—Hello, may I speak to Sam , please ?
—______ .
A:Who are you ?
B:What’s wrong ?
C:This is Sam speaking.
D:He is Sam.
①遇事主动与父母商量,聆听父母建议 ②理解父母,和父母有效交流和沟通
③对父母的话绝对服从 ④以良好的心态面对家庭发展中的问题
染色体存在于细胞的( )
Food is very important to our health. Everyone needs to eat well if he or she wants to have a strong body.Our minds, like our bodies, always need the best food. This kind of food is knowledge. We start getting knowledge when we are very young.