【单选题】Millions of Americans run to the bank or visit automated teller machines when they need cash. They use credit cards when they want to buy clothes, VCRs, or television sets. But there is an underclass-...
【单选题】These animals live in conditions similar to _____ existed millions of years ago, when animals began making the transition from water onto land. [ ]
【单选题】Millions of Americans run to the bank or visit automated teller machines when they need cash. They use credit cards when they want to buy clothes, VCRs, or television sets. But there is an underclass—...