单项选择题

The potential for hazardous weeds developing from genetically-modified plants is greatest for ______.

A．agricultural crops grown for their content
B．crops' that are closely related to their weeds
C．areas in which cross-breeding is kept to a minimum
D．crops who rely on herbicides and pesticides for effective harvests
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单项选择题
According to the passage, Piaget and Keasey would have agreed on all the following points except ______.
A．the intentions children have in perpetrating harm
B．the circumstances under which children punish harmful acts
C．the kinds of excuses children give for harmful acts they commit
D．the age at which children begin to discriminate between intentional and unintentional harm
单项选择题
According to the passage, Keasey's findings support which of the following conclusions about six-year-old children
A．Justifying harmful actions that result from provocation.
B．Differentiating between foreseeable and unforeseeable harm.
C．Recognizing the difference between moral absolutism and moral autonomy.
D．Evaluating the magnitude of negative consequences resulting from the breaking of rules.
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