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【单选题】
听力原文：M: Welcome to Philadelphia, Julia. W: Thank you. M: Is everything settled? W: Almost. M: What can I do for you? W: I suppose I should look for a bigger house. But I don't see how I can afford one right now. M: If only you hadn't spent so much money on your vacation this summer! W: You're right. But I really had a happy vacation. M: OK. Maybe you can move into my mother's house and share that with her for a couple of months. W: Thank you. But I don't want to trouble you too much. M: No trouble at all. W: How much should I pay for the rent? M: About ＄400 a month. W: Great. That's one-third less than it was when I first rented a house. Why doesn't the woman have enough money at hand to rent a bigger house?A.
She spent much money on her vacation this summer.
B.
She doesn't want to leave there.
C.
She will save some money to buy a new house.
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举一反三
【单选题】在Excel2000中，某些数据的输入和显示是有一定完全相同的，例如输入为'12345678900000'，则显示为()。
A.
1.23456789E+13
B.
1.2345678E+13
C.
1.234567E+13
D.
1.23456E+13
【单选题】关于EGC报文,以下错误的叙述是_____。
A.
EGC电文编号都是唯一的
B.
对同一地面站，相同编号识别码的EGC电文，不会重复打印
C.
对同一地面站，相同编号识别码的EGC电文，会重复打印
D.
存储器已满，接收到新的电文编码会自动删除旧的电文编码。
【简答题】已知两流体进行逆流换热,过程中流体 无相变化, 已知 T 1 =70 °C , t 2 =40 °C ,( q mh c ph )/(q mc c pc )=1 ,则 Δ t m = 。
【单选题】关于EGC 报文,以下_____叙述是错误的。(130389:第3章 Inmarsat-C系统) (A-0,B-0,C-0,D-0,错误-0)
A.
EGC 电文编号都是唯一的
B.
相同EGC 电文不会重复打印
C.
相同的EGC 电文会重复打印 D、存储器满时接收到新的电文编码会自动删除旧的电文编码
【单选题】在Excel 2000中,某些数据的输入和显示是有一定完全相同的,例如输入为"12345678900000" ,则显示为( ) 。
A.
A、1.23456789E+13
B.
1.2345678E+13
C.
1.234567E+13
D.
1.23456E+13
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