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【单选题】
在C语言源程序中,主函数的位置( )。
A.
必须在编译预处理命令之后
B.
必须在源程序最后
C.
任意
D.
必须在源程序开头
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举一反三
【简答题】Please listen to the TED speech carefully and try to write down every sentence in detail. Check the answer and remember the now words and phrases.
【多选题】Identify the situations in which you use the alert log file in your database to check the detail.()
A.
Running a query on a table returns "ORA-600: Internal Error."
B.
Inserting a value in a table returns "ORA-01722: invalid number."
C.
Creating a table returns "ORA-00955: name is already used by an existing object."
D.
Inserting a value in a table returns "ORA-00001: unique constraint (SYS.PK_TECHP) violated."
E.
Inserting a row in a table returns "ORA-00060: deadlock detected while waiting for resource."
【多选题】One of the first videos described the difference between the focused mode and the diffuse mode. According to this video, the focused mode is affiliated with (check all that apply to the concept of foc...
A.
A relaxed, daydream-like approach to problem-solving.
B.
A way of drawing upside down in order to focus on the details, as one of the videos discussed in detail.
C.
Ideas, concepts, and problem-solving techniques that are at least somewhat familiar to you--your previous knowledge lays a sort of underlying neural pathway that you tend to follow.
D.
A pinball machine that has bumpers which are very tightly grouped together, so the pinball (the thought) can't go very far without bumping into a bumper.
【判断题】Fe-Fe3C系合金中,只有过共析钢的平衡结晶组织中才有二次渗碳体存在()
A.
正确
B.
错误
【判断题】要使一个生物体从无序到有序,就要不断地客服熵增。()
A.
正确
B.
错误
【判断题】在Fe-Fe 3 C系合金中,只有过共析钢钢的平衡组织中才有二次渗碳体存在。
A.
正确
B.
错误
【判断题】Instead of asking “are you clear”, teachers can design questions for the detail of instruction to check that.
A.
正确
B.
错误
【简答题】选择题: 1 . Fe ― Fe 3 C 合金中,合金具有最好流动性的是( )。 ( A ) C%=4.00% ( B ) C%=4.30% ( C ) C%=4.80% ( D ) C%=5.00% 2 .凝固的热力学条件为( )。 ( A )形核率 (B) 系统自由能增加 ( C )能量守衡 ( D )过冷度 3 .二元相图中,当有二次相析出时,固溶线表现为 ( )。 A 垂线 B 水平线 C...
【判断题】在Fe-Fe3C系合金中,只有过共析钢的平衡结晶组织中才有二次渗碳体存在。()
A.
正确
B.
错误
【简答题】The design of a machine includes many factors other than those of determining the loads and stresses and selecting the proper materials. Before construction or manufacture can begin, it is necessary t...
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