【简答题】下面所列方程属于二阶齐次线性微分方程的是( ) (1) (2) (3) (4) (5) (6)
【单选题】选择最佳答句 。 He short brown hair.
【单选题】He is short _____ short hair. [ ]
【简答题】阅读短文,在相应栏中打“√'。 My friend is Mike. He is a boy. He is tall and strong. He has short hair. He likes sports. Amy is my friend, too. She is a girl. She's short and thin. She has long hair. She likes pain...
【单选题】— What’s he _______? — He has short hair. [ ]
【简答题】读句子,画人物。 My friend is a boy. He's thin. He has short hair. He has a big nose and a big mouth. He has big eyes and ears.
【简答题】选择正确的译文。 1. 他梳着一头短发。 [ ] A. He has long hair. B. She has long hair. C. He has short hair. 2. 我的朋友喜欢运动。 [ ] A. My friend likes sports. B. My friend like sport. C. My likes sport. 3. 她有一对大耳朵。 [ ...
【多选题】下面所列方程属于二阶齐次线性微分方程的是( ) (1) (2) (3) (4) (5) (6)