My school life
Dear Sally
Nice to write to you again. Now let me tell you about my school life. I like to eat hamburgers chicken and vegetables at school. They are good for me. I play sports for about two hours every day. I often play tennis and
细菌、真菌和人一样，都需要氧气进行呼吸作用．（判断对错）
《中华人民共和国环境保护法》1983年问世．（判断对错）
