【单选题】判断下列标准是属于什么类型的标准 正确的答案是(39)。
【简答题】根据句意和首字母提示填空,完成下列句子。 1. The car is worth m_______ of dollars. 2. His uncle is carrying out a r_______ on the cause of cancer. 3. Don't draw on the p_______ walls. 4. You don't understand me in the s__...
【简答题】是粒子的动能, 是它的动量,那么粒子的静能 等于 答案1: 答案2: 答案3: 答案4:A. 答案1B. 答案2C. 答案3D. 答案4
【简答题】有 个分子,其速率分布如图所示, 时分子数为 ,则: 答案1: 答案2: 答案3: 答案4:A. 答案1B. 答案2C. 答案3D. 答案4