皮皮学,免费搜题
登录
搜题
【单选题】
含硫巴比妥可与吡啶和硫酸铜溶液作用生成:
A.
绿色络合物
B.
紫色络合物
C.
白色胶装沉淀
D.
红色溶液物
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】A.Thanks to the few eggs the monk took Out of China secretly. B.Thanks to the few eggs the Chinese gave the two monks. C.Thanks to the bamboo canes the monks carried out of China. D.Thanks to the disc...
【单选题】曲面精铣加工前一般都采用多次粗加工,第一次粗加工的作用是()
A.
减少后续加工的工作量
B.
减少后续加工的刀具的切削负荷
C.
使后续加工得余量均匀
D.
没有特殊意义
【单选题】Don't stand__________the tree while it is raining. [     ]
A.
below
B.
on
C.
in
D.
under
【简答题】Why do people lie less in e-mail messages than confronting with each other according to Hancock's speculation?
【单选题】The cabdrivers play the messages again and again because______.
A.
they are willing to do so
B.
they do not want to pay a fine
C.
the passengers ask them to do so
D.
the voice of the messages is cheerful
【简答题】. It took him a few hours ________ English  while I  spent a few hours _____ Chinese. A  reading , to read   B to read , reading   C read ,read  D reads ,reading
【单选题】下列哪项在产品配方中不涉及食品安全危害?()
A.
水分活度
B.
苯甲酸钠
C.
蛋白含量
D.
柠檬酸含量
【单选题】Don't stand _______.
A.
in the way
B.
on the way
C.
on it's way
D.
in this way
【单选题】下列关于文件操作测试的说法中正确的是( )。
A.
“打开文件”功能如果是调用Win32 API实现的,则不需要对打开文件功能进行测试
B.
“保存文件”功能如果是调用Win32 API实现的,则不需要对保存文件功能进行测试
C.
“打印”功能如果是调用Win32 API实现的,则不需要对打印功能进行测试
D.
“打开文件”、“保存文件”和“打印”功能如果是调用Win32 API实现的,也要对这些功能的很多方面进行测试,例如打开一个只读的文档等
【单选题】How do objects pass messages in Java?()
A.
They pass messages by modifying each other’s member variables
B.
They pass messages by modifying the static member variables of each other’s classes
C.
They pass messages by calling each other’s instance member methods
D.
They pass messages by calling static member methods of each other’s classes.
相关题目: