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【简答题】
C 语言中,数组的各元素必须具有相同的 ,元素的下标下限为 ,下标必须是 、0、或者符号常量。但在程序执行过程中,不检查元素下标是否 。
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【多选题】安全生产费用应当按照《高危行业企业安全生产费用财务管理暂行办法》规定，确定范围内，以下属于安全生产费用适用范围的是( )。
A.
完善、改造和维护、检测、探测设备、设施支出
B.
安全生产管理人员工资
C.
安全生产检查与评价支出，安全技能培训及进行应急救援演练支出
D.
配备必要的应急救援器材、设备和现场作业人员安全防护物品支出
E.
重大危险源、重大事故隐患的评估、整改、监控支出
【简答题】市政道路养护根据其工程性质、技术状况、工程规模、工程量等内容划分为 、 、 和 四个工程类别。
【单选题】Rehearsal provides learners with an opportunity to ______ some out-of-class performance.
A.
rehearse.
B.
exercise.
C.
practice.
D.
train
【单选题】Distance education is enrollment and study with an educational institution that provides lesson materials prepared in a sequential and logical order for study by students on their own. When each lesso...
A.
Why is distance education important to the modern society?
B.
What is distance education?
C.
How does distance education differ from self-study?
D.
How is distance education different from college education?
【单选题】Distance education is enrollment and study with an educational institution that provides lesson materials prepared in a sequential and logical order for study by students on their own. When each lesso...
A.
Teachers and students seldom meet each other in class of distance education.
B.
Students can have their lessons in whatever order they like in distance education.
C.
Students can study at their own pace in distance education.
D.
It will take students a long time to get feedback of their assignments in distance education.
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