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【单选题】
普通螺纹的特征代号是（ ），55度非密封管螺纹的特征代号是（ ），梯形螺纹的特征代号是（ ）1、G 2、R 3、Tr 4、MA.
4，2、3
B.
1、2、3
C.
4、1、3
D.
2、1、4
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举一反三
【单选题】下面不属于 C 语言程序开发过程中设计程序阶段应该考虑的问题的选项是:
A.
程序可以包含哪些函数
B.
用什么类型的变量来保存数据
C.
需要哪些步骤来解决问题
D.
采用哪一种开发工具
【单选题】根据《侵权责任法》规定,用人单位的工作人员因执行工作任务造成他人损害的,由()承担侵权责任。
A.
工作人员
B.
B用人单位
C.
用人单位或工作人员
D.
用人氧位和工作人员
【单选题】Which one of the following statements is incorrectaccording to the fable the Dragon-Slayer?
A.
Zhu Pingman had a big dream of slay ing the dragon.
B.
Zhu Pingman’s skill of slaying the dragon was not practical in real life .
C.
Zhu Pingman failed to the skill of slaying the dragon.
D.
Zhu Pingman studied the art of slaying the dragon under Zhi Liyi.
【简答题】根据提示完成下列句子(big born) My friend Mary ____________________(生) a boy on her 25th ___________(生日). She was ___________(流血) nearly to death. Bless me! The news was a ________(打击) to us all. God bless me!...
【简答题】Jesse was the fastest runner in the world. He was born in a poor black family and _____1____ (easy ) got ill in his childhood . ______2____, Jesse was lucky . He entered a school ____3___ one white te...
【简答题】短文填空 (首字母已给出)。 Dick was a clever boy, but his parents were very poor because b 1 of them were out of w 2 . So he had to make money in his holidays. I 3 this way he was able to go on studying, but it w...
【单选题】关于音位说法不正确的是（）
A.
音位是特定语言或方言中具有区别词的语音形式进而区别意义作用的最小语音单位。
B.
分音质音位和非音质音位两种类型。
C.
一个音位可以包括不同音素
D.
音位是最小语音单位
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