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【单选题】
关于光纤通信，下列说法中错误的是（ ）。A.
发送光端机将发送的电信号转换信号
B.
接收光端机将接收的光信号转换成电信号
C.
光中继站用来补偿
D.
无光 /电、电/光转换的“全光网”永远不能实现
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【单选题】听力原文：M: Isn't that a brand-new typewriter you're using. W: Oh，Bill，this isn't the first time you've asked me about it. Q: What does the woman imply? (18)
A.
The typewriter is not new.
B.
The man is a forgetful person.
C.
The man can have the typewriter later.
D.
The man misunderstood her.
【单选题】采用泵送混凝土工艺时,水泥用量不宜过少,否则泵送阻力增大,最小水泥用量为( ) kg/m ,水灰比宜为 0.4 ~ 0.6 。
A.
200
B.
250
C.
300
D.
400
【简答题】（）（15分） 阅读下列说明，回答问题1至问题3，将解答或相应的编号填入答题纸的对应栏内。【说明】 A公司为某钢铁业的客户开发大型MES信息系统项目，罗工担任了该项目的项目经理，由于客户担心在项目验收后，后续维护存在困难，因此要求成立联合项目组，这样项目组的开发人员里有三分之一来自于客户方。而且客户对项目的质量要求很高，罗工也深知质量对于客户的重要性。 因此在项目启动不久后，罗工就召开了专门的质量...
【单选题】听力原文：M: Isn't that a new brand of typewriter you are working at? W: Oh, Bill. This isn't the first time you've asked me about it. What does the woman imply?
A.
The man is a forgetful person.
B.
The typewriter is not new.
C.
The man can have the typewriter later.
D.
The man misunderstood her.
【单选题】采用泵送混凝土工艺时，水泥用量不宜过少。否则泵送阻力增大，最小水泥用量为( )kg m3．水灰比宜为0．4～O．6。
A.
200
B.
250
C.
300
D.
400
【简答题】采用泵送混凝土工艺时，水泥用量不宜过少，否则泵送阻力增大，最小水泥用量为（）kg/m，水灰比宜为0.4～0.6。
【单选题】听力原文：M: Isn't that a new brand of typewriter you are working at? W: Oh, Bill. This isn't the first time you've asked me about it. Q: What does the woman imply? (13)
A.
The man is a forgetful person.
B.
The typewriter is not new.
C.
The man can have the typewriter later.
D.
The man misunderstood her.
【单选题】听力原文：M: Isn't that a new brand of typewriter you are working at? W: Oh, Bill. This isn't the first time you've asked me about it. Q: What dins the woman imply? (15)
A.
The man is a forgetful person.
B.
The typewriter is not new.
C.
The man can have the typewriter later.
D.
The man misunderstood her.
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