Which types of portable fire extinguishers are designed for use on electrical fires?()
A.Dry chemical and carbon dioxide
B.Foam (stored pressure) and soda-acid
C.Carbon dioxide and foam (stored pressure)
D.Dry chemical and soda-acid
A.Dry chemical and carbon dioxide
B.Foam (stored pressure) and soda-acid
C.Carbon dioxide and foam (stored pressure)
D.Dry chemical and soda-acid
第1题
Port- is a combining form loaned from both Latin (“porta” means “gate”) and French (“porter” means “to carry”). Can you find out which of the following English words has the morpheme –port- in it that means “gate”?
A、Portable.
B、Transport.
C、Portal.
D、Passport.
第3题
A.Package and function
B.Function and userexit
C.Procedure and package
D.Function and procedure
第4题
Which of the following types of heavy metal music is believed NOT to be very wholesome?
A.Speed metal.
B.Death metal.
C.Thrash metal.
D.Light metal.
第5题
Which are not Java primitive types?
A.short B.Boolean
C.unit D.float
第6题
A.shortenings
B.broadings
C.acronyms
D.contractions
第7题
Which of the following is the best title of the article?
A.REM Sleep
B.Two Types of Sleep
C.Sleepers
D.What Happens to Sleepers
第9题
Which of the listed types of files is the best for producing a fine finish on metal?
A.Mill
B.Float
C.Warding
D.Second cut
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