【单选题】小明用录音机程序录制了一段自己弹奏的钢琴曲,想作为个人网站的背景音乐,但文件为WAV格式,数据量很大。下列选项中,可以把这段乐曲压缩的软件是
【简答题】简述劳动安全卫生管理制度包括哪些具体制度?
【单选题】Pancake and syrup _______ a tasty breakfast.
【简答题】简述劳动安全卫生管理制度包括哪些具体制度?(12分)
【简答题】阅读短文,选择正确答案。 Popular breakfast foods in the United States, as in many other countries around the world, include coffee, milk, juice, eggs and bread. Some other breakfast items served in the United Sta...