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【单选题】
按钢中碳的质量分数分类：低碳钢中碳的质量分数为( )。A.
≤0.25%
B.
0.25%～0.60%
C.
0.60%
D.
≥0.60%
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反馈参考答案：
举一反三
【判断题】An elevator pitch or named elevator speech or statement refers to such a talk as a speaker, like a salesman, tries to present a valuable idea to the listener in an elevator.()
A.
正确
B.
错误
【单选题】What is elevator pitch? ( )
A.
To get stuck in an elevator.
B.
To sell something when people are stuck in an elevator.
C.
The elevator breakdown.
D.
The emmergency telephone to call when an elevator breaks down.
【简答题】字典( Dictionary )是基础数据结构映射 (Mapping) 的一种。 序列是按照顺序来存储数据的,而字典是通过 存储数据 。
【单选题】Had enough elevator music? Make way for elevator advertising and, for that matter, advertising in mall food courts, offices, hotel lobbies and at grocery store checkout counters: A growing number of m...
A.
It refers to such outdoor advertising as elevator advertising and billboards.
B.
It is now less expensive and time-consuming than the traditional media.
C.
It benefits a lot from technology advances.
D.
It will become more and more popular as an advertising outlet.
【单选题】In taking the elevator, you should ( ).
A.
ask the foreign visitor to enter first
B.
enter first and operate the elevator
C.
who enters first does not matter
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