皮皮学,免费搜题
登录
搜题
【单选题】
以下四种钢的结构组织中哪种硬度最高?( )
A.
铁素体
B.
渗碳体
C.
奥氏体
D.
珠光体
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】要定义一个事务,需要使用( )命令。
A.
Commit
B.
Begin tran
C.
Rollback
D.
Start tran
【单选题】Defenders of special protective labor legislation for women often maintain that eliminating such laws would destroy the fruits of a century-long struggle for the protection of women workers. Even a br...
A.
Women workers were compelled to leave their jobs in factories.
B.
Many employers had difficulty in providing jobs for returning veterans.
C.
Many employers found it hard to attract women workers.
D.
The health of most women factory workers improved.
【单选题】If the engine can be started and maneuvered on high viscosity fuel, the ______ of the fuel reaching the injectors should be raised to such a point that the viscosity is less than the required value, i...
A.
pressure
B.
temperature
C.
viscosity
D.
density
【简答题】high density fuel oil
【判断题】废旧电池是危险有毒废物。()
A.
正确
B.
错误
【单选题】股东权益报酬率是杜邦分析体系中综合性最强、最具有代表性的指标,通过杜邦分析体系分析可知,提高股东权益报酬率的途径不包括( )。
A.
加强销售管理,提高销售净利率
B.
加强资产管理,提高总资产周转率
C.
加强负债管理,降低资产负债率
D.
加强负债管理,提高产权比率
【简答题】Women's magazines are often __________ to be superficial, but we know that isnot true. A) treated B) perceived C) graduated D) interested
【判断题】废旧电池不是危险有毒废物。()
A.
正确
B.
错误
【单选题】風邪のときは この薬を( )ください。
A.
のりて
B.
のんで
C.
のって
D.
のむで
【简答题】铁铵矾指示剂法测 Cl - 时,快到终点时,应避免() 。否则, AgCl 沉淀转化为() 沉淀,使溶液中 SCN - 的浓度降低,促使生成的() 又分解,红色褪去。所以会多消耗一些 NH 4 SCN 滴定液,必然引起一定的误差。
相关题目: