】Look, the teacher as well as all his students playing games on the playground. [ ]
A.
are
B.
is
C.
has been
D.
have been
【简答题】运杂费指运输和( )费用。
【单选题】The aim of the teacher is to get his pupils as quickly as possible over the period in which each printed symbol is looked at for its shape, and arrive at the stage when the pupil looks at words and ph...
A.
Pupils should be trained to reach quickly the stage of reading without having to concentrate on the separate symbols.
B.
Pupils should look at each printed symbol for its meaning as well as for its shape.
C.
Teachers should help their pupils avoid looking at the shape of the printed symbols.
D.
Teachers should tell their pupils the different stages of their study.
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