单项选择题
Many a child ______ killed in that car accident.
A.is
B.are
C.was
D.were
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Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do the job, the equipment used, and the conditions under which the job is performed.
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单项选择题
What does the passage mainly discuss
A.Colonial marriages.
B.The Puritan religion.
C.Colonial women’s employment.
D.Education in the colonies.
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