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【单选题】
The computer is a useful machine. It is the most important invention in many years. T he oldest kind of computer is the abacus( 算盘 ), used in China centuries ago, but the first large, modern computer was built in 1946. A computer then could do maths problems quite fast. Today computer are used in many way and can do many kinds of work. In a few years the computer may touch the life of everyone, even people in faraway villages. In the last few years, there have been great changes in computers. They are getting smaller and smaller, and computing faster and faster , Many scientists agree that computers of tomorrow will be like? Will computers bring good things or bad things to people? The scientists of today will have to decide how to use the computers of tomorrow. 47. The computer is a _______ machine.A.
helpful
B.
strange
C.
large
D.
dangerous
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【单选题】假设客户提交市值100万元的股票A作为进行融资融券交易的担保物,折算率为70%,融资保证金比例为0.5,则客户可以融资买入的最大金额为()。本例中客户的佣金及融资利息、融券费用均忽略不计。
A.
200万元
B.
50万元
C.
140万元
D.
70万元
【单选题】对于生产企业而言，销售物流是（ ）。
A.
物流系统的设立应充分考虑一定商圈内店铺运营的需要
B.
生产企业厂外的销售物流部分、一般由第三方物流企业完成
C.
从产成品下线，分为车间到配送中心、配送中心到客户的这几个阶段和过程
D.
由于消费者对反应时效的要求越来越高，物流的规划中应着重考虑反映能力和灵活性
【简答题】自然旅游资源以五大自然生态领域为对象即:( )、( )、( )、( )、( )作为地学旅游资源环境背景。
【单选题】假设客户提交市值100万元的股票A作为进行融资融券交易的担保物，折算率为70%，融资保证金比例为0.5。客户融资买入50万元的股票B，则保证金可用余额为（）。本例中客户的佣金及融资利息、融券费用均忽略不计。
A.
20 万元
B.
70 万元
C.
45 万元
D.
50 万元
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