【简答题】Hi, Nancy, How are you? I’m having some problems at the new school. I want to make new friends, but I don’t know how. You know, I’m a quiet and shy girl. It’s hard for me to say hello to strangers. Wh...
【简答题】D For millions of years, animals have communicated in countless ways — from giving off chemical signals, to performing complex dances. Humans, on the other hand, have the ability to communicate using ...