智慧职教: A moving body continues ________ if a body acts upon it.
举一反三
- ____ , the direction in which the body is moving is also important.
- The control volume is（ ） A: A system of a certain mass B: Space body with changed position and shape C: Fixed space body D: Space body with constant shape and moving position
- Usually, our body language acts () further emphasize our words
- 智慧职教: 一个HTML文档只能含有一对body标签，且body标签必须在html标签内。
- 智慧职教: 下面哪项属于<body>标记的属性。