皮皮学，免费搜题
登录
搜题
【单选题】
LCB处于 位,DCU的电源被切断A.
自动
B.
手动
C.
隔离
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】Every year, major storms cause many problems around the world. There is nothing people can do to stop these powerful forces of nature. But new techniques are helping scientists to predict how, when, a...
【简答题】As you know, there are many ways to find a job. It can be as easy as walking into a neighborhood store to look at its announcement board. Local stores often have areas where people can put small signs...