A、can remember other rats’facial features.；B、differentiate smells better than sizes.；C、respond more to actions than to looks.；D、can be scared by a pla……｜04-25

  A、tried to practice a means of escape.；B、expected it to do the same in return.；C、wanted to display their intelligence.；D、considered that an interestin……｜04-25

  A、It followed the social robot.；B、It played with some toys.；C、It set the trapped rats free.；D、It moved around alone.…｜04-25

  A、pick up social signals from non-living rats；B、distinguish a friendly rat from a hostile one；C、attain sociable traits through special training；D、send……｜04-25

  A、hide；B、emerge；C、withdraw；D、escape…｜04-24

  A、trying；B、changing；C、exciting；D、surprising…｜04-24

  A、terrible；B、hard；C、strange；D、wrong…｜04-24

  A、cheated；B、defeated；C、confused；D、confronted…｜04-24

  A、nature；B、secret；C、importance；D、context…｜04-24

  A、time；B、bond；C、race；D、cool…｜04-24

  A、raise；B、affect；C、justify；D、reflect…｜04-24

  A、like；B、miss；C、believe；D、regret…｜04-24