皮皮学，免费搜题
登录
搜题
【单选题】
设备的工作精度检验,必须在设备的( )完成的前提下进行的。A.
负荷试验，动负荷试验
B.
空运转试验，负荷试验
C.
静负荷试验，负荷试验
D.
动负荷试验，静负荷试验
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】在中国的农历里,一年分为四季,每季又分为孟、( )、季三个部分。
【多选题】发展红色旅游,对于 ( )等具有重要的现实意义和深远的历史意义。(题库2019)
A.
加强革命传统教育
B.
增强全国人民特别是青少年的爱国情感
C.
弘扬和培育民族精神
D.
践行社会主义核心价值观
E.
带动革命老区经济社会协调发展
【简答题】Mr. White is sy years old. He has been staying at home since he retired. Last year his wife 41 .He was very sad. He has four children, but they all have their own families. Now he lives in an old...
【单选题】He has been staying at home days.
A.
these all last few
B.
these last few all
C.
these last all few
D.
all these last few
【单选题】He has been staying at home ____days
A.
these all last few
B.
these last few all
C.
all these last few
D.
these last all few
【单选题】He___ have attended the meeting this morning. He has been staying at my home for a whole day.
A.
can’t
B.
mustn’t
C.
shouldn’t
D.
needn’t
相关题目：