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【单选题】
已知等差数列 的通项公式为 , 则它的公差为A.
B.
C.
2
D.
3
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皮皮学刷刷变学霸
举一反三
【单选题】__ the new technology into the factory was not an easy job.
A.
Introducing
B.
Introduce
C.
Having introduced
D.
To have introduced
【单选题】Production at the factory was________for two hours because there was no electricity. [ ]
A.
interrupted
B.
disturbed
C.
missed
D.
lost
【简答题】The water in the river (pollute) ______ since the factory was put into production.
【单选题】The _______ cause of laying off skilled workers in the factory was bad management.
A.
negative
B.
negligible
C.
prevalent
D.
prime
【单选题】The workers were made when the factory was restructured.
A.
redundancy
B.
redundant
C.
layoff
D.
lay off
【简答题】The instruction of 'live in the moment' in yoga class is hard to achieve because humans have the memory of the past.
【单选题】After the explosion, the factory was a ______of total confusion.
A.
situation
B.
scene
C.
view
D.
show
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