He had expected gratitude for his disclosure, but instead he encountered ______ bordering on hostility.

单项选择题Although Simpson was ingenious at ______ to appear innovative and spontaneous, beneath the ruse he remained uninspired and rigid in his approach to problem-solving.

单项选择题The form and physiology of leaves vary according to the ______ in which they develop : for example, leaves display a wider range of adaptations to different degrees of light and moisture.