The field coils（） and the armature is（）This is in fact the a

第1题：

第2题：

Which of the following statements is NOT true?（）

AThe open field system provided a good opportunity to experiment.

BThe open field system wasted land.

CThe open field system was wasteful of labor and time.

DThe open field system made livestock farming difficult.

第3题：

第4题：

jim has created a field hint for the address field. Users tell him this text disappears when they click in the address field. which one of the following is most likely reason?（）

• A、 the address field is computed 
• B、 jim should have used a text popup       
• C、 jim stored the field hint in the database    
• D、 field hint only display when the user has not clicked in the field （field hint）

第5题：

Yuri created a formula for a button. The code is supposed to set the value of an existing field called title. He used the following formula: title:= @propercase (title); after the foumula runs ,the title field is null. Why? （）

• A、the value of one field cannot be set from the value in another field 
• B、the text string in the formula is set to null. Thus notes cannot validate the formula 
• C、when setting the value of a field , the formula must be in the field‟s input validation event 
• D、the formula does not specify that title is an existing field. Thus it is interpreted as a temporary variable 

第6题：

第7题：

Which of the following statements is NOT true?（）

• A、The open field system provided a good opportunity to experiment.
• B、The open field system wasted land.
• C、The open field system was wasteful of labor and time.
• D、The open field system made livestock farming difficult.

第8题：

第9题：

Which of the following is true about the MPLS header and its EXP field size？（）

• A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.
• B、The MPLS header is 1 byte，and the EXP field is 3 bits long.
• C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.
• D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.

第10题：

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 ...