prevent grounds in branch circuits
prevent opens in motor circuits
permit momentary overloads without melting
guard lighting and electronic circuits
第1题：
(iii) State how your answer in (ii) would differ if the sale were to be delayed until August 2006. (3 marks)
第2题：
A. being completed
B. to be completed
C. is completed
D. completed
第3题：
Free float is the amount of time that an activity may be delayed with out affecting the _____.
A.Early start of the succeeding activities.
B.Late start of the succeeding activities.
C.Project finish.
D.Cost of the project.
E.None of the above.
第4题：
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the
A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
第5题：
It is understood that the filming of Legends is almost complete and the film is not ____________ to be delayed.
A、possible
B、likely
C、easy
D、available
第6题：
To maintain a telephone conversation over the Internet. The voice packets must arrive at their destination in ()
A.a continuous stream
B.a burst stream
C.a delayed stream
D.a burst mode
第7题：
delayed-release preparations
第8题：
● Free float is the amount of time that an activity may be delayed with out affecting the _____.
A Early start of the succeeding activities.
B Late start of the succeeding activities.
C Project finish.
D Cost of the project.
E None of the above.
第9题：
A.main lighting circuits
B.motor starting circuits
C.emergency lighting circuit
D.general alarm circuits
第10题：
-Do you know why my flight has been delayed? _ It is () bad weather conditions.
A.because
B.due to
C.owing to
D.because of