期货交易所一般实行（ ）
合约制
会员制
期货制
合同制
期货交易所是专门进行期货合约买卖的场所，一般实行会员制
Passage One Computers should be in the schools. Theyhave the potential to accomplish great things. With the right software, theycould help make science tangible or teach neglected topics like art and music.They could help
