利克特的“工作中心”“员工中心”理论不提倡员工参与管理。()
According to the passage, American Muslims are
A. concerned about politics.
B. rich and solid.
C. hostile and terroristic.
D. educated and promising.
Learning from past failures, researchers realized the importance of
A. putting some inexpensive sensors in stoves.
B. focusing on how stoves are actually used.
C. cooperating with mobile-phone companies.
D. possessing laboratory data about how stoves work.
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