In constructing, therefore, a snare of radiating and concentric lines, it seems that a spider economizes both time and silk and in addition renders the web as strong and as serviceable and yet as delicate and invisible as possible. [Please select]
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Since "Mother Nature" seems to want maggots to develop rapidly, tell how she economizes in energy and material when forming them. [Please select]
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When the worker has herself bored the channel, she economizes her space: she knows how costly it is. [Please select]
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She economizes her strength when restoring an old nest; she economizes it when replacing the Snail-shell by the reed. [Please select]
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The German economizes even in these small matters. [Please select]
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Woman guards the health and life of the household, hoards the stores of the family, and economizes the surplus strength of her husband, father, or son. [Please select]
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However, since it gets us to New York safely and economizes hours of day travel, it is a blessing for which we should be grateful. [Please select]
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