A：位移
B：重力
C：动能
D：加速度
Brown made his mind work hard to learn computer technology.
植物生长素促进植株生长的主要原因在于（ ）
完型填空。
I am 1English boy. My 2is Mike. I am twelve. My sister's name is Ann and we are students. My mother3a teacher. She's a Chinese teacher. My brother's name is Jim. He's five.4 father isn't here. He's 5Xinjiang. I think my family is a good one.
下面漫画现象中的主人公如果是你同学，你认为用下列哪些观点劝诫他比较好（ ）
①自立自强 ②扶贫济困
③无私奉献 ④勤俭节约
