皮皮学,免费搜题
登录
搜题
【单选题】
化学反应:2A + B →C + 2D,其中20 g A和10 g B恰好完全反应,生成5 g C,假设物质C的摩尔质量为M克/摩尔,D的摩尔质量N克/摩尔,则N与M的关系是
A.
N=2/5M
B.
N=5M
C.
N=5/2M
D.
N=M
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】Netherlands is famou for ____.
【单选题】According to the advertisement, what is NOT indicated about the tour?
A.
The region is famous for its sun and surf.
B.
The deals mentioned are not the only ones available.
C.
The costs listed are inclusive of all meals.
D.
The accommodations have already been arranged.
【单选题】The speaker is named “Magic” Johnson because_________ .
A.
he was once a famous basketball coach
B.
he was a happy survivor of the unhappy disease
C.
he was given chance to talk of his own experience
D.
he was a very practical and realistic person in life
【单选题】在心脏射血期内,心脏瓣膜的开闭情况是
A.
动脉瓣开、房室瓣开
B.
动脉瓣关、房室瓣关
C.
动脉瓣开、房室瓣关
D.
动脉瓣关、房室瓣开
【单选题】在心脏射血期内,心脏瓣膜的开闭情况是
A.
动脉瓣开、房室瓣开;
B.
动脉瓣关、房室瓣关;
C.
动脉瓣开、房室瓣关;
D.
主动脉瓣开放、肺动脉瓣关闭;
E.
动脉瓣关、房室瓣开;
【单选题】Longjing tea comes from Hang Zhou, which is ____  for it. [    ]
A.
likely
B.
lovely
C.
interested
D.
famous
【单选题】在心脏射血期内,心脏瓣膜的开闭情况是
A.
动脉瓣开、房室瓣开;
B.
动脉瓣关、房室瓣关;
C.
动脉瓣开、房室瓣关;
D.
动脉瓣关、房室瓣开;
E.
主动脉瓣开放、肺动脉瓣关闭;
【判断题】霍兰德的人格——工作适应论提出工作满意度与离职倾向取决于人格与工作的匹配度。当人格与岗位匹配程度较高时,员工的工作满意度较高且离职率更低。
A.
正确
B.
错误
【简答题】With the name of 'Mountain of Brightness' and more than 100 temples, Mount Emei is a famous ______.
【简答题】单词拼写(10%) 1. To be honest, a lot of people a__________great importance to becoming rich and famous. 2. When scientisits i____________the bones, they were surprised to find that these dinosaurs could n...
相关题目: