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标准普尔500指数期货合约的交易单位是每点指数乘数250美元。某投机者3月20日在1250.00点位买入3张6月份到期的指数期货合约,并于3月25日在1275.00点位将手中的合约平仓。在不考虑其他因素影响的情况下,该投资者的净收益是( )美元。
阅读mRNA密码子的方向是()
海洋测绘的任务.
1970年,由S•克罗克领导的网络工作小组着手制定最初的主机对主机的通信协议。这个协议被称作(),它是被用来控制网络信号传输的。
与其它同类日志文件系统相比,ext3具备的独特优势是()。
下列书院中,在明代名声最大,影响最广的是()。
提入票据复核与入账的风险表现是哪一个()
男性,52岁。5小时前右上腹部挤压伤。查体:中上腹及背部压痛。尿检查正常。X线检查脊柱正常,膈下未见游离气体。腹膜后有少量积气。诊断首先要考虑为()
男孩,5岁,头面颈、双上肢热水烫伤,入院时哭闹,心率150次/分,血压听不清;局部创面分布于头颈、双上肢、双手,布满大小不等水疱,部分表皮脱落处创面潮红、渗出较多。患儿上肢创面最佳处理方法。()
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