酗酒和吸烟对人体的健康可能有哪些危害?
鱼能够在水中生活,有两个特点至关重要:一是能靠____来获取食物和防御敌害,二是能够在水中____。
September 4 was my first day at Phillips Academy,my new school.It was also my 18th birthday.
I received a warm (1) from my host family—the Steins.Gena was my host mum,and her daughter Lily would also be a new