[免费作业] More and more people like bicycling and it is no surprise. I 日期：2022-12-11 22:13:45 点击：177 好评：0
4: More and more people like bicycling and it is no surprise. It is fun, healthy and good for the environment. Maybe that’s why there are 1.4 billion bicycles and only 400 million cars on roads worldwide today. Bikes can take you almos...
[免费作业] ---He can swim. 日期：2022-12-11 22:12:39 点击：169 好评：0
24: ---He can swim. ---_______ . A: So I can B: So can I C: I so can D: Can I so ...
[免费作业] He excited at the good news 日期：2022-12-11 22:11:35 点击：104 好评：0
2: He excited at the good news A: look B: appears C: disappear D: feel ...
[免费作业] When my son, Mark, was in the third grade, he saved all his 日期：2022-12-11 22:10:38 点击：70 好评：0
4: When my son, Mark, was in the third grade, he saved all his pocket money for over three months to buy holiday presents. The third Saturday in December Mark said he had made his list and had twenty dollars in his pocket. I drove ...
[免费作业] -- What are you going to do next Sunday? --_____________. 日期：2022-12-11 22:09:32 点击：156 好评：0
14: -- What are you going to do next Sunday? --_____________. A: I' m sorry B: Here you are C: I' ve no idea D: That' s all right ...
[免费作业] 某卡诺热机，低温热源温度为27°C，效率为40%。其高温热源的温度 日期：2022-12-11 22:08:18 点击：157 好评：0
19: 某卡诺热机，低温热源温度为27°C，效率为40%。其高温热源的温度为T； 若想将效率提高到50%且保持低温热源的温度不变，高温热源的温度需增加ΔT则有： A: T = 600K；ΔT = 100K B: T = 500K；ΔT = 200K C: T = 500K；ΔT = 200K D: T = 500K；ΔT =...
[免费作业] 在互联网上播放的Flash动画最合适的帧频率应设置为（ ），这也 日期：2022-12-11 22:06:10 点击：143 好评：0
5: 在互联网上播放的Flash动画最合适的帧频率应设置为（ ），这也是Flash本身默认的帧频。 A: 30帧/秒 B: 24帧/秒 C: 12帧/秒 D: 8帧/秒 ...
[免费作业] 在Photoshop中，“磁性套索”工具中的参数“频率”是指 日期：2022-12-11 22:04:59 点击：104 好评：0
7: 在Photoshop中，“磁性套索”工具中的参数“频率”是指 控制磁性套索工具添加节点的速度。 A: 错误 B: 正确 ...
[免费作业] 采样精度决定了模拟信号数字化以后的动态范围，若以16位量化，则 日期：2022-12-11 22:03:53 点击：78 好评：0
2: 采样精度决定了模拟信号数字化以后的动态范围，若以16位量化，则其波形的幅值可分为256份。 A: 错误 B: 正确 ...
[免费作业] 下图表示补间动画创建成功。 日期：2022-12-11 22:02:45 点击：94 好评：0
7: 下图表示补间动画创建成功。 A: 错误 B: 正确 ...
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