皮皮学，免费搜题
登录
搜题
【单选题】
某企业有一台高精度磨床，价值为20000元，使用年限为10年，目前已使用2年。这时由于生产该种设备的劳动生产率提高，所需社会必要劳动时间减少，其价值降为15000元。此时，这台高精度磨床的物质磨损是A.
1000元
B.
2000元
C.
3000元
D.
4000元
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
【单选题】Some people are too vain. _________ they are worried/they worry too much about their appearance.
A.
like
B.
as
C.
For instance,
D.
an example of
【单选题】Some people are too particular about school records, insisting that every applicant ______ all diplomas from elementary to university.
A.
has
B.
will have
C.
should have
D.
must have
【简答题】自动节律性(auto-rhythmicity)
【简答题】Some people are too particular about school records，insisting that every applicant __________ all diplomas from elementary school to university. A．has B．will have C．should have D．must have
【单选题】Some people are too particular about school records, insisting that every applicant ______all diplomas from elementary school to university.
A.
has
B.
will have
C.
should have
D.
must have
【单选题】Some people are too shy to say a word in public, ____ aren’t.
A.
another
B.
the other
C.
others
D.
the others
【简答题】自动节律性：（名词解释）
相关题目：