皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
某燃料电池的反应为 H 2 +1/2O 2 (g) → H 2 O(g), 在 298K 时△ r H m 和△ r S m 分别为 -251.6 kJ · mol -1 和 -50kJ · K -1 · mol -1 ,则该电池的电动势为
A.
1.2 V
B.
2.4 V
C.
1.4 V
D.
2.8 V
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】I’ll discuss it with you ____ you like to come.
A.
when
B.
where
C.
whoever
D.
whenever
【单选题】临床上有部分肾病综合症的患者会因为血浆蛋白显著减少而引起水肿,其主要原因为
A.
血浆晶体渗透压降低
B.
毛细血管血压升高
C.
血浆胶体渗透压降低
D.
组织液静水压升高
E.
有效滤过压减小
【单选题】W: Hi, tom. Can I have a talk with you? M: Sure. Take a seat. W: Well. I really think I should have a pay-rise. M: How long have you been hear? W: Five years, and I’m now taking more responsibilities....
A.
To send an email to the general manager.
B.
To give the woman more responsibilities.
C.
To offer the woman a training opportunity.
D.
To discuss the matter with the HR manager.
【多选题】以下哪几项是央行可以使用的货币政策工具?
A.
社会保险
B.
公开市场业务
C.
优惠税率
D.
法定准备金率
E.
央行基准利率
【单选题】查看目录/bin的内容指令正确的是
A.
cd /bin
B.
ls/bin
C.
ls /bin
D.
cal /bin
【单选题】W: Hi, tom. Can I have a talk with you? M: Sure. Take a seat. W: Well. I really think I should have a pay-rise. M: How long have you been hear? W: Five years, and I’m now taking more responsibilities....
A.
Two years.
B.
Three years.
C.
Five years.
D.
Eight years.
【简答题】CMB(China Merchants Bank)
【判断题】、风险回避型的企业倾向于保留大量的现金余额,以应付其交易性需求和大部分预防性资金需求。( )
A.
正确
B.
错误
【简答题】关于双代号网络计划和单代号网络计划中关键路线的表述,错误的是 ( )。
【单选题】具有5‵→3‵核酸外切酶活性是
A.
DNA-pol Ⅰ
B.
DNA-pol Ⅲ
C.
DNA-pol α
D.
DNA-pol δ
E.
DNA-pol γ
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题