单项选择题

10% of the data was（）as unreliable.

A.disobeyed
B.disrespected
C.discarded
D.disguised

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单项选择题

According to Alans cover story，what is the different trait between a boss and most people？（）

A.Various temptations.
B.Huge fortune.
C.Heavy work.
D.Psychological risk factors.

单项选择题

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.