()of them thinks that is a good idea
A、Anyone
B、No one
C、None
D、Someone
A、Anyone
B、No one
C、None
D、Someone
A、Remember: safety first. B、Mind. Safe the first. C、Think of it. Safety is one. D、Think of it. Safety first.
A、both of them are ignited by compressed air B、both of them are the forms of external combustion engines C、both of them have spark plugs D、the power is developed by the piston in the cylinder
A、Sorry,Ican’t remember her B、I never think of him C、It’s hard to say,actually D、No,I don’t believe it
A、A. makes them less fearful B、B. develops their power of memory C、C. makes them believe there is nothing to be afraid of D、D. encourages them not to have strange beliefs