[单项选择]It was essential that the application forms ______ back before the deadline.
A. must be sent
B. would be sent
C. be sent
D. were sent

[单项选择]It is essential that these application forms ______ back as early as possible.
A. must be sent
B. will be sent
C. are sent
D. be sent

[单项选择]It was essential that the application forms ______ back hefore the deadline.
A. must be sent
B. would he sere
C. be sent
D. were sent

[单项选择]Although all application forms demand the same basic information, ______.
A. different companies may have different requirements
B. different companies may take the same attitude towards them
C. application may be required to answer all the questions in detail
D. application may have to send in the forms by person

[单项选择] You are developing a Windows Forms application that contains a DataGridView control. The DataGridView capture the customer's name, address, and phone number. You have been asked to provide data validation in a DataGridView to prevent users from leaving the.. You need to ensure that users cannot tab out of the name field without entering data What should you do ?（）
A.  Validate the name field in the CellValidating event. Set e.Cancel = true if the name field is
B.  Validate the name field in the CellErrorTextChanged event. Get e.RowIndex if the name field ..
C.  Validate the name field in the CellEnter event. Set the focus on the name field if the name ...
D.  Validate the name field in the CancelRowEdit event. Set the focus on the name field if the name ...

[单项选择]It is essential that this application form ______ as soon as possible.
A. being returned
B. be returned
C. to be returned
D. will be returned

[单项选择]It is essential that your application form______back before the deadline.
A. be sent
B. sent
C. send
D. must be sent

[单项选择] You create an application. The application processes hundreds of XML documents per minute. The XML documents are validated against inline schemas.You need to load XML documents from the file system and read them as quickly as possible. XML comments must be ignored while reading the XML documents. What should you do?（）
A. Create an instance of the XmlReader class by using the XmlReader Create method with an instance of the XmlReaderSettings class.
B. Create an instance of the XmlReader class with an instance of the XmlTextReader class.
C. Create an instance of the XmlDocument class and specify a location for the application schema.
D. Create an instance of the XmlReader class with an instance of the XmlNodeReader class.

[单项选择]You develop a Web application. Your application contains two settings in the Web.config file. You deploy your application to production. You need to modify the application settings in the production environment without manually editing the XML markup in the Web.config file. What should you do? （）
A. Modify the application settings by using the Web Site Administration Tool.
B. Modify the application settings by using the Visual Studio property page editor for the project.
C. Modify the application settings by using the resource editor.
D. Modify the application settings by using the Visual Studio start options editor.

[单项选择]The essential distinction between a truthful person and a liar lies in the fact that ______.
A. the former feels uneasy about the untruths he happens to tell
B. the latter takes great care to hinder his untruths from being exposed
C. the former is willing to confess his untruthfulness when he tells a lie
D. the latter is only amazed if his untruths area disclosed

[单项选择]The essential function of photosynthesis in terms of plant needs is ______.
A. to form sugars
B. to derive energy from light
C. to preserve water
D. to combine carbon dioxide with water

[单项选择]The essential elements of science fiction include
A. a narrator, a plot, environment
B. a story, surroundings, heroes
C. a narrator, a story, theme
D. a narrator, a story, a plot, character, setting, language

[单项选择]Modern forms of transportation and communication have done much to ______ the isolation of life in Alaska.
A. break down
B. break into
C. break out
D. break through

[单项选择]Application＿OnStart事件和Application＿OnEnd事件的处理过程必须写在（）。
A. 和之间
B. 和之间
C. 之间
D. gobal.asa中

[单项选择]The room was furnished with the simplest essentials, a bed, a chair, and a table.
A. supplied
B. gathered
C. grasped
D. made

[单项选择]Some people claim that nuclear energy is essential because______.


A. it can meet the growing demand of an industrially developing society
B. it represents an enormous step forward in our scientific evolution
C. it provides a perfect solution to mass unemployment
D. nuclear power stations can be run and maintained by relatively few technical and administrative staff