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【单选题】
若已知工质的表压力Pg=0.07Mpa,环境压力Pa=0.1Mpa。则工质的绝对压力为( )。
A.
0.03Mpa
B.
0.17Mpa
C.
0.07Mpa
D.
0.1Mpa
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举一反三
【单选题】"When will you come to see me, Dad?" "I will go to see you when you _______ the training course." A. will have finished B. will finish C. are finishing D. finish
A.
a
B.
b
C.
c
D.
d
【简答题】When dad finished _______ we discovered we use no firewall. (upload)
【单选题】根据供水水质要求不同所建设的给水系统,称为( )
A.
分压给水系统
B.
统一给水系统
C.
分区给水系统
D.
分质给水系统
【简答题】同一条航线内相邻像片之间的影像重叠称为(),一般在()以上。相邻航线的重叠称为(),重叠度要求在()以上。
【简答题】同一条航线内相邻像片之间的影像重叠称为(),一般在()以上。相邻航线的重叠称为(),重叠度要求在()以上。
【简答题】David came from a poor family. When he finished his high school, however, he was given a wonderful present. “Some of my friends got new clothes and a rich boy even got a new car,” he remembered, “My d...
【单选题】根据供水水质要求不同所建设的给水系统,称为()
A.
分压给水系统
B.
统一给水系统
C.
分质给水系统
D.
分区给水系统
【单选题】May I watch TV ,Dad? When your homework is finished,you———
A.
should
B.
can
C.
must
D.
need
【单选题】默认值为.F.的变量,其数据类型是()
A.
数值型
B.
字符型
C.
逻辑型
D.
日期型
【简答题】阅读理解 David came from a poor family. When he finished his high school, however, he was given a wonderful present. 'Some of my friends got new clothes and a rich boy even got a new car,' he remembered, ...
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