It seems like every time we (), things are going up, especially fuel and supplies.
A、turn around
B、turn aside
C、turn away
D、turn out
第1题:
A、listening
B、writing
C、speaking
D、reading
第2题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第3题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第4题:
The three basic components of a fire are chain reaction, heat, fuel, and ____.
A.carbon monoxide
B.oxygen
C.carbon dioxide
D.any gaseous substance
第5题:
I am maintaining my course and speed.
A.changing
B.keeping
C.altering
D.going
第6题:
Category 2 fuel _____________________