<正>1. Selecting a mobile phone for personal use is no easy taskbecause technology_so rapidly. (NMET 2001)A. is changing B. has chagnedC.will have changed D.will change2.1_ping-pong quite well, but I haven't had time toplay since the new year. (NMET 2001)A. will play B. have playedC. played D. play3. Visitors_not to touch the exhibits. ( NMET 2001)A. will request B. requestC. are requesting D. are requested4. In such dry weather, the flowers will have to be watered if they_. (2001年高考上海试题)