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搜题
【单选题】
两直线3x+y-3=0与6x+my+1=0，则它们之间的距离为（ ）A.
4
B.
2 13 13
C.
5 13 26
D.
7 10 20
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】中压容器设计压力在( )
A.
O.98≤p<1.2MPa< /div>
B.
1.2MPa≤P≤1.5MPa
C.
1.568MPa≤p<9.8MPa< /div>
D.
1.568MPa≤P≤9.8MPa
【单选题】Despite the fact that he has lived in China for many years, Mark still can not______ himself to the Chinese customs.
A.
adapt
B.
account
C.
adopt
D.
accept
【单选题】Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs.
A.
apply
B.
admit
C.
adapt
D.
accept
【单选题】Mark Twain lived in ___________
A.
17 th century
B.
18 th century
C.
19 th century
D.
20 th century
【单选题】中压容器设计压力在（）
A.
0.98MPa≤P＜1.2MPa
B.
1.2MPa≤P≤1.5MPa
C.
1.568MPa≤P＜9.8MPa
D.
1.568MPa≤P≤9.8MPa
【单选题】中压容器设计压力在( )
相关题目：
【单选题】中压容器设计压力在( )
A.
O.98≤p<1.2MPa< /div>
B.
1.2MPa≤P≤1.5MPa
C.
1.568MPa≤p<9.8MPa< /div>
D.
1.568MPa≤P≤9.8MPa