The three features of the Internet are___、 ___、and ___. A: decentralization B: delayering C: self-organization D: other-organization

The seats are___ to the winners who have won the most votes. A: allotted B: placed C: put D: applied

The Earth’s natural resources are___, so we must take effective measures to conserve them. A: depleting B: deleting C: deflating D: Deepening