皮皮学，免费搜题
登录
搜题
【单选题】
已知M(NaOH)=40.00g/mol。配制0.1mol/L NaOH标准溶液的方法错误的是
A.
将NaOH配制成饱和溶液，贮于聚乙烯塑料瓶中，密封放置至溶液清亮，取清液5ml注入1升不含的水中摇匀，贮于无色试剂瓶中
B.
将4克NaOH溶于1升水中，加热搅拌，贮于磨口玻璃瓶中
C.
将4克 NaOH溶于1升水中，加热搅拌，贮于无色试剂瓶中
D.
将2克NaOH溶于500ml水中，加热搅拌，贮于无色试剂瓶中
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】What can we learn about the project from the news report?
A.
It occupies an area of 20,000 square kilometers.
B.
It is expected to take about three years ’ construction.
C.
It will serve as an education area for diplomats.
D.
It will be featured in American military history.
查看完整题目与答案
【单选题】Which is not true about the project proposed in Presidential Directive 54?
A.
The project is going to cost about $ 30 billion to build a new monitoring system.
B.
The project aims to share information between federal departments and private companies.
C.
The project will provide shield for networks of federal departments.
D.
The project is proposed to prevent hackers from stealing data from Pentagon.
查看完整题目与答案
【简答题】News about Project Hope has _________ a lot after the earthquake in various media.
查看完整题目与答案
【简答题】News about Project Hope has (发生;出现)a lot after the earthquake in various media.
查看完整题目与答案
【单选题】填制记账凭证时,要求有关人员逐一签章的目的是为了( )。
A.
明确经济责任
B.
手续齐全
C.
表明凭证的传递程序
D.
互相制约
查看完整题目与答案
【单选题】—Is there _________ _ in today’s newspaper？ —Yes, the top news is about H7N9.
A.
something new
B.
anything important
C.
everything interesting
D.
nothing serious
查看完整题目与答案
【单选题】I would appreciate _____ if you could tell me the latest news about the project. [     ]
A.
you
B.
it
C.
that
D.
/
查看完整题目与答案
【单选题】Learning  about Travel News and Sports News in China Daily his great interest ．
A.
． is        
B.
． are      
C.
． cause         
D.
． gives
查看完整题目与答案
【单选题】填制记账凭证时,要求有关人员逐一签章的目是为了( )
A.
明确经济责任
B.
手续齐全
C.
表明凭证的传递程序
D.
相互制约
查看完整题目与答案
【简答题】填制记账凭证时，要求有关人员逐一签章的目的是为了 (    ) 。 A ．明确经济责任 B ．手续齐全 C ．表明凭证的传递程序 D ．互相制约
查看完整题目与答案
相关题目：
【单选题】What can we learn about the project from the news report?
A.
It occupies an area of 20,000 square kilometers.
B.
It is expected to take about three years ’ construction.
C.
It will serve as an education area for diplomats.
D.
It will be featured in American military history.
查看完整题目与答案
【单选题】Which is not true about the project proposed in Presidential Directive 54?
A.
The project is going to cost about $ 30 billion to build a new monitoring system.
B.
The project aims to share information between federal departments and private companies.
C.
The project will provide shield for networks of federal departments.
D.
The project is proposed to prevent hackers from stealing data from Pentagon.
查看完整题目与答案
【简答题】News about Project Hope has _________ a lot after the earthquake in various media.
查看完整题目与答案
【简答题】News about Project Hope has (发生;出现)a lot after the earthquake in various media.
查看完整题目与答案
【单选题】填制记账凭证时,要求有关人员逐一签章的目的是为了( )。
A.
明确经济责任
B.
手续齐全
C.
表明凭证的传递程序
D.
互相制约
查看完整题目与答案
【单选题】—Is there _________ _ in today’s newspaper？ —Yes, the top news is about H7N9.
A.
something new
B.
anything important
C.
everything interesting
D.
nothing serious
查看完整题目与答案
【单选题】I would appreciate _____ if you could tell me the latest news about the project. [     ]
A.
you
B.
it
C.
that
D.
/
查看完整题目与答案
【单选题】Learning  about Travel News and Sports News in China Daily his great interest ．
A.
． is        
B.
． are      
C.
． cause         
D.
． gives
查看完整题目与答案
【单选题】填制记账凭证时,要求有关人员逐一签章的目是为了( )
A.
明确经济责任
B.
手续齐全
C.
表明凭证的传递程序
D.
相互制约
查看完整题目与答案
【简答题】填制记账凭证时，要求有关人员逐一签章的目的是为了 (    ) 。 A ．明确经济责任 B ．手续齐全 C ．表明凭证的传递程序 D ．互相制约
查看完整题目与答案