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【多选题】
GPS卫星信号包含三种信号分量,分别是()。A.
载波
B.
频率
C.
测距码
D.
数据码
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【简答题】The exhibition of the European Single Market aims to foster and extend the sp______ of European friendship.
【单选题】关于爆炸品生产厂房、储存库房和销毁场地的平面布置，下列说法错误的是( )。
A.
主厂区内按危险和非危险分区布置规划
B.
总仓库远离工厂和城市
C.
销毁场所选择山沟、河滩等地方
D.
主厂区布置在非危险区的上风侧
【简答题】Jenny was an English. She was a good girl 1 she was often late for school.One morning she was late again.Mr Black,her teacher,was angry with her when she came into the classroom. "I'll write to your f...
【单选题】在由若干机器串联构成的机组中,若这些机器的单机效率均不相同,其中最高效率和最低效率分别为η max 和η min ,则机组的总效率η必有如下关系:
A.
ηmin
B.
η>η max
C.
η min ≤η≤η max
D.
η min max
【单选题】关于爆炸品生产厂房、储存库房和销毁场地的平面布置，下列说法错误的是（ ）
A.
方厂区内按危险和非危险分区布置规划
B.
总仓库远离工厂的城市
C.
销毁所选择山沟河滩等地方 D主厂区布置在非危险区的上区侧
【简答题】听下面一段材料，回答第1-3 题。 1. Why was Paul angry with Jane? A. She told the others about his salary. B. She told Mrs. Wallace his salary. C. She always talks to everybody. 2. Why did Jane tell Mrs. Wallace the...
【简答题】1 She got angry with us and __________ (leave) the room without saying goodbye.
【简答题】听下面一段材料，回答第1-3题。 1. Why was Paul angry with Jane? [ ] A. She told nobody about his salary. B. She told Mrs. Wallace his salary. C. She always talks to old people. 2. Why did Jane tell Mrs. Wallace...
【单选题】The European Union(EU)is an organization of 15（）that promotes cooperation among its members.A.European countries
A.
European countries
B.
developed countries
C.
Western European countries
D.
Southern European countries
【单选题】The core of the European monetary system is()
A.
European exchange rate mechanism
B.
European monetary unit
C.
European monetary fund
D.
European central bank
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