Ithasbeenfoundthatastrong________helpovercometheeffectsofdistraction.
B
A 打扰、中断 B 动机、诱因 C 评估、评价 D 目的地、终点
Itisvitalthatthework_______intime.
Theprofessorworkedfor7hoursata________.
Thevehiclewastravelingatspeeds________90milesperhour.
Thestudentsarerequiredto________themainideasofthearticleintheirownwords.
Neverbefore_______sorapidlydevelopingasitistoday．
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