皮皮学，免费搜题
登录
搜题
【单选题】
By 27 September 20X7 internal evidence had emerged suggesting that Dearing's machine was impaired. Which one of the following would be internal evidence of impairment?A.
The economic performance of the machine had declined
B.
There were legal and regulatory changes affecting the operating of the machine
C.
There was an unexpected fall in the market value of the machine
D.
New technological innovations were producing better machines
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】中国梦的深厚源泉和根本归宿在于（ ）。
【多选题】一个30页的PPT,如何设置能够不删减内容,只播放其中的10页内容。
A.
将需要播放的页面，都添加到自定义放映中。
B.
利用超级链接，跳过无关页面。
C.
将演讲中不需要用的页面隐藏
D.
用演讲者视图，只选择这10页给观众看。