皮皮学，免费搜题
登录
搜题
【单选题】
某种产品发生不可修复废品后,如果有回收的废料,将会使该种产品的 ( ) 。A.
总成本降低,单位成本增加
B.
总成本增加,单位成本降低
C.
总成本与单位成本同时增长
D.
总成本与单位成本同时降低
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】．On Sunday he denied all knowledge of it, but on the __________ day he’d admitted to me that he knew all about it.
A.
previous
B.
former
C.
original
D.
primitive
【单选题】He admitted that he had ______ killed his wife, but denied that he had murdered her in cold blood.
A.
accidentally
B.
deliberately
C.
mercilessly
D.
occasionally
【单选题】He was so accustomed______untidiness that he would probably have denied its existence.
A.
in
B.
on
C.
to
D.
with
【单选题】在Android系统的分层架构中,为Android应用程序开发提供应用程序接口(API) 的一层是
A.
Linux 内核层
B.
系统运行库层
C.
应用程序框架层
D.
应用程序层
【单选题】压力水柜水压为 0.3MPa ,其水位比水舱水位高 8m ,其供水泵排压 0.4MPa ,吸压 -0.05MPa ,则该泵管路阻力约为 。
A.
． 2m
B.
． 7m
C.
． 12m
D.
．都不对
【单选题】压力水柜水压为 0.3Mpa ,其水位比水舱水位高 8m ,其供水泵排压 0.4Mpa ,吸压 -0.05Mpa ,则该泵管路阻力约为
A.
2m
B.
7m
C.
12m
D.
都不对
【简答题】简述体液电解质的含量及其分布特点
【单选题】The suspect ______ that he had assaulted a woman.
A.
refused
B.
rejected
C.
declined
D.
denied
相关题目：