第19题:[单选题]亲密的距离是指交流双方相距( ) A.小于50cm B. 50cm~l m C. 1.3~ 4 m D. 5~6m E. 10~20 m 参考答案:A
第20题: [填空题]The British scientist Leon Baggrit foresaw a time when computers would be small enough to hold in hand and when computers would be used to help doctors to diagnose and so on. 参考答案:计算机可以小到拿在手上