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【判断题】
如果AX=0只有零解,则非线性方程组AX=b有唯一解。
A.
正确
B.
错误
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举一反三
【单选题】下列属于压力阀的元件是( )。
A.
液控单向阀
B.
溢流阀
C.
调速阀
D.
节流阀
【多选题】下列元件属于压力控制阀的是 。
A.
溢流阀
B.
减压阀
C.
顺序阀
D.
压力继电器
【单选题】Our classmates go to factories to learn skills .
A.
知识
B.
文化
C.
技能
【单选题】There are four factories in our institute, _______.
A.
with which having over 100 workers
B.
each having over 100 workers
C.
which there are over 100 workers
D.
with each that has over 100 workers
【单选题】诗题“三衢道中”是什么意思?
A.
在去三衢州的道路上。
B.
在一个名叫三衢的道观中。
【单选题】There are four factories in our institute, ____________.
A.
while each having over 100 workers
B.
each having over 100 workers
C.
which there are over 100 workers
D.
with each that has over 100 workers
【单选题】Our town has dozens of factories, ____ several sawmills.
A.
included
B.
are including
C.
are included
D.
including
【判断题】如果出现进度偏差的工作位于关键线路上,则对后续工作和总工期都将会产生影响。
A.
正确
B.
错误
【单选题】诗题“三衢道中”是什么意思?( ) A在去三衢州的道路上 B在一个名叫三衢的道观中
A.
在去三衢州的道路上
B.
在一个名叫三衢的道观中
【单选题】What did you think _________ our factories?
A.
at
B.
to
C.
in
D.
of
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