[单项选择]You are building two forms. Each form has a button and a non-base table field. When the button is pressed, a complicated calculation is executed. The calculation is the same for both forms. The calculation code does not query or change the data in the database. When the calculation completes, it returns a single value to the non-base table field. To optimize performance and maintainability, which PL/SQL structure should be used? （）
A. A trigger in each form. 
B. A subprogram in each form. 
C. A stored subprogram in the database. 
D. A subprogram in a library that is attached to each form.

[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]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]Advertising is different from other forms of communication ______ the advertisers pay for the message to be delivered.
A. in order that
B. where
C. in that
D. in the way

[单项选择]How many different forms of communication are mentioned here ( )
A. 5.
B. 7.
C. 9.
D. 3.

[单项选择]Advertising is distinguished from other forms of communication _______ the advertiser pays for the message to be delivered.
A. in this way
B. in that
C. in which
D. in order to

[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]Many people prefer to have their tax forms completed by a professional rather than ______ it themselves.
A. doing
B. do
C. to do
D. did

[单项选择]The advanced life forms in nature are all symmetrical, instead of being ______ .
A. separated
B. disproportionate
C. mutable
D. imprecise

[单项选择]The newly free people adopt democratic forms of government______ all the goodies they see on TV will materialize instantly.
A. in order that
B. in case
C. in the belief that
D. even though

[判断题]Language is capable of producing new forms and meanings.（）

[多项选择]Which two forms of DSL connectivity provide the same bandwidth in both directions？（）
A. ADSL
B. HDSL
C. SDSL
D. RADSL

[判断题]Linguistic forms having the same sense may have different references in different situations while linguistic forms with the same reference always have the same sense.