Heat does not travel by convection in a solid, because the solid does not move, _____
A、so does a liquid
B、so a liquid does
C、so is a liquid
D、as does a liquid
A、so does a liquid
B、so a liquid does
C、so is a liquid
D、as does a liquid
第2题
A.Radiation
B.Conduction
C.Natural convection
D.contact directly
第5题
A.A fat female who studies hard.
B.A thin female who does not study.
C.A fat male who does not study.
D.A thin male who studies hard.
第8题
What does the author think of private space travel?
A.It is worth promoting despite the risks involved.
B.It should not be confined to the rich only.
C.It should be strictly regulated.
D.It is too risky to carry on.
第9题
A.When the nightclubs are closing
B.Eight o’clock in the morning
C.When the train is overcrowded
D.When people travel to and from work
第10题
A.It attracts more people to travel by train
B.It damages company-customer relations
C.It makes the company lose a lot of money
D.It protects honest ticket-paying passengers
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