更多"Which living things can use sun ene"的相关试题:
[单项选择]The energy gained from the sun can then be used during the night to enable the necessary chemical reactions to ______ in his body.
A. precede
B. proceed
C. progress
D. practice
[多项选择]Identify two situations in which you can use Data Recovery Advisor for recovery. （）(Choose two.)
A. The user has dropped an important table that needs to be recovered.
B. The database files are corrupted when the database is open.
C. You are not able to start up the database instance because the required database files are missing.
D. The archived log files are missing for which backup is not available.
[单项选择]Computers can do a lot of things, which ______ telling the time.
A. includes
B. is included
C. include
D. including
[单项选择]Which can be cited as an example of the use of money in exchange for services
A. To sell a bicycle for $ 20.
B. To get some money for old books at a garage sale.
C. To buy things you need or want.
D. To get paid for your work.
[单项选择]The energy produced by the sun ______.
A. is easy to store
B. poses similar problems to the other newer energy sources
C. poses very few problems
D. poses different problems from the other newer energy sources
[单项选择]For which action can you use the TO_DATE function?（）
A. Convert any date literal to a date
B. Convert any numeric literal to a date
C. Convert any character literal to a date
D. Convert any date to a character literal
E. Format '10-JAN-99' to 'January 10 1999'
[单项选择]Which of the following can save your energy in the morning
A. Getting up late.
B. Jumping out of bed as quickly as possible.
C. Looking for clean clothes.
D. Sitting for a while before getting out of bed.
[单项选择]Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?（）
A. Unique
B. Check
C. Referential
D. Informational
[单项选择]Which of the following database objects can be used to raise an error if a table is updated?（）
A. Package
B. Trigger
C. Stored Procedure
D. Informational Constraint
[多项选择]For which two actions can you use the TO_DATE function? （）
A. convert any date literal to a date
B. convert any numeric literal to a date
C. convert any date to a character literal
D. format 'January 10 1999' for input
E. format '10-JAN-99' to 'January 10 1999'
[单项选择]According to the author energy security can only be achieved by ______.
A. using less oil in power generation
B. replacing fossil fuels with more nuclear power
C. seeking energy self - sufficiency
D. expanding the sources of power supply
[单项选择]According to the author, energy security can only be achieved by ______.
A. using less oil in power generation
B. replacing fossil fuels with more nuclear power
C. seeking energy self sufficiency
D. expanding the sources of power supply
[单项选择]Which of the following can an operator use to shutdown a system into single-user mode?（）
A. shutdown -d
B. shutdown -s
C. shutdown -m
D. shutdown -Fr -s 1
[单项选择]Which is NOT mentioned about the factors which can influence the life span of freezers
A. Humidity.
B. Proper care.
C. The amount of storage.
D. Surrounding temperature.
